Fix unittest parallel reporting (#18583)

* Some tests depended on late execution

* Emulate mocha execution order

* Polyfill a synchronous done to handle that one unittest

* Accpept updates tsconfig baselines fixed by #18534
This commit is contained in:
Wesley Wigham
2017-09-19 16:52:56 -07:00
committed by GitHub
parent 12649516cf
commit 5f49357bf6
9 changed files with 114 additions and 42 deletions

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@@ -1,52 +1,99 @@
namespace Harness.Parallel.Worker {
let errors: ErrorInfo[] = [];
let passing = 0;
let reportedUnitTests = false;
type Executor = {name: string, callback: Function, kind: "suite" | "test"} | never;
function resetShimHarnessAndExecute(runner: RunnerBase) {
errors = [];
passing = 0;
if (reportedUnitTests) {
errors = [];
passing = 0;
testList.length = 0;
}
reportedUnitTests = true;
runner.initializeTests();
testList.forEach(({ name, callback, kind }) => executeCallback(name, callback, kind));
return { errors, passing };
}
let beforeEachFunc: Function;
const namestack: string[] = [];
let testList: Executor[] = [];
function shimMochaHarness() {
(global as any).before = undefined;
(global as any).after = undefined;
(global as any).beforeEach = undefined;
let beforeEachFunc: Function;
describe = ((_name, callback) => {
const fakeContext: Mocha.ISuiteCallbackContext = {
retries() { return this; },
slow() { return this; },
timeout() { return this; },
};
(before as any) = (cb: Function) => cb();
let afterFunc: Function;
(after as any) = (cb: Function) => afterFunc = cb;
const savedBeforeEach = beforeEachFunc;
(beforeEach as any) = (cb: Function) => beforeEachFunc = cb;
callback.call(fakeContext);
afterFunc && afterFunc();
afterFunc = undefined;
beforeEachFunc = savedBeforeEach;
describe = ((name, callback) => {
testList.push({ name, callback, kind: "suite" });
}) as Mocha.IContextDefinition;
it = ((name, callback) => {
const fakeContext: Mocha.ITestCallbackContext = {
skip() { return this; },
timeout() { return this; },
retries() { return this; },
slow() { return this; },
};
// TODO: If we ever start using async test completions, polyfill the `done` parameter/promise return handling
if (beforeEachFunc) {
try {
beforeEachFunc();
}
catch (error) {
errors.push({ error: error.message, stack: error.stack, name });
return;
}
if (!testList) {
throw new Error("Tests must occur within a describe block");
}
testList.push({ name, callback, kind: "test" });
}) as Mocha.ITestDefinition;
}
function executeSuiteCallback(name: string, callback: Function) {
const fakeContext: Mocha.ISuiteCallbackContext = {
retries() { return this; },
slow() { return this; },
timeout() { return this; },
};
namestack.push(name);
let beforeFunc: Function;
(before as any) = (cb: Function) => beforeFunc = cb;
let afterFunc: Function;
(after as any) = (cb: Function) => afterFunc = cb;
const savedBeforeEach = beforeEachFunc;
(beforeEach as any) = (cb: Function) => beforeEachFunc = cb;
const savedTestList = testList;
testList = [];
callback.call(fakeContext);
beforeFunc && beforeFunc();
beforeFunc = undefined;
testList.forEach(({ name, callback, kind }) => executeCallback(name, callback, kind));
testList.length = 0;
testList = savedTestList;
afterFunc && afterFunc();
afterFunc = undefined;
beforeEachFunc = savedBeforeEach;
namestack.pop();
}
function executeCallback(name: string, callback: Function, kind: "suite" | "test") {
if (kind === "suite") {
executeSuiteCallback(name, callback);
}
else {
executeTestCallback(name, callback);
}
}
function executeTestCallback(name: string, callback: Function) {
const fakeContext: Mocha.ITestCallbackContext = {
skip() { return this; },
timeout() { return this; },
retries() { return this; },
slow() { return this; },
};
name = [...namestack, name].join(" ");
if (beforeEachFunc) {
try {
beforeEachFunc();
}
catch (error) {
errors.push({ error: error.message, stack: error.stack, name });
return;
}
}
if (callback.length === 0) {
try {
// TODO: If we ever start using async test completions, polyfill promise return handling
callback.call(fakeContext);
}
catch (error) {
@@ -54,7 +101,32 @@ namespace Harness.Parallel.Worker {
return;
}
passing++;
}) as Mocha.ITestDefinition;
}
else {
// Uses `done` callback
let completed = false;
try {
callback.call(fakeContext, (err: any) => {
if (completed) {
throw new Error(`done() callback called multiple times; ensure it is only called once.`);
}
if (err) {
errors.push({ error: err.toString(), stack: "", name });
}
else {
passing++;
}
completed = true;
});
}
catch (error) {
errors.push({ error: error.message, stack: error.stack, name });
return;
}
if (!completed) {
errors.push({ error: "Test completes asynchronously, which is unsupported by the parallel harness", stack: "", name });
}
}
}
export function start() {

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@@ -2,7 +2,7 @@
"compilerOptions": {
/* Basic Options */
"target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */
"module": "commonjs", /* Specify module code generation: 'none', commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
// "lib": [], /* Specify library files to be included in the compilation: */
// "allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */

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@@ -2,7 +2,7 @@
"compilerOptions": {
/* Basic Options */
"target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */
"module": "commonjs", /* Specify module code generation: 'none', commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
// "lib": [], /* Specify library files to be included in the compilation: */
// "allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */

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@@ -2,7 +2,7 @@
"compilerOptions": {
/* Basic Options */
"target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */
"module": "commonjs", /* Specify module code generation: 'none', commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
// "lib": [], /* Specify library files to be included in the compilation: */
// "allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */

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@@ -2,7 +2,7 @@
"compilerOptions": {
/* Basic Options */
"target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */
"module": "commonjs", /* Specify module code generation: 'none', commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
// "lib": [], /* Specify library files to be included in the compilation: */
// "allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */

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@@ -2,7 +2,7 @@
"compilerOptions": {
/* Basic Options */
"target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */
"module": "commonjs", /* Specify module code generation: 'none', commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
"lib": ["es5","es2015.promise"], /* Specify library files to be included in the compilation: */
// "allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */

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@@ -2,7 +2,7 @@
"compilerOptions": {
/* Basic Options */
"target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */
"module": "commonjs", /* Specify module code generation: 'none', commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
// "lib": [], /* Specify library files to be included in the compilation: */
// "allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */

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@@ -2,7 +2,7 @@
"compilerOptions": {
/* Basic Options */
"target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */
"module": "commonjs", /* Specify module code generation: 'none', commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
"lib": ["es5","es2015.core"], /* Specify library files to be included in the compilation: */
// "allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */

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@@ -2,7 +2,7 @@
"compilerOptions": {
/* Basic Options */
"target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */
"module": "commonjs", /* Specify module code generation: 'none', commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
// "lib": [], /* Specify library files to be included in the compilation: */
// "allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */