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[Mockery replacement] - Replaced mockery with similar adapter (#968)
* [Mockery replacement] - Replaced mockery with similar adapter - Replaced Mockery test-lib since it has vulnerabilities and is no longer maintained - Replaced with self-written adapter inspired by mockery for backward compatibility with tasks. - All methods which are not used in the tasks are not implemented since they shouldn't be used separately from toolrunner. - Added unit Tests - Task-Lib version was bumped to 5.0.0-preview - The lib was fully tested with all node-based tasks from azure-pipelines-task-lib repository * [Mockery replacement] - Replaced mockery with similar adapter - Replaced Mockery test-lib since it has vulnerabilities and is no longer maintained - Replaced with self-written adapter inspired by mockery for backward compatibility with tasks. - All methods which are not used in the tasks are not implemented since they shouldn't be used separately from toolrunner. - Added unit Tests - Task-Lib version was bumped to 5.0.0-preview - The lib was fully tested with all node-based tasks from azure-pipelines-task-lib repository * [Mockery replacement] - Replaced mockery with similar adapter - Changed preview version
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,213 @@ | ||
| const m = require('module'); | ||
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| export interface MockOptions { | ||
| useCleanCache?: boolean, | ||
| warnOnReplace?: boolean, | ||
| warnOnUnregistered?: boolean | ||
| }; | ||
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| let registeredMocks = {}; | ||
| let registeredAllowables = new Set<string>(); | ||
| let originalLoader: Function | null = null; | ||
| let originalCache: Record<string, any> = {}; | ||
| let options: MockOptions = {}; | ||
| let defaultOptions: MockOptions = { | ||
| useCleanCache: false, | ||
| warnOnReplace: true, | ||
| warnOnUnregistered: true | ||
| }; | ||
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| function _getEffectiveOptions(opts: MockOptions): MockOptions { | ||
| var options: MockOptions = {}; | ||
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| Object.keys(defaultOptions).forEach(function (key) { | ||
| if (opts && opts.hasOwnProperty(key)) { | ||
| options[key] = opts[key]; | ||
| } else { | ||
| options[key] = defaultOptions[key]; | ||
| } | ||
| }); | ||
| return options; | ||
| } | ||
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|
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| /* | ||
| * Loader function that used when hooking is enabled. | ||
| * if the requested module is registered as a mock, return the mock. | ||
| * otherwise, invoke the original loader + put warning in the output. | ||
| */ | ||
| function _hookedLoader(request: string, parent, isMain: boolean) { | ||
| if (!originalLoader) { | ||
| throw new Error("Loader has not been hooked"); | ||
| } | ||
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| if (registeredMocks.hasOwnProperty(request)) { | ||
| return registeredMocks[request]; | ||
| } | ||
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| if (!registeredAllowables.has(request) && options.warnOnUnregistered) { | ||
| console.warn("WARNING: loading non-allowed module: " + request); | ||
| } | ||
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| return originalLoader(request, parent, isMain); | ||
| } | ||
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| /** | ||
| * Remove references to modules in the cache from | ||
| * their parents' children. | ||
| */ | ||
| function _removeParentReferences(): void { | ||
| Object.keys(m._cache).forEach(function (k) { | ||
| if (k.indexOf('\.node') === -1) { | ||
| // don't touch native modules, because they're special | ||
| const mod = m._cache[k]; | ||
| const idx = mod?.parent?.children.indexOf(mod); | ||
| if (idx > -1) { | ||
| mod.parent.children.splice(idx, 1); | ||
| } | ||
| } | ||
| }); | ||
| } | ||
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| /* | ||
| * Starting in node 0.12 node won't reload native modules | ||
| * The reason is that native modules can register themselves to be loaded automatically | ||
| * This will re-populate the cache with the native modules that have not been mocked | ||
| */ | ||
| function _repopulateNative(): void { | ||
| Object.keys(originalCache).forEach(function (k) { | ||
| if (k.indexOf('\.node') > -1 && !m._cache[k]) { | ||
| m._cache[k] = originalCache[k]; | ||
| } | ||
| }); | ||
| } | ||
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| /* | ||
| * Enable function, hooking the Node loader with options. | ||
| */ | ||
| export function enable(opts: MockOptions): void { | ||
| if (originalLoader) { | ||
| // Already hooked | ||
| return; | ||
| } | ||
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| options = _getEffectiveOptions(opts); | ||
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| if (options.useCleanCache) { | ||
| originalCache = m._cache; | ||
| m._cache = {}; | ||
| _repopulateNative(); | ||
| } | ||
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| originalLoader = m._load; | ||
| m._load = _hookedLoader; | ||
| } | ||
|
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| /* | ||
| * Disables mock loading, reverting to normal 'require' behaviour. | ||
| */ | ||
| export function disable(): void { | ||
| if (!originalLoader) return; | ||
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| if (options.useCleanCache) { | ||
| Object.keys(m._cache).forEach(function (k) { | ||
| if (k.indexOf('\.node') > -1 && !originalCache[k]) { | ||
| originalCache[k] = m._cache[k]; | ||
| } | ||
| }); | ||
| _removeParentReferences(); | ||
| m._cache = originalCache; | ||
| originalCache = {}; | ||
| } | ||
|
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| m._load = originalLoader; | ||
| originalLoader = null; | ||
| } | ||
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| /* | ||
| * If the clean cache option is in effect, reset the module cache to an empty | ||
| * state. Calling this function when the clean cache option is not in effect | ||
| * will have no ill effects, but will do nothing. | ||
| */ | ||
| export function resetCache(): void { | ||
| if (options.useCleanCache && originalCache) { | ||
| _removeParentReferences(); | ||
| m._cache = {}; | ||
| _repopulateNative(); | ||
| } | ||
| } | ||
|
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| /* | ||
| * Enable or disable warnings to the console when previously registered mocks are replaced. | ||
| */ | ||
| export function warnOnReplace(enable: boolean): void { | ||
| options.warnOnReplace = enable; | ||
| } | ||
|
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| /* | ||
| * Enable or disable warnings to the console when modules are loaded that have | ||
| * not been registered as a mock. | ||
| */ | ||
| export function warnOnUnregistered(enable: boolean): void { | ||
| options.warnOnUnregistered = enable; | ||
| } | ||
|
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| /* | ||
| * Register a mock object for the specified module. | ||
| */ | ||
| export function registerMock(mod: string, mock): void { | ||
| if (options.warnOnReplace && registeredMocks.hasOwnProperty(mod)) { | ||
| console.warn("WARNING: Replacing existing mock for module: " + mod); | ||
| } | ||
| registeredMocks[mod] = mock; | ||
| } | ||
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| /* | ||
| * Deregister a mock object for the specified module. | ||
| */ | ||
| export function deregisterMock(mod: string): void { | ||
| if (registeredMocks.hasOwnProperty(mod)) { | ||
| delete registeredMocks[mod]; | ||
| } | ||
| } | ||
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| /* | ||
| * Deregister all mocks. | ||
| */ | ||
| export function deregisterAll(): void { | ||
| registeredMocks = {}; | ||
| registeredAllowables = new Set(); | ||
| } | ||
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| /* | ||
| Register a module as 'allowed'. | ||
| This will allow the module to be loaded without mock otherwise a warning would be thrown. | ||
| */ | ||
| export function registerAllowable(mod: string): void { | ||
| registeredAllowables.add(mod); | ||
| } | ||
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| /* | ||
| * Register an array of 'allowed' modules. | ||
| */ | ||
| export function registerAllowables(mods: string[]): void { | ||
| mods.forEach((mod) => registerAllowable(mod)); | ||
| } | ||
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| /* | ||
| * Deregister a module as 'allowed'. | ||
| */ | ||
| export function deregisterAllowable(mod: string): void { | ||
| if (registeredAllowables.hasOwnProperty(mod)) { | ||
| registeredAllowables.delete(mod); | ||
| } | ||
| } | ||
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| /* | ||
| * Deregister an array of modules as 'allowed'. | ||
| */ | ||
| export function deregisterAllowables(mods) { | ||
| mods.forEach(function (mod) { | ||
| deregisterAllowable(mod); | ||
| }); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| export function testFuncLibrary() { | ||
| return 'testFuncLibrary'; | ||
| } | ||
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| export function otherFuncLibrary() { | ||
| return 'otherFuncLibrary'; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| export function testFuncLibrary2() { | ||
| return 'testFuncLibrary2'; | ||
| } | ||
|
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| export function otherFuncLibrary2() { | ||
| return 'otherFuncLibrary2'; | ||
| } |
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