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Code Issues Packages 1 Wiki Activity

stream output of js unit tests (#4146)

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Bartek Iwańczuk 2020-02-26 20:33:18 +01:00 committed by GitHub
parent 671f0b83be
commit 9adcdabd65
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2 changed files with 15 additions and 16 deletions
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27
cli/js/test_util.ts
View file

@ -7,6 +7,7 @@
// tests by the special string. permW1N0 means allow-write but not allow-net.
// See tools/unit_tests.py for more details.
import { readLines } from "../../std/io/bufio.ts";
import { assert, assertEquals } from "../../std/testing/asserts.ts";
export {
assert,
@ -140,16 +141,13 @@ function extractNumber(re: RegExp, str: string): number | undefined {
}
}
export function parseUnitTestOutput(
rawOutput: Uint8Array,
export async function parseUnitTestOutput(
reader: Deno.Reader,
print: boolean
): { actual?: number; expected?: number; resultOutput?: string } {
const decoder = new TextDecoder();
const output = decoder.decode(rawOutput);
): Promise<{ actual?: number; expected?: number; resultOutput?: string }> {
let expected, actual, result;
for (const line of output.split("\n")) {
for await (const line of readLines(reader)) {
if (!expected) {
// expect "running 30 tests"
expected = extractNumber(/running (\d+) tests/, line);
@ -267,31 +265,32 @@ testPerm({ read: true }, async function parsingUnitTestOutput(): Promise<void> {
let result;
// This is an example of a successful unit test output.
result = parseUnitTestOutput(
await Deno.readFile(`${testDataPath}/unit_test_output1.txt`),
result = await parseUnitTestOutput(
await Deno.open(`${testDataPath}/unit_test_output1.txt`),
false
);
assertEquals(result.actual, 96);
assertEquals(result.expected, 96);
// This is an example of a silently dying unit test.
result = parseUnitTestOutput(
await Deno.readFile(`${testDataPath}/unit_test_output2.txt`),
result = await parseUnitTestOutput(
await Deno.open(`${testDataPath}/unit_test_output2.txt`),
false
);
assertEquals(result.actual, undefined);
assertEquals(result.expected, 96);
// This is an example of compiling before successful unit tests.
result = parseUnitTestOutput(
await Deno.readFile(`${testDataPath}/unit_test_output3.txt`),
result = await parseUnitTestOutput(
await Deno.open(`${testDataPath}/unit_test_output3.txt`),
false
);
assertEquals(result.actual, 96);
assertEquals(result.expected, 96);
// Check what happens on empty output.
result = parseUnitTestOutput(new TextEncoder().encode("\n\n\n"), false);
const f = new Deno.Buffer(new TextEncoder().encode("\n\n\n"));
result = await parseUnitTestOutput(f, false);
assertEquals(result.actual, undefined);
assertEquals(result.expected, undefined);
});

4
cli/js/unit_test_runner.ts
View file

@ -61,8 +61,8 @@ async function main(): Promise<void> {
stdout: "piped"
});
const { actual, expected, resultOutput } = parseUnitTestOutput(
await p.output(),
const { actual, expected, resultOutput } = await parseUnitTestOutput(
p.stdout!,
true
);