mirror of
https://github.com/denoland/deno.git
synced 2024-11-21 15:04:11 -05:00
866 lines
24 KiB
Rust
866 lines
24 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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use super::definitions::TestDefinition;
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use deno_ast::swc::ast;
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use deno_ast::swc::visit::Visit;
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use deno_ast::swc::visit::VisitWith;
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use deno_ast::SourceRange;
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use deno_ast::SourceRangedForSpanned;
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use deno_ast::SourceTextInfo;
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use deno_core::ModuleSpecifier;
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use std::collections::HashMap;
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use std::collections::HashSet;
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/// Parse an arrow expression for any test steps and return them.
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fn arrow_to_steps(
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parent: &str,
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level: usize,
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arrow_expr: &ast::ArrowExpr,
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) -> Vec<TestDefinition> {
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if let Some((maybe_test_context, maybe_step_var)) =
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parse_test_context_param(arrow_expr.params.get(0))
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{
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let mut collector = TestStepCollector::new(
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parent.to_string(),
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level,
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maybe_test_context,
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maybe_step_var,
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);
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arrow_expr.body.visit_with(&mut collector);
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collector.take()
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} else {
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vec![]
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}
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}
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/// Parse a function for any test steps and return them.
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fn fn_to_steps(
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parent: &str,
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level: usize,
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function: &ast::Function,
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) -> Vec<TestDefinition> {
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if let Some((maybe_test_context, maybe_step_var)) =
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parse_test_context_param(function.params.get(0).map(|p| &p.pat))
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{
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let mut collector = TestStepCollector::new(
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parent.to_string(),
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level,
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maybe_test_context,
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maybe_step_var,
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);
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function.body.visit_with(&mut collector);
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collector.take()
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} else {
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vec![]
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}
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}
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/// Parse a param of a test function for the test context binding, or any
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/// destructuring of a `steps` method from the test context.
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fn parse_test_context_param(
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param: Option<&ast::Pat>,
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) -> Option<(Option<String>, Option<String>)> {
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let mut maybe_test_context = None;
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let mut maybe_step_var = None;
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match param {
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// handles `(testContext)`
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Some(ast::Pat::Ident(binding_ident)) => {
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maybe_test_context = Some(binding_ident.id.sym.to_string());
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}
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Some(ast::Pat::Object(object_pattern)) => {
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for prop in &object_pattern.props {
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match prop {
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ast::ObjectPatProp::KeyValue(key_value_pat_prop) => {
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match &key_value_pat_prop.key {
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// handles `({ step: s })`
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ast::PropName::Ident(ident) => {
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if ident.sym.eq("step") {
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if let ast::Pat::Ident(ident) =
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key_value_pat_prop.value.as_ref()
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{
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maybe_step_var = Some(ident.id.sym.to_string());
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}
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break;
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}
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}
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// handles `({ "step": s })`
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ast::PropName::Str(string) => {
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if string.value.eq("step") {
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if let ast::Pat::Ident(ident) =
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key_value_pat_prop.value.as_ref()
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{
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maybe_step_var = Some(ident.id.sym.to_string());
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}
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break;
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}
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}
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_ => (),
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}
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}
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// handles `({ step = something })`
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ast::ObjectPatProp::Assign(assign_pat_prop)
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if assign_pat_prop.key.sym.eq("step") =>
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{
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maybe_step_var = Some("step".to_string());
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break;
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}
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// handles `({ ...ctx })`
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ast::ObjectPatProp::Rest(rest_pat) => {
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if let ast::Pat::Ident(ident) = rest_pat.arg.as_ref() {
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maybe_test_context = Some(ident.id.sym.to_string());
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}
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break;
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}
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_ => (),
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}
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}
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}
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_ => return None,
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}
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if maybe_test_context.is_none() && maybe_step_var.is_none() {
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None
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} else {
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Some((maybe_test_context, maybe_step_var))
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}
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}
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/// Check a call expression of a test or test step to determine the name of the
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/// test or test step as well as any sub steps.
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fn check_call_expr(
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parent: &str,
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node: &ast::CallExpr,
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level: usize,
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fns: Option<&HashMap<String, ast::Function>>,
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text_info: Option<&SourceTextInfo>,
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) -> Option<(String, Vec<TestDefinition>)> {
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if let Some(expr) = node.args.get(0).map(|es| es.expr.as_ref()) {
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match expr {
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ast::Expr::Object(obj_lit) => {
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let mut maybe_name = None;
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let mut steps = vec![];
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for prop in &obj_lit.props {
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if let ast::PropOrSpread::Prop(prop) = prop {
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match prop.as_ref() {
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ast::Prop::KeyValue(key_value_prop) => {
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if let ast::PropName::Ident(ast::Ident { sym, .. }) =
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&key_value_prop.key
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{
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match sym.to_string().as_str() {
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"name" => match key_value_prop.value.as_ref() {
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// matches string literals (e.g. "test name" or
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// 'test name')
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ast::Expr::Lit(ast::Lit::Str(lit_str)) => {
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maybe_name = Some(lit_str.value.to_string());
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}
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// matches template literals with only a single quasis
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// (e.g. `test name`)
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ast::Expr::Tpl(tpl) => {
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if tpl.quasis.len() == 1 {
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maybe_name = Some(tpl.quasis[0].raw.to_string());
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}
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}
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_ => (),
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},
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"fn" => match key_value_prop.value.as_ref() {
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ast::Expr::Arrow(arrow_expr) => {
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steps = arrow_to_steps(parent, level, arrow_expr);
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}
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ast::Expr::Fn(fn_expr) => {
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steps = fn_to_steps(parent, level, &fn_expr.function);
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}
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_ => (),
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},
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_ => (),
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}
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}
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}
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ast::Prop::Method(method_prop) => {
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steps = fn_to_steps(parent, level, &method_prop.function);
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}
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_ => (),
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}
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}
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}
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maybe_name.map(|name| (name, steps))
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}
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ast::Expr::Fn(fn_expr) => {
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if let Some(ast::Ident { sym, .. }) = fn_expr.ident.as_ref() {
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let name = sym.to_string();
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let steps = fn_to_steps(parent, level, &fn_expr.function);
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Some((name, steps))
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} else {
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None
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}
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}
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ast::Expr::Lit(ast::Lit::Str(lit_str)) => {
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let name = lit_str.value.to_string();
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let mut steps = vec![];
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match node.args.get(1).map(|es| es.expr.as_ref()) {
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Some(ast::Expr::Fn(fn_expr)) => {
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steps = fn_to_steps(parent, level, &fn_expr.function);
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}
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Some(ast::Expr::Arrow(arrow_expr)) => {
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steps = arrow_to_steps(parent, level, arrow_expr);
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}
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_ => (),
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}
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Some((name, steps))
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}
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ast::Expr::Tpl(tpl) => {
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if tpl.quasis.len() == 1 {
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let mut steps = vec![];
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match node.args.get(1).map(|es| es.expr.as_ref()) {
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Some(ast::Expr::Fn(fn_expr)) => {
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steps = fn_to_steps(parent, level, &fn_expr.function);
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}
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Some(ast::Expr::Arrow(arrow_expr)) => {
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steps = arrow_to_steps(parent, level, arrow_expr);
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}
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_ => (),
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}
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Some((tpl.quasis[0].raw.to_string(), steps))
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} else {
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None
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}
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}
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ast::Expr::Ident(ident) => {
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let name = ident.sym.to_string();
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fns.and_then(|fns| {
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fns
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.get(&name)
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.map(|fn_expr| (name, fn_to_steps(parent, level, fn_expr)))
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})
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}
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_ => {
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if let Some(text_info) = text_info {
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let range = node.range();
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let indexes = text_info.line_and_column_display(range.start);
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Some((
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format!("Test {}:{}", indexes.line_number, indexes.column_number),
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vec![],
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))
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} else {
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None
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}
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}
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}
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} else {
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None
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}
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}
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/// A structure which can be used to walk a branch of AST determining if the
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/// branch contains any testing steps.
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struct TestStepCollector {
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steps: Vec<TestDefinition>,
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level: usize,
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parent: String,
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maybe_test_context: Option<String>,
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vars: HashSet<String>,
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}
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impl TestStepCollector {
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fn new(
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parent: String,
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level: usize,
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maybe_test_context: Option<String>,
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maybe_step_var: Option<String>,
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) -> Self {
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let mut vars = HashSet::new();
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if let Some(var) = maybe_step_var {
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vars.insert(var);
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}
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Self {
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steps: Vec::default(),
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level,
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parent,
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maybe_test_context,
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vars,
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}
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}
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fn add_step<N: AsRef<str>>(
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&mut self,
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name: N,
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range: SourceRange,
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steps: Vec<TestDefinition>,
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) {
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let step = TestDefinition::new_step(
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name.as_ref().to_string(),
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range,
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self.parent.clone(),
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self.level,
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steps,
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);
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self.steps.push(step);
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}
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fn check_call_expr(&mut self, node: &ast::CallExpr, range: SourceRange) {
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if let Some((name, steps)) =
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check_call_expr(&self.parent, node, self.level + 1, None, None)
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{
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self.add_step(name, range, steps);
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}
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}
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/// Move out the test definitions
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pub fn take(self) -> Vec<TestDefinition> {
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self.steps
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}
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}
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impl Visit for TestStepCollector {
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fn visit_call_expr(&mut self, node: &ast::CallExpr) {
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if let ast::Callee::Expr(callee_expr) = &node.callee {
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match callee_expr.as_ref() {
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// Identify calls to identified variables
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ast::Expr::Ident(ident) => {
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if self.vars.contains(&ident.sym.to_string()) {
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self.check_call_expr(node, ident.range());
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}
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}
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// Identify calls to `test.step()`
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ast::Expr::Member(member_expr) => {
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if let Some(test_context) = &self.maybe_test_context {
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if let ast::MemberProp::Ident(ns_prop_ident) = &member_expr.prop {
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if ns_prop_ident.sym.eq("step") {
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if let ast::Expr::Ident(ident) = member_expr.obj.as_ref() {
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if ident.sym == *test_context {
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self.check_call_expr(node, ns_prop_ident.range());
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}
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}
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}
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}
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}
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}
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_ => (),
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}
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}
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}
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fn visit_var_decl(&mut self, node: &ast::VarDecl) {
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if let Some(test_context) = &self.maybe_test_context {
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for decl in &node.decls {
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if let Some(init) = &decl.init {
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match init.as_ref() {
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// Identify destructured assignments of `step` from test context
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ast::Expr::Ident(ident) => {
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if ident.sym == *test_context {
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if let ast::Pat::Object(object_pat) = &decl.name {
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for prop in &object_pat.props {
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match prop {
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ast::ObjectPatProp::Assign(prop) => {
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if prop.key.sym.eq("step") {
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self.vars.insert(prop.key.sym.to_string());
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}
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}
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ast::ObjectPatProp::KeyValue(prop) => {
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if let ast::PropName::Ident(key_ident) = &prop.key {
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if key_ident.sym.eq("step") {
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if let ast::Pat::Ident(value_ident) =
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&prop.value.as_ref()
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{
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self.vars.insert(value_ident.id.sym.to_string());
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}
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}
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}
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}
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_ => (),
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}
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}
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}
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}
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}
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// Identify variable assignments where the init is test context
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// `.step`
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ast::Expr::Member(member_expr) => {
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if let ast::Expr::Ident(obj_ident) = member_expr.obj.as_ref() {
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if obj_ident.sym == *test_context {
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if let ast::MemberProp::Ident(prop_ident) = &member_expr.prop
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{
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if prop_ident.sym.eq("step") {
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if let ast::Pat::Ident(binding_ident) = &decl.name {
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self.vars.insert(binding_ident.id.sym.to_string());
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}
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}
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}
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}
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}
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}
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_ => (),
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}
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}
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}
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}
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}
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}
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/// Walk an AST and determine if it contains any `Deno.test` tests.
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pub struct TestCollector {
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definitions: Vec<TestDefinition>,
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specifier: ModuleSpecifier,
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vars: HashSet<String>,
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fns: HashMap<String, ast::Function>,
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text_info: SourceTextInfo,
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}
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impl TestCollector {
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pub fn new(specifier: ModuleSpecifier, text_info: SourceTextInfo) -> Self {
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Self {
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definitions: Vec::new(),
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specifier,
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vars: HashSet::new(),
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fns: HashMap::new(),
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text_info,
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}
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}
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fn add_definition<N: AsRef<str>>(
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&mut self,
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name: N,
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range: SourceRange,
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steps: Vec<TestDefinition>,
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) {
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let definition = TestDefinition::new(
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&self.specifier,
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name.as_ref().to_string(),
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range,
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steps,
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);
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self.definitions.push(definition);
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}
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fn check_call_expr(&mut self, node: &ast::CallExpr, range: SourceRange) {
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if let Some((name, steps)) = check_call_expr(
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self.specifier.as_str(),
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node,
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1,
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Some(&self.fns),
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Some(&self.text_info),
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) {
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self.add_definition(name, range, steps);
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}
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}
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/// Move out the test definitions
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pub fn take(self) -> Vec<TestDefinition> {
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self.definitions
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}
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}
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impl Visit for TestCollector {
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fn visit_call_expr(&mut self, node: &ast::CallExpr) {
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if let ast::Callee::Expr(callee_expr) = &node.callee {
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match callee_expr.as_ref() {
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ast::Expr::Ident(ident) => {
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if self.vars.contains(&ident.sym.to_string()) {
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self.check_call_expr(node, ident.range());
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}
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}
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ast::Expr::Member(member_expr) => {
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if let ast::MemberProp::Ident(ns_prop_ident) = &member_expr.prop {
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if ns_prop_ident.sym.to_string() == "test" {
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if let ast::Expr::Ident(ident) = member_expr.obj.as_ref() {
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if ident.sym.to_string() == "Deno" {
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self.check_call_expr(node, ns_prop_ident.range());
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}
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}
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}
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}
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}
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_ => (),
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}
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}
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}
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fn visit_var_decl(&mut self, node: &ast::VarDecl) {
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for decl in &node.decls {
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if let Some(init) = &decl.init {
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match init.as_ref() {
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// Identify destructured assignments of `test` from `Deno`
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ast::Expr::Ident(ident) => {
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if ident.sym.to_string() == "Deno" {
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if let ast::Pat::Object(object_pat) = &decl.name {
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for prop in &object_pat.props {
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match prop {
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ast::ObjectPatProp::Assign(prop) => {
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let name = prop.key.sym.to_string();
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if name == "test" {
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self.vars.insert(name);
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}
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}
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ast::ObjectPatProp::KeyValue(prop) => {
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if let ast::PropName::Ident(key_ident) = &prop.key {
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if key_ident.sym.to_string() == "test" {
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if let ast::Pat::Ident(value_ident) =
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&prop.value.as_ref()
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{
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self.vars.insert(value_ident.id.sym.to_string());
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}
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}
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}
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}
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_ => (),
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}
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}
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}
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}
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}
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// Identify variable assignments where the init is `Deno.test`
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ast::Expr::Member(member_expr) => {
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if let ast::Expr::Ident(obj_ident) = member_expr.obj.as_ref() {
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if obj_ident.sym.to_string() == "Deno" {
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if let ast::MemberProp::Ident(prop_ident) = &member_expr.prop {
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if prop_ident.sym.to_string() == "test" {
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if let ast::Pat::Ident(binding_ident) = &decl.name {
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self.vars.insert(binding_ident.id.sym.to_string());
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}
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}
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}
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}
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}
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}
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_ => (),
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}
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}
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}
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}
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|
|
fn visit_fn_decl(&mut self, n: &ast::FnDecl) {
|
|
self
|
|
.fns
|
|
.insert(n.ident.sym.to_string(), *n.function.clone());
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
pub mod tests {
|
|
use super::*;
|
|
use deno_ast::StartSourcePos;
|
|
use deno_core::resolve_url;
|
|
|
|
pub fn new_range(start: usize, end: usize) -> SourceRange {
|
|
SourceRange::new(
|
|
StartSourcePos::START_SOURCE_POS + start,
|
|
StartSourcePos::START_SOURCE_POS + end,
|
|
)
|
|
}
|
|
|
|
fn collect(source: &str) -> Vec<TestDefinition> {
|
|
let specifier = resolve_url("file:///a/example.ts").unwrap();
|
|
|
|
let parsed_module = deno_ast::parse_module(deno_ast::ParseParams {
|
|
specifier: specifier.to_string(),
|
|
text_info: deno_ast::SourceTextInfo::new(source.into()),
|
|
media_type: deno_ast::MediaType::TypeScript,
|
|
capture_tokens: true,
|
|
scope_analysis: true,
|
|
maybe_syntax: None,
|
|
})
|
|
.unwrap();
|
|
let text_info = parsed_module.text_info().clone();
|
|
let mut collector = TestCollector::new(specifier, text_info);
|
|
parsed_module.module().visit_with(&mut collector);
|
|
collector.take()
|
|
}
|
|
|
|
#[test]
|
|
fn test_test_collector_test() {
|
|
let res = collect(
|
|
r#"
|
|
Deno.test("test", () => {});
|
|
"#,
|
|
);
|
|
|
|
assert_eq!(
|
|
res,
|
|
vec![TestDefinition {
|
|
id: "4ebb361c93f76a0f1bac300638675609f1cf481e6f3b9006c3c98604b3a184e9"
|
|
.to_string(),
|
|
level: 0,
|
|
name: "test".to_string(),
|
|
range: new_range(12, 16),
|
|
steps: vec![],
|
|
},]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_test_collector_test_tpl() {
|
|
let res = collect(
|
|
r#"
|
|
Deno.test(`test`, () => {});
|
|
"#,
|
|
);
|
|
|
|
assert_eq!(
|
|
res,
|
|
vec![TestDefinition {
|
|
id: "4ebb361c93f76a0f1bac300638675609f1cf481e6f3b9006c3c98604b3a184e9"
|
|
.to_string(),
|
|
level: 0,
|
|
name: "test".to_string(),
|
|
range: new_range(12, 16),
|
|
steps: vec![],
|
|
},]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_test_collector_a() {
|
|
let res = collect(
|
|
r#"
|
|
Deno.test({
|
|
name: "test",
|
|
async fn(t) {
|
|
await t.step("step", ({ step }) => {
|
|
await step({
|
|
name: "sub step",
|
|
fn() {}
|
|
})
|
|
});
|
|
}
|
|
});
|
|
"#,
|
|
);
|
|
|
|
assert_eq!(
|
|
res,
|
|
vec![TestDefinition {
|
|
id: "4ebb361c93f76a0f1bac300638675609f1cf481e6f3b9006c3c98604b3a184e9"
|
|
.to_string(),
|
|
level: 0,
|
|
name: "test".to_string(),
|
|
range: new_range(12, 16),
|
|
steps: vec![TestDefinition {
|
|
id:
|
|
"b3b2daad49e5c3095fe26aba0a840131f3d8f32e105e95507f5fc5118642b059"
|
|
.to_string(),
|
|
level: 1,
|
|
name: "step".to_string(),
|
|
range: new_range(81, 85),
|
|
steps: vec![TestDefinition {
|
|
id:
|
|
"abf356f59139b77574089615f896a6f501c010985d95b8a93abeb0069ccb2201"
|
|
.to_string(),
|
|
level: 2,
|
|
name: "sub step".to_string(),
|
|
range: new_range(128, 132),
|
|
steps: vec![],
|
|
}]
|
|
}],
|
|
},]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_test_collector_a_tpl() {
|
|
let res = collect(
|
|
r#"
|
|
Deno.test({
|
|
name: `test`,
|
|
async fn(t) {
|
|
await t.step(`step`, ({ step }) => {
|
|
await step({
|
|
name: `sub step`,
|
|
fn() {}
|
|
})
|
|
});
|
|
}
|
|
});
|
|
"#,
|
|
);
|
|
|
|
assert_eq!(
|
|
res,
|
|
vec![TestDefinition {
|
|
id: "4ebb361c93f76a0f1bac300638675609f1cf481e6f3b9006c3c98604b3a184e9"
|
|
.to_string(),
|
|
level: 0,
|
|
name: "test".to_string(),
|
|
range: new_range(12, 16),
|
|
steps: vec![TestDefinition {
|
|
id:
|
|
"b3b2daad49e5c3095fe26aba0a840131f3d8f32e105e95507f5fc5118642b059"
|
|
.to_string(),
|
|
level: 1,
|
|
name: "step".to_string(),
|
|
range: new_range(81, 85),
|
|
steps: vec![TestDefinition {
|
|
id:
|
|
"abf356f59139b77574089615f896a6f501c010985d95b8a93abeb0069ccb2201"
|
|
.to_string(),
|
|
level: 2,
|
|
name: "sub step".to_string(),
|
|
range: new_range(128, 132),
|
|
steps: vec![],
|
|
}]
|
|
}],
|
|
},]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_test_collector_destructure() {
|
|
let res = collect(
|
|
r#"
|
|
const { test } = Deno;
|
|
test("test", () => {});
|
|
"#,
|
|
);
|
|
|
|
assert_eq!(
|
|
res,
|
|
vec![TestDefinition {
|
|
id: "4ebb361c93f76a0f1bac300638675609f1cf481e6f3b9006c3c98604b3a184e9"
|
|
.to_string(),
|
|
level: 0,
|
|
name: "test".to_string(),
|
|
range: new_range(36, 40),
|
|
steps: vec![],
|
|
}]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_test_collector_destructure_rebind_step() {
|
|
let res = collect(
|
|
r#"
|
|
Deno.test(async function useFnName({ step: s }) {
|
|
await s("step", () => {});
|
|
});
|
|
"#,
|
|
);
|
|
|
|
assert_eq!(
|
|
res,
|
|
vec![TestDefinition {
|
|
id: "86b4c821900e38fc89f24bceb0e45193608ab3f9d2a6019c7b6a5aceff5d7df2"
|
|
.to_string(),
|
|
level: 0,
|
|
name: "useFnName".to_string(),
|
|
range: new_range(12, 16),
|
|
steps: vec![TestDefinition {
|
|
id:
|
|
"b3b2daad49e5c3095fe26aba0a840131f3d8f32e105e95507f5fc5118642b059"
|
|
.to_string(),
|
|
level: 1,
|
|
name: "step".to_string(),
|
|
range: new_range(71, 72),
|
|
steps: vec![],
|
|
}],
|
|
}]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_test_collector_rebind() {
|
|
let res = collect(
|
|
r#"
|
|
const t = Deno.test;
|
|
t("test", () => {});
|
|
"#,
|
|
);
|
|
|
|
assert_eq!(
|
|
res,
|
|
vec![TestDefinition {
|
|
id: "4ebb361c93f76a0f1bac300638675609f1cf481e6f3b9006c3c98604b3a184e9"
|
|
.to_string(),
|
|
level: 0,
|
|
name: "test".to_string(),
|
|
range: new_range(34, 35),
|
|
steps: vec![],
|
|
}]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_test_collector_separate_test_function_with_string_name() {
|
|
let res = collect(
|
|
r#"
|
|
function someFunction() {}
|
|
Deno.test("test", someFunction);
|
|
"#,
|
|
);
|
|
|
|
assert_eq!(
|
|
res,
|
|
vec![TestDefinition {
|
|
id: "4ebb361c93f76a0f1bac300638675609f1cf481e6f3b9006c3c98604b3a184e9"
|
|
.to_string(),
|
|
level: 0,
|
|
name: "test".to_string(),
|
|
range: new_range(45, 49),
|
|
steps: vec![],
|
|
}]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_test_collector_function_only() {
|
|
let res = collect(
|
|
r#"
|
|
Deno.test(async function someFunction() {});
|
|
"#,
|
|
);
|
|
|
|
assert_eq!(
|
|
res,
|
|
vec![TestDefinition {
|
|
id: "e0f6a73647b763f82176c98a019e54200b799a32007f9859fb782aaa9e308568"
|
|
.to_string(),
|
|
level: 0,
|
|
name: "someFunction".to_string(),
|
|
range: new_range(12, 16),
|
|
steps: vec![]
|
|
}]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_test_collector_separate_test_function() {
|
|
let res = collect(
|
|
r#"
|
|
async function someFunction() {}
|
|
Deno.test(someFunction);
|
|
"#,
|
|
);
|
|
|
|
assert_eq!(
|
|
res,
|
|
vec![TestDefinition {
|
|
id: "e0f6a73647b763f82176c98a019e54200b799a32007f9859fb782aaa9e308568"
|
|
.to_string(),
|
|
level: 0,
|
|
name: "someFunction".to_string(),
|
|
range: new_range(51, 55),
|
|
steps: vec![]
|
|
}]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_test_collector_unknown_test() {
|
|
let res = collect(
|
|
r#"
|
|
const someFunction = () => ({ name: "test", fn: () => {} });
|
|
Deno.test(someFunction());
|
|
"#,
|
|
);
|
|
|
|
assert_eq!(
|
|
res,
|
|
vec![TestDefinition {
|
|
id: "6d05d6dc35548b86a1e70acaf24a5bc2dd35db686b35b685ad5931d201b4a918"
|
|
.to_string(),
|
|
level: 0,
|
|
name: "Test 3:7".to_string(),
|
|
range: new_range(79, 83),
|
|
steps: vec![]
|
|
}]
|
|
);
|
|
}
|
|
}
|