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55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* Tests the async reducer responding to the action `takeSnapshot(front)`
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*/
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let actions = require("devtools/client/memory/actions/snapshot");
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let { snapshotState: states } = require("devtools/client/memory/constants");
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function run_test() {
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run_next_test();
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}
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add_task(function *() {
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let front = new StubbedMemoryFront();
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yield front.attach();
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let store = Store();
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let unsubscribe = store.subscribe(checkState);
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let foundPendingState = false;
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let foundDoneState = false;
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function checkState () {
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let { snapshots } = store.getState();
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let lastSnapshot = snapshots[snapshots.length - 1];
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if (lastSnapshot.state === states.SAVING) {
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foundPendingState = true;
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ok(foundPendingState, "Got state change for pending heap snapshot request");
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ok(!lastSnapshot.path, "Snapshot does not yet have a path");
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ok(!lastSnapshot.census, "Has no census data when loading");
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}
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else if (lastSnapshot.state === states.SAVED) {
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foundDoneState = true;
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ok(foundDoneState, "Got state change for completed heap snapshot request");
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ok(foundPendingState, "SAVED state occurs after SAVING state");
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ok(lastSnapshot.path, "Snapshot fetched with a path");
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ok(snapshots.every(s => s.selected === (s.id === lastSnapshot.id)),
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"Only recent snapshot is selected");
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}
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}
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for (let i = 0; i < 4; i++) {
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store.dispatch(actions.takeSnapshot(front));
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yield waitUntilState(store, () => foundPendingState && foundDoneState);
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// reset state trackers
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foundDoneState = foundPendingState = false;
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}
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unsubscribe();
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});
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