// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license. use test_util as util; use test_util::assert_contains; use test_util::assert_ends_with; use test_util::assert_not_contains; #[test] fn pty_multiline() { util::with_pty(&["repl"], |mut console| { console.write_line("(\n1 + 2\n)"); console.write_line("{\nfoo: \"foo\"\n}"); console.write_line("`\nfoo\n`"); console.write_line("`\n\\`\n`"); console.write_line("'{'"); console.write_line("'('"); console.write_line("'['"); console.write_line("/{/"); console.write_line("/\\(/"); console.write_line("/\\[/"); console.write_line("console.log(\"{test1} abc {test2} def {{test3}}\".match(/{([^{].+?)}/));"); console.write_line("close();"); let output = console.read_all_output(); assert_contains!(output, '3'); assert_contains!(output, "{ foo: \"foo\" }"); assert_contains!(output, "\"\\nfoo\\n\""); assert_contains!(output, "\"\\n`\\n\""); assert_contains!(output, "\"{\""); assert_contains!(output, "\"(\""); assert_contains!(output, "\"[\""); assert_contains!(output, "/{/"); assert_contains!(output, "/\\(/"); assert_contains!(output, "/\\[/"); assert_contains!(output, "[ \"{test1}\", \"test1\" ]"); }); } #[test] fn pty_null() { util::with_pty(&["repl"], |mut console| { console.write_line("null"); console.write_line("close();"); let output = console.read_all_output(); assert_contains!(output, "null"); }); } #[test] fn pty_unpaired_braces() { for right_brace in &[")", "]", "}"] { util::with_pty(&["repl"], |mut console| { console.write_line(right_brace); console.write_line("close();"); let output = console.read_all_output(); assert_contains!(output, "Expression expected"); }); } } #[test] fn pty_bad_input() { util::with_pty(&["repl"], |mut console| { console.write_line("'\\u{1f3b5}'[0]"); console.write_line("close();"); let output = console.read_all_output(); assert_contains!(output, "Unterminated string literal"); }); } #[test] fn pty_syntax_error_input() { util::with_pty(&["repl"], |mut console| { console.write_line("('\\u')"); console.write_line("'"); console.write_line("[{'a'}];"); console.write_line("close();"); let output = console.read_all_output(); assert_contains!( output, "Bad character escape sequence, expected 4 hex characters" ); assert_contains!(output, "Unterminated string constant"); assert_contains!(output, "Expected a semicolon"); }); } #[test] fn pty_complete_symbol() { util::with_pty(&["repl"], |mut console| { console.write_line("Symbol.it\t"); console.write_line("close();"); let output = console.read_all_output(); assert_contains!(output, "Symbol(Symbol.iterator)"); }); } #[test] fn pty_complete_declarations() { util::with_pty(&["repl"], |mut console| { console.write_line("class MyClass {}"); console.write_line("My\t"); console.write_line("let myVar;"); console.write_line("myV\t"); console.write_line("close();"); let output = console.read_all_output(); assert_contains!(output, "> MyClass"); assert_contains!(output, "> myVar"); }); } #[test] fn pty_complete_primitives() { util::with_pty(&["repl"], |mut console| { console.write_line("let func = function test(){}"); console.write_line("func.appl\t"); console.write_line("let str = ''"); console.write_line("str.leng\t"); console.write_line("false.valueO\t"); console.write_line("5n.valueO\t"); console.write_line("let num = 5"); console.write_line("num.toStrin\t"); console.write_line("close();"); let output = console.read_all_output(); assert_contains!(output, "> func.apply"); assert_contains!(output, "> str.length"); assert_contains!(output, "> 5n.valueOf"); assert_contains!(output, "> false.valueOf"); assert_contains!(output, "> num.toString"); }); } #[test] fn pty_complete_expression() { util::with_pty(&["repl"], |mut console| { console.write_text("Deno.\t\t"); console.write_text("y"); console.write_line(""); console.write_line("close();"); let output = console.read_all_output(); assert_contains!(output, "Display all"); assert_contains!(output, "core"); assert_contains!(output, "args"); assert_contains!(output, "exit"); assert_contains!(output, "symlink"); assert_contains!(output, "permissions"); }); } #[test] fn pty_complete_imports() { util::with_pty(&["repl", "-A"], |mut console| { // single quotes console.write_line("import './run/001_hel\t'"); // double quotes console.write_line("import { output } from \"./run/045_out\t\""); console.write_line("output('testing output');"); console.write_line("close();"); let output = console.read_all_output(); assert_contains!(output, "Hello World"); assert_contains!( output, // on windows, could any (it's flaky) "\ntesting output", "testing output\u{1b}", "\r\n\u{1b}[?25htesting output", ); }); // ensure when the directory changes that the suggestions come from the cwd util::with_pty(&["repl", "-A"], |mut console| { console.write_line("Deno.chdir('./subdir');"); console.write_line("import '../run/001_hel\t'"); console.write_line("close();"); let output = console.read_all_output(); assert_contains!(output, "Hello World"); }); } #[test] fn pty_complete_imports_no_panic_empty_specifier() { // does not panic when tabbing when empty util::with_pty(&["repl"], |mut console| { console.write_line("import '\t';"); console.write_line("close();"); }); } #[test] fn pty_ignore_symbols() { util::with_pty(&["repl"], |mut console| { console.write_line("Array.Symbol\t"); console.write_line("close();"); let output = console.read_all_output(); assert_contains!(output, "undefined"); assert_not_contains!( output, "Uncaught TypeError: Array.Symbol is not a function" ); }); } #[test] fn pty_assign_global_this() { util::with_pty(&["repl"], |mut console| { console.write_line("globalThis = 42;"); console.write_line("close();"); let output = console.read_all_output(); assert_not_contains!(output, "panicked"); }); } #[test] fn pty_emoji() { // windows was having issues displaying this util::with_pty(&["repl"], |mut console| { console.write_line(r#"console.log('\u{1F995}');"#); console.write_line("close();"); let output = console.read_all_output(); // only one for the output (since input is escaped) let emoji_count = output.chars().filter(|c| *c == '🦕').count(); assert_eq!(emoji_count, 1); }); } #[test] fn console_log() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["console.log('hello')", "'world'"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "hello\nundefined\n\"world\"\n"); assert!(err.is_empty()); } #[test] fn object_literal() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["{}", "{ foo: 'bar' }"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "{}\n{ foo: \"bar\" }\n"); assert!(err.is_empty()); } #[test] fn block_expression() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["{};", "{\"\"}"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "undefined\n\"\"\n"); assert!(err.is_empty()); } #[test] fn await_resolve() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["await Promise.resolve('done')"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "\"done\"\n"); assert!(err.is_empty()); } #[test] fn await_timeout() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["await new Promise((r) => setTimeout(r, 0, 'done'))"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "\"done\"\n"); assert!(err.is_empty()); } #[test] fn let_redeclaration() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["let foo = 0;", "foo", "let foo = 1;", "foo"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "undefined\n0\nundefined\n1\n"); assert!(err.is_empty()); } #[test] fn repl_cwd() { let (_out, err) = util::run_and_collect_output( true, "repl", Some(vec!["Deno.cwd()"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert!(err.is_empty()); } #[test] fn typescript() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec![ "function add(a: number, b: number) { return a + b }", "const result: number = add(1, 2) as number;", "result", ]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "undefined\nundefined\n3\n"); assert!(err.is_empty()); } #[test] fn typescript_declarations() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec![ "namespace Test { export enum Values { A, B, C } }", "Test.Values.A", "Test.Values.C", "interface MyInterface { prop: string; }", "type MyTypeAlias = string;", ]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); let expected_end_text = "undefined\n0\n2\nundefined\nundefined\n"; assert_ends_with!(out, expected_end_text); assert!(err.is_empty()); } #[test] fn typescript_decorators() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec![ "function dec(target) { target.prototype.test = () => 2; }", "@dec class Test {}", "new Test().test()", ]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "undefined\n[Function: Test]\n2\n"); assert!(err.is_empty()); } #[test] fn eof() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["1 + 2"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "3\n"); assert!(err.is_empty()); } #[test] fn strict() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec![ "let a = {};", "Object.preventExtensions(a);", "a.c = 1;", ]), None, false, ); assert_contains!( out, "Uncaught TypeError: Cannot add property c, object is not extensible" ); assert!(err.is_empty()); } #[test] fn close_command() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["close()", "'ignored'"]), None, false, ); assert_not_contains!(out, "ignored"); assert!(err.is_empty()); } #[test] fn function() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["Deno.writeFileSync"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "[Function: writeFileSync]\n"); assert!(err.is_empty()); } #[test] #[ignore] fn multiline() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["(\n1 + 2\n)"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "3\n"); assert!(err.is_empty()); } #[test] fn import() { let (out, _) = util::run_and_collect_output_with_args( true, vec![], Some(vec!["import('./subdir/auto_print_hello.ts')"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_contains!(out, "hello!\n"); } #[test] fn import_declarations() { let (out, _) = util::run_and_collect_output_with_args( true, vec!["repl", "--allow-read"], Some(vec!["import './subdir/auto_print_hello.ts';"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_contains!(out, "hello!\n"); } #[test] fn exports_stripped() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["export default 5;", "export class Test {}"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_contains!(out, "5\n"); assert!(err.is_empty()); } #[test] fn call_eval_unterminated() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["eval('{')"]), None, false, ); assert_contains!(out, "Unexpected end of input"); assert!(err.is_empty()); } #[test] fn unpaired_braces() { for right_brace in &[")", "]", "}"] { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec![right_brace]), None, false, ); assert_contains!(out, "Expression expected"); assert!(err.is_empty()); } } #[test] fn reference_error() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["not_a_variable"]), None, false, ); assert_contains!(out, "not_a_variable is not defined"); assert!(err.is_empty()); } #[test] fn syntax_error() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec![ "syntax error", "2", // ensure it keeps accepting input after ]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "parse error: Expected ';', '}' or at 1:8\n2\n"); assert!(err.is_empty()); } #[test] fn syntax_error_jsx() { // JSX is not supported in the REPL let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["const element =
;"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_contains!(out, "Expression expected"); assert!(err.is_empty()); } #[test] fn type_error() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["console()"]), None, false, ); assert_contains!(out, "console is not a function"); assert!(err.is_empty()); } #[test] fn variable() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["var a = 123;", "a"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "undefined\n123\n"); assert!(err.is_empty()); } #[test] fn lexical_scoped_variable() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["let a = 123;", "a"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "undefined\n123\n"); assert!(err.is_empty()); } #[test] fn missing_deno_dir() { use std::fs::read_dir; use std::fs::remove_dir_all; const DENO_DIR: &str = "nonexistent"; let test_deno_dir = test_util::testdata_path().join(DENO_DIR); let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["1"]), Some(vec![ ("DENO_DIR".to_owned(), DENO_DIR.to_owned()), ("NO_COLOR".to_owned(), "1".to_owned()), ]), false, ); assert!(read_dir(&test_deno_dir).is_ok()); remove_dir_all(&test_deno_dir).unwrap(); assert_ends_with!(out, "1\n"); assert!(err.is_empty()); } #[test] fn save_last_eval() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["1", "_"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "1\n1\n"); assert!(err.is_empty()); } #[test] fn save_last_thrown() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["throw 1", "_error"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!(out, "Uncaught 1\n1\n"); assert!(err.is_empty()); } #[test] fn assign_underscore() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["_ = 1", "2", "_"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_ends_with!( out, "Last evaluation result is no longer saved to _.\n1\n2\n1\n" ); assert!(err.is_empty()); } #[test] fn assign_underscore_error() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["_error = 1", "throw 2", "_error"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); println!("{out}"); assert_ends_with!( out, "Last thrown error is no longer saved to _error.\n1\nUncaught 2\n1\n" ); assert!(err.is_empty()); } #[test] fn custom_inspect() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec![ r#"const o = { [Symbol.for("Deno.customInspect")]() { throw new Error('Oops custom inspect error'); }, };"#, "o", ]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_contains!(out, "Oops custom inspect error"); assert!(err.is_empty()); } #[test] fn eval_flag_valid_input() { let (out, err) = util::run_and_collect_output_with_args( true, vec!["repl", "--eval", "const t = 10;"], Some(vec!["t * 500;"]), None, false, ); assert_contains!(out, "5000"); assert!(err.is_empty()); } #[test] fn eval_flag_parse_error() { let (out, err) = util::run_and_collect_output_with_args( true, vec!["repl", "--eval", "const %"], Some(vec!["250 * 10"]), None, false, ); assert_contains!( test_util::strip_ansi_codes(&out), "Error in --eval flag: parse error: Unexpected token `%`." ); assert_contains!(out, "2500"); // should not prevent input assert!(err.is_empty()); } #[test] fn eval_flag_runtime_error() { let (out, err) = util::run_and_collect_output_with_args( true, vec!["repl", "--eval", "throw new Error('Testing')"], Some(vec!["250 * 10"]), None, false, ); assert_contains!(out, "Error in --eval flag: Uncaught Error: Testing"); assert_contains!(out, "2500"); // should not prevent input assert!(err.is_empty()); } #[test] fn eval_file_flag_valid_input() { let (out, err) = util::run_and_collect_output_with_args( true, vec!["repl", "--eval-file=./run/001_hello.js"], None, None, false, ); assert_contains!(out, "Hello World"); assert!(err.is_empty()); } #[test] fn eval_file_flag_call_defined_function() { let (out, err) = util::run_and_collect_output_with_args( true, vec!["repl", "--eval-file=./tsc/d.ts"], Some(vec!["v4()"]), None, false, ); assert_contains!(out, "hello"); assert!(err.is_empty()); } #[test] fn eval_file_flag_http_input() { let (out, err) = util::run_and_collect_output_with_args( true, vec!["repl", "--eval-file=http://127.0.0.1:4545/tsc/d.ts"], Some(vec!["v4()"]), None, true, ); assert_contains!(out, "hello"); assert!(err.contains("Download")); } #[test] fn eval_file_flag_multiple_files() { let (out, err) = util::run_and_collect_output_with_args( true, vec!["repl", "--allow-read", "--eval-file=http://127.0.0.1:4545/repl/import_type.ts,./tsc/d.ts,http://127.0.0.1:4545/type_definitions/foo.js"], Some(vec!["b.method1=v4", "b.method1()+foo.toUpperCase()"]), None, true, ); assert_contains!(out, "helloFOO"); assert_contains!(err, "Download"); } #[test] fn pty_clear_function() { util::with_pty(&["repl"], |mut console| { console.write_line("console.log('hello');"); console.write_line("clear();"); console.write_line("const clear = 1234 + 2000;"); console.write_line("clear;"); console.write_line("close();"); let output = console.read_all_output(); if cfg!(windows) { // Windows will overwrite what's in the console buffer before // we read from it. It contains this string repeated many times // to clear the screen. assert_contains!(output, "\r\n\u{1b}[K\r\n\u{1b}[K\r\n\u{1b}[K"); } else { assert_contains!(output, "hello"); assert_contains!(output, "[1;1H"); } assert_contains!(output, "undefined"); assert_contains!(output, "const clear = 1234 + 2000;"); assert_contains!(output, "3234"); }); } #[test] fn pty_tab_handler() { // If the last character is **not** whitespace, we show the completions util::with_pty(&["repl"], |mut console| { console.write_line("a\t\t"); console.write_line("close();"); let output = console.read_all_output(); assert_contains!(output, "addEventListener"); assert_contains!(output, "alert"); assert_contains!(output, "atob"); }); // If the last character is whitespace, we just insert a tab util::with_pty(&["repl"], |mut console| { console.write_line("a; \t\t"); // last character is whitespace console.write_line("close();"); let output = console.read_all_output(); assert_not_contains!(output, "addEventListener"); assert_not_contains!(output, "alert"); assert_not_contains!(output, "atob"); }); } #[test] fn repl_report_error() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec![ r#"console.log(1); reportError(new Error("foo")); console.log(2);"#, ]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); // TODO(nayeemrmn): The REPL should report event errors and rejections. assert_contains!(out, "1\n2\nundefined\n"); assert!(err.is_empty()); } #[test] fn pty_aggregate_error() { let (out, err) = util::run_and_collect_output( true, "repl", Some(vec!["await Promise.any([])"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert_contains!(out, "AggregateError"); assert!(err.is_empty()); } #[test] fn repl_with_quiet_flag() { let (out, err) = util::run_and_collect_output_with_args( true, vec!["repl", "--quiet"], Some(vec!["await Promise.resolve('done')"]), Some(vec![("NO_COLOR".to_owned(), "1".to_owned())]), false, ); assert!(!out.contains("Deno")); assert!(!out.contains("exit using ctrl+d, ctrl+c, or close()")); assert_ends_with!(out, "\"done\"\n"); assert!(err.is_empty()); } #[test] fn npm_packages() { let mut env_vars = util::env_vars_for_npm_tests(); env_vars.push(("NO_COLOR".to_owned(), "1".to_owned())); { let (out, err) = util::run_and_collect_output_with_args( true, vec!["repl", "--quiet", "--allow-read", "--allow-env"], Some(vec![ r#"import chalk from "npm:chalk";"#, "chalk.red('hel' + 'lo')", ]), Some(env_vars.clone()), true, ); assert_contains!(out, "hello"); assert!(err.is_empty()); } { let (out, err) = util::run_and_collect_output_with_args( true, vec!["repl", "--quiet", "--allow-read", "--allow-env"], Some(vec![ r#"const chalk = await import("npm:chalk");"#, "chalk.default.red('hel' + 'lo')", ]), Some(env_vars.clone()), true, ); assert_contains!(out, "hello"); assert!(err.is_empty()); } { let (out, err) = util::run_and_collect_output_with_args( true, vec!["repl", "--quiet", "--allow-read", "--allow-env"], Some(vec![r#"export {} from "npm:chalk";"#]), Some(env_vars.clone()), true, ); assert_contains!(out, "Module {"); assert_contains!(out, "Chalk: [Function: Chalk],"); assert!(err.is_empty()); } { let (out, err) = util::run_and_collect_output_with_args( true, vec!["repl", "--quiet", "--allow-read", "--allow-env"], Some(vec![r#"import foo from "npm:asdfawe52345asdf""#]), Some(env_vars), true, ); assert_contains!( out, "error: npm package 'asdfawe52345asdf' does not exist" ); assert!(err.is_empty()); } }