gecko-dev/devtools/client/memory/test/xpcshell/test_individuals_03.js

115 строки
3.0 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test switching to the individuals view when we are in the diffing view.
const {
censusState,
diffingState,
viewState,
individualsState,
} = require("devtools/client/memory/constants");
const {
fetchIndividuals,
takeSnapshotAndCensus,
} = require("devtools/client/memory/actions/snapshot");
const {
changeView,
popViewAndRefresh,
} = require("devtools/client/memory/actions/view");
const {
selectSnapshotForDiffingAndRefresh,
} = require("devtools/client/memory/actions/diffing");
const EXPECTED_INDIVIDUAL_STATES = [
individualsState.COMPUTING_DOMINATOR_TREE,
individualsState.FETCHING,
individualsState.FETCHED,
];
add_task(async function() {
const front = new StubbedMemoryFront();
const heapWorker = new HeapAnalysesClient();
await front.attach();
const store = Store();
const { getState, dispatch } = store;
dispatch(changeView(viewState.CENSUS));
// Take two snapshots and diff them from each other.
dispatch(takeSnapshotAndCensus(front, heapWorker));
dispatch(takeSnapshotAndCensus(front, heapWorker));
await waitUntilCensusState(store, s => s.census, [
censusState.SAVED,
censusState.SAVED,
]);
dispatch(changeView(viewState.DIFFING));
dispatch(
selectSnapshotForDiffingAndRefresh(heapWorker, getState().snapshots[0])
);
dispatch(
selectSnapshotForDiffingAndRefresh(heapWorker, getState().snapshots[1])
);
await waitUntilState(store, state => {
return state.diffing && state.diffing.state === diffingState.TOOK_DIFF;
});
ok(getState().diffing.census);
// Fetch individuals.
const root = getState().diffing.census.report;
ok(root, "Should have a census");
const reportLeafIndex = findReportLeafIndex(root);
ok(reportLeafIndex, "Should get a reportLeafIndex");
const snapshotId = getState().diffing.secondSnapshotId;
ok(snapshotId, "Should have a snapshot id");
const breakdown = getState().censusDisplay.breakdown;
ok(breakdown, "Should have a breakdown");
dispatch(
fetchIndividuals(heapWorker, snapshotId, breakdown, reportLeafIndex)
);
for (const state of EXPECTED_INDIVIDUAL_STATES) {
await waitUntilState(store, s => {
return (
s.view.state === viewState.INDIVIDUALS &&
s.individuals &&
s.individuals.state === state
);
});
ok(true, `Reached state = ${state}`);
}
ok(getState().individuals, "Should have individuals state");
ok(getState().individuals.nodes, "Should have individuals nodes");
ok(
getState().individuals.nodes.length > 0,
"Should have a positive number of nodes"
);
// Pop the view back to the diffing.
dispatch(popViewAndRefresh(heapWorker));
await waitUntilState(store, state => {
return state.diffing && state.diffing.state === diffingState.TOOK_DIFF;
});
ok(
getState().diffing.census.report,
"We have our census diff again after popping back to the last view"
);
heapWorker.destroy();
await front.detach();
});