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webextension-polyfill
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fix: refactor runtime.onMessage tests.

This commit is contained in:
Luca Greco 2016-10-12 02:17:55 +02:00
parent 3842bd1693
commit 0517edaa67
1 changed files with 8 additions and 12 deletions
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20
test/test-runtime-onMessage.js
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@ -32,27 +32,23 @@ describe("browser-polyfill", () => {
it("keeps track of the listeners added", () => {
const messageListener = sinon.spy();
const fakeChromeListeners = new Set();
const fakeChrome = {
runtime: {
lastError: null,
onMessage: {
addListener: sinon.spy(),
hasListener: sinon.stub(),
removeListener: sinon.spy(),
addListener: sinon.spy((listener, ...args) => {
fakeChromeListeners.add(listener);
}),
hasListener: sinon.spy(listener => fakeChromeListeners.has(listener)),
removeListener: sinon.spy(listener => {
fakeChromeListeners.delete(listener);
}),
},
},
};
return setupTestDOMWindow(fakeChrome).then(window => {
fakeChrome.runtime.onMessage.hasListener
// Fake the hasListener result for "listener not yet registered".
.onFirstCall().returns(false)
// Fake the hasListener result for "listener registered".
.onSecondCall().returns(true)
// Fake the hasListener result for "listener unregistered".
.onThirdCall().returns(false);
equal(window.browser.runtime.onMessage.hasListener(messageListener),
false, "Got hasListener==false before the listener has been added");