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