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test: fix api coverage (#3114)

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Coverage for browser-specific events was missing.
This commit is contained in:
Dmitry Gozman 2020-07-23 10:30:47 -07:00 committed by GitHub
parent 244ce45799
commit 30e21e0bee
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 33 additions and 35 deletions
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26
test/jest/coverage.js
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@ -21,9 +21,10 @@
* @param {string} className
* @param {!Object} classType
*/
function traceAPICoverage(apiCoverage, events, className, classType) {
function traceAPICoverage(apiCoverage, api, events) {
const uninstalls = [];
className = className.substring(0, 1).toLowerCase() + className.substring(1);
for (const [name, classType] of Object.entries(api)) {
const className = name.substring(0, 1).toLowerCase() + name.substring(1);
for (const methodName of Reflect.ownKeys(classType.prototype)) {
const method = Reflect.get(classType.prototype, methodName);
if (methodName === 'constructor' || typeof methodName !== 'string' || methodName.startsWith('_') || typeof method !== 'function')
@ -37,21 +38,21 @@ function traceAPICoverage(apiCoverage, events, className, classType) {
Reflect.set(classType.prototype, methodName, override);
uninstalls.push(() => Reflect.set(classType.prototype, methodName, method));
}
if (events[classType.name]) {
for (const event of Object.values(events[classType.name])) {
if (events[name]) {
const emitClassType = (name === 'BrowserContext' ? api['ChromiumBrowserContext'] : undefined) || classType;
for (const event of Object.values(events[name])) {
if (typeof event !== 'symbol')
apiCoverage.set(`${className}.emit(${JSON.stringify(event)})`, false);
}
const method = Reflect.get(classType.prototype, 'emit');
Reflect.set(classType.prototype, 'emit', function(event, ...args) {
const method = Reflect.get(emitClassType.prototype, 'emit');
Reflect.set(emitClassType.prototype, 'emit', function(event, ...args) {
if (typeof event !== 'symbol' && this.listenerCount(event))
apiCoverage.set(`${className}.emit(${JSON.stringify(event)})`, true);
return method.call(this, event, ...args);
});
uninstalls.push(() => Reflect.set(classType.prototype, 'emit', method));
uninstalls.push(() => Reflect.set(emitClassType.prototype, 'emit', method));
}
}
return () => uninstalls.forEach(u => u());
}
@ -72,7 +73,7 @@ function apiForBrowser(browserName) {
name: 'Chromium',
events: {
...require('../../lib/events').Events,
...require('../../lib/chromium/events').Events,
ChromiumBrowserContext: require('../../lib/chromium/events').Events.CRBrowserContext,
}
},
];
@ -101,12 +102,9 @@ function apiForBrowser(browserName) {
* @param {string} browserName
*/
function installCoverageHooks(browserName) {
const uninstalls = [];
const {api, events} = apiForBrowser(browserName);
const coverage = new Map();
for (const [name, value] of Object.entries(api))
uninstalls.push(traceAPICoverage(coverage, events, name, value));
const uninstall = () => uninstalls.map(u => u());
const uninstall = traceAPICoverage(coverage, api, events);
return {coverage, uninstall};
}