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tracks.test.js
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tracks.test.js
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// @flow
import {
getScreenshotTrackProfile,
getNetworkTrackProfile,
addIPCMarkerPairToThreads,
getProfileWithMarkers,
} from '../fixtures/profiles/processed-profile';
import { getEmptyThread } from '../../profile-logic/data-structures';
import { storeWithProfile } from '../fixtures/stores';
import * as ProfileViewSelectors from '../../selectors/profile';
import * as UrlStateSelectors from '../../selectors/url-state';
import {
getHumanReadableTracks,
getProfileWithNiceTracks,
getStoreWithMemoryTrack,
} from '../fixtures/profiles/tracks';
import { withAnalyticsMock } from '../fixtures/mocks/analytics';
import {
changeGlobalTrackOrder,
hideGlobalTrack,
showGlobalTrack,
isolateProcess,
changeLocalTrackOrder,
hideLocalTrack,
changeSelectedThreads,
showLocalTrack,
isolateLocalTrack,
isolateProcessMainThread,
} from '../../actions/profile-view';
describe('ordering and hiding', function () {
function init(profile = getProfileWithNiceTracks()) {
const { dispatch, getState } = storeWithProfile(profile);
// Find all of the indexes.
const parentThreadIndex = profile.threads.findIndex(
(thread) =>
thread.name === 'GeckoMain' && thread.processType === 'default'
);
const tabThreadIndex = profile.threads.findIndex(
(thread) => thread.name === 'GeckoMain' && thread.processType === 'tab'
);
const workerThreadIndex = profile.threads.findIndex(
(thread) => thread.name === 'DOM Worker'
);
const styleThreadIndex = profile.threads.findIndex(
(thread) => thread.name === 'Style'
);
const parentPid = profile.threads[parentThreadIndex].pid;
const tabPid = profile.threads[workerThreadIndex].pid;
const globalTracks = ProfileViewSelectors.getGlobalTracks(getState());
const parentTrackIndex = globalTracks.findIndex(
(track) =>
track.type === 'process' && track.mainThreadIndex === parentThreadIndex
);
const tabTrackIndex = globalTracks.findIndex(
(track) =>
track.type === 'process' && track.mainThreadIndex === tabThreadIndex
);
let styleTrackIndex, workerTrackIndex;
for (const [, tracks] of ProfileViewSelectors.getLocalTracksByPid(
getState()
)) {
for (let trackIndex = 0; trackIndex < tracks.length; trackIndex++) {
const track = tracks[trackIndex];
if (track.type === 'thread') {
switch (track.threadIndex) {
case styleThreadIndex:
styleTrackIndex = trackIndex;
break;
case workerThreadIndex:
workerTrackIndex = trackIndex;
break;
default:
break;
}
}
}
}
if (
typeof styleTrackIndex !== 'number' ||
typeof workerTrackIndex !== 'number'
) {
throw new Error('A local track index could not be found');
}
return {
// Store:
dispatch,
getState,
// Indexes:
parentThreadIndex,
parentTrackIndex,
tabThreadIndex,
tabTrackIndex,
styleTrackIndex,
styleThreadIndex,
workerTrackIndex,
workerThreadIndex,
parentPid,
tabPid,
};
}
/**
* This profile is a variant of getProfileWithNiceTracks, but there is no main
* thread of the second process.
*
* getHumanReadableTracks produces:
* [
* 'show [thread GeckoMain default] SELECTED',
* 'show [process]', // <- No main thread
* ' - show [thread DOM Worker]',
* ' - show [thread Style]'
* ]
*/
function getProfileWithoutAProcessMainThread() {
const profile = getProfileWithNiceTracks();
profile.threads = profile.threads.filter(
(thread) => !(thread.name === 'GeckoMain' && thread.processType === 'tab')
);
return profile;
}
function getProfileWithCustomMarkerTracks() {
const profile = getProfileWithMarkers([
['Marker', 1, 2, { type: 'Marker', first: 5 }],
['NoGraphMarker', 3, 4, { type: 'NoGraphMarker', first: 6 }],
]);
const extraMarkerSchemas = [
{
name: 'Marker',
display: ['marker-chart', 'marker-table', 'timeline-memory'],
data: [
{ key: 'first', label: 'first', format: 'integer', searchable: true },
],
graphs: [
{
key: 'first',
type: 'line',
},
],
},
{
name: 'NoGraphMarker',
display: ['marker-chart', 'marker-table'],
data: [
{ key: 'first', label: 'first', format: 'integer', searchable: true },
],
// An empty array should behave just as if the property isn't present.
graphs: [],
},
];
profile.meta.markerSchema.push(...extraMarkerSchemas);
return profile;
}
describe('global tracks', function () {
it('starts out with the initial sorting', function () {
const { getState } = init();
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain default]',
'show [thread GeckoMain tab] SELECTED',
' - show [thread DOM Worker]',
' - show [thread Style]',
]);
});
it('can hide a global track', function () {
const { getState, dispatch, tabTrackIndex } = init();
withAnalyticsMock(() => {
dispatch(hideGlobalTrack(tabTrackIndex));
expect(self.ga).toHaveBeenCalledWith('send', {
eventAction: 'hide global track',
eventCategory: 'timeline',
hitType: 'event',
});
});
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain default] SELECTED',
'hide [thread GeckoMain tab]',
' - show [thread DOM Worker]',
' - show [thread Style]',
]);
});
it('cannot hide the last global track', function () {
const { getState, dispatch, parentTrackIndex, tabTrackIndex } = init();
dispatch(hideGlobalTrack(parentTrackIndex));
dispatch(hideGlobalTrack(tabTrackIndex));
expect(getHumanReadableTracks(getState())).toEqual([
'hide [thread GeckoMain default]',
'show [thread GeckoMain tab] SELECTED',
' - show [thread DOM Worker]',
' - show [thread Style]',
]);
});
it('can show a global track', function () {
const { getState, dispatch, tabTrackIndex } = init();
dispatch(hideGlobalTrack(tabTrackIndex));
withAnalyticsMock(() => {
dispatch(showGlobalTrack(tabTrackIndex));
expect(self.ga).toHaveBeenCalledWith('send', {
eventAction: 'show global track',
eventCategory: 'timeline',
hitType: 'event',
});
});
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain default] SELECTED',
'show [thread GeckoMain tab]',
' - show [thread DOM Worker]',
' - show [thread Style]',
]);
});
it('can change the global track order', function () {
const { getState, dispatch, parentTrackIndex, tabTrackIndex } = init();
withAnalyticsMock(() => {
dispatch(changeGlobalTrackOrder([tabTrackIndex, parentTrackIndex]));
expect(self.ga).toHaveBeenCalledWith('send', {
eventAction: 'change global track order',
eventCategory: 'timeline',
hitType: 'event',
});
});
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain tab] SELECTED',
' - show [thread DOM Worker]',
' - show [thread Style]',
'show [thread GeckoMain default]',
]);
});
it('can isolate a global process track', function () {
const { getState, dispatch, parentTrackIndex } = init();
withAnalyticsMock(() => {
dispatch(isolateProcess(parentTrackIndex));
expect(self.ga).toHaveBeenCalledWith('send', {
eventAction: 'isolate process',
eventCategory: 'timeline',
hitType: 'event',
});
});
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain default] SELECTED',
'hide [thread GeckoMain tab]',
' - show [thread DOM Worker]',
' - show [thread Style]',
]);
});
it('keeps the selected local track when isolating a global track', function () {
const { getState, dispatch, tabTrackIndex, styleThreadIndex } = init();
dispatch(changeSelectedThreads(new Set([styleThreadIndex])));
dispatch(isolateProcess(tabTrackIndex));
expect(getHumanReadableTracks(getState())).toEqual([
'hide [thread GeckoMain default]',
'show [thread GeckoMain tab]',
' - show [thread DOM Worker]',
' - show [thread Style] SELECTED',
]);
});
it('can isolate just the main thread of a process', function () {
const { getState, dispatch, tabTrackIndex } = init();
withAnalyticsMock(() => {
dispatch(isolateProcessMainThread(tabTrackIndex));
expect(self.ga).toHaveBeenCalledWith('send', {
eventAction: 'isolate process main thread',
eventCategory: 'timeline',
hitType: 'event',
});
});
expect(getHumanReadableTracks(getState())).toEqual([
'hide [thread GeckoMain default]',
'show [thread GeckoMain tab] SELECTED',
' - hide [thread DOM Worker]',
' - hide [thread Style]',
]);
});
it('finds a good selectedThreadIndex when a selected global track is hidden', function () {
const {
getState,
dispatch,
tabTrackIndex,
tabThreadIndex,
parentThreadIndex,
} = init();
expect(UrlStateSelectors.getSelectedThreadIndexes(getState())).toEqual(
new Set([tabThreadIndex])
);
dispatch(hideGlobalTrack(tabTrackIndex));
expect(UrlStateSelectors.getSelectedThreadIndexes(getState())).toEqual(
new Set([parentThreadIndex])
);
});
it('selects the mainThreadIndex when isolating a process track', function () {
const {
getState,
dispatch,
tabThreadIndex,
parentThreadIndex,
parentTrackIndex,
} = init();
expect(UrlStateSelectors.getSelectedThreadIndexes(getState())).toEqual(
new Set([tabThreadIndex])
);
dispatch(isolateProcess(parentTrackIndex));
expect(UrlStateSelectors.getSelectedThreadIndexes(getState())).toEqual(
new Set([parentThreadIndex])
);
});
it('will reselect a local thread track when no global track is available', function () {
const profile = getProfileWithoutAProcessMainThread();
const { getState, dispatch, parentTrackIndex, parentThreadIndex } =
init(profile);
dispatch(changeSelectedThreads(new Set([parentThreadIndex])));
dispatch(hideGlobalTrack(parentTrackIndex));
expect(getHumanReadableTracks(getState())).toEqual([
'hide [thread GeckoMain default]',
'show [process]',
' - show [thread DOM Worker] SELECTED',
' - show [thread Style]',
]);
});
it('can extract a screenshots track', function () {
const { getState } = storeWithProfile(getScreenshotTrackProfile());
expect(getHumanReadableTracks(getState())).toEqual([
'show [screenshots]',
'show [screenshots]',
'show [screenshots]',
'show [process]',
' - show [thread Empty] SELECTED',
]);
});
describe('sorting of track types to ensure proper URL backwards compatibility', function () {
const stableIndexOrder = [
'process',
'process',
// Screenshots are last.
'screenshots',
'screenshots',
'screenshots',
];
const userFacingSortOrder = [
// Screenshots are first.
'screenshots',
'screenshots',
'screenshots',
'process',
'process',
];
function setup() {
const profile = getScreenshotTrackProfile();
profile.threads.push(getEmptyThread());
const [threadA, threadB] = profile.threads;
threadA.name = 'GeckoMain';
threadA.isMainThread = true;
threadB.name = 'GeckoMain';
threadB.isMainThread = true;
threadA.processType = 'tab';
threadA.pid = '1';
threadA.pid = '2';
const { getState } = storeWithProfile(profile);
return {
globalTracks: ProfileViewSelectors.getGlobalTracks(getState()),
globalTrackOrder: UrlStateSelectors.getGlobalTrackOrder(getState()),
};
}
it('creates stable track indexes over time', function () {
const { globalTracks } = setup();
expect(globalTracks.map((track) => track.type)).toEqual(
stableIndexOrder
);
});
it('creates a separate user-facing ordering that is different from the internal sorting', function () {
const { globalTracks, globalTrackOrder } = setup();
expect(
globalTrackOrder.map((trackIndex) => globalTracks[trackIndex].type)
).toEqual(userFacingSortOrder);
});
});
});
describe('local tracks', function () {
it('can define custom local tracks from marker graphs', function () {
const { getState } = storeWithProfile(getProfileWithCustomMarkerTracks());
expect(getHumanReadableTracks(getState())).toEqual([
'show [process]',
' - show [thread Empty] SELECTED',
' - show [marker Marker] SELECTED',
]);
});
it('can hide a local track', function () {
const { getState, dispatch, workerTrackIndex, tabPid } = init();
withAnalyticsMock(() => {
dispatch(hideLocalTrack(tabPid, workerTrackIndex));
expect(self.ga).toHaveBeenCalledWith('send', {
eventAction: 'hide local track',
eventCategory: 'timeline',
hitType: 'event',
});
});
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain default]',
'show [thread GeckoMain tab] SELECTED',
' - hide [thread DOM Worker]',
' - show [thread Style]',
]);
});
it('can count hidden local tracks', function () {
const { getState, dispatch, workerTrackIndex, tabPid } = init();
dispatch(hideLocalTrack(tabPid, workerTrackIndex));
expect(ProfileViewSelectors.getHiddenTrackCount(getState())).toEqual({
hidden: 1,
total: 4,
});
});
it('can count hidden global tracks and their hidden local tracks', function () {
const { getState, dispatch, tabTrackIndex } = init();
dispatch(hideGlobalTrack(tabTrackIndex));
expect(ProfileViewSelectors.getHiddenTrackCount(getState())).toEqual({
hidden: 3,
total: 4,
});
});
it('will hide the global track if hiding the last visible thread', function () {
const profile = getProfileWithoutAProcessMainThread();
const { getState, dispatch, workerTrackIndex, tabPid, styleTrackIndex } =
init(profile);
dispatch(hideLocalTrack(tabPid, workerTrackIndex));
dispatch(hideLocalTrack(tabPid, styleTrackIndex));
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain default] SELECTED',
'hide [process]',
' - hide [thread DOM Worker]',
' - show [thread Style]',
]);
});
it("can select a local track's thread", function () {
const { getState, dispatch, workerThreadIndex } = init();
dispatch(changeSelectedThreads(new Set([workerThreadIndex])));
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain default]',
'show [thread GeckoMain tab]',
' - show [thread DOM Worker] SELECTED',
' - show [thread Style]',
]);
});
it('will reselect a sibling thread index when a track is hidden', function () {
const {
getState,
dispatch,
tabPid,
workerTrackIndex,
workerThreadIndex,
} = init();
dispatch(changeSelectedThreads(new Set([workerThreadIndex])));
dispatch(hideLocalTrack(tabPid, workerTrackIndex));
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain default]',
'show [thread GeckoMain tab]',
' - hide [thread DOM Worker]',
' - show [thread Style] SELECTED',
]);
});
it('will reselect a sibling thread index when a track is hidden 2', function () {
const { getState, dispatch, tabPid, styleTrackIndex, styleThreadIndex } =
init();
dispatch(changeSelectedThreads(new Set([styleThreadIndex])));
dispatch(hideLocalTrack(tabPid, styleTrackIndex));
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain default]',
'show [thread GeckoMain tab]',
' - show [thread DOM Worker] SELECTED',
' - hide [thread Style]',
]);
});
it('will reselect the main thread index when all local tracks are hidden', function () {
const {
getState,
dispatch,
tabPid,
styleTrackIndex,
workerTrackIndex,
workerThreadIndex,
} = init();
dispatch(hideLocalTrack(tabPid, styleTrackIndex));
dispatch(changeSelectedThreads(new Set([workerThreadIndex])));
dispatch(hideLocalTrack(tabPid, workerTrackIndex));
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain default]',
'show [thread GeckoMain tab] SELECTED',
' - hide [thread DOM Worker]',
' - hide [thread Style]',
]);
});
it('will not hide the last visible thread', function () {
const profile = getProfileWithoutAProcessMainThread();
const {
getState,
dispatch,
workerTrackIndex,
parentTrackIndex,
tabPid,
styleTrackIndex,
} = init(profile);
dispatch(hideGlobalTrack(parentTrackIndex));
dispatch(hideLocalTrack(tabPid, workerTrackIndex));
dispatch(hideLocalTrack(tabPid, styleTrackIndex));
expect(getHumanReadableTracks(getState())).toEqual([
'hide [thread GeckoMain default]',
'show [process]',
' - hide [thread DOM Worker]',
' - show [thread Style] SELECTED',
]);
});
it('will not hide the last visible thread 2', function () {
const profile = getProfileWithoutAProcessMainThread();
const {
getState,
dispatch,
workerTrackIndex,
parentTrackIndex,
tabPid,
styleTrackIndex,
} = init(profile);
dispatch(hideGlobalTrack(parentTrackIndex));
dispatch(hideLocalTrack(tabPid, styleTrackIndex));
dispatch(hideLocalTrack(tabPid, workerTrackIndex));
expect(getHumanReadableTracks(getState())).toEqual([
'hide [thread GeckoMain default]',
'show [process]',
' - show [thread DOM Worker] SELECTED',
' - hide [thread Style]',
]);
});
it('can show a local track', function () {
const { getState, dispatch, tabPid, workerTrackIndex } = init();
dispatch(hideLocalTrack(tabPid, workerTrackIndex));
withAnalyticsMock(() => {
dispatch(showLocalTrack(tabPid, workerTrackIndex));
expect(self.ga).toHaveBeenCalledWith('send', {
eventAction: 'show local track',
eventCategory: 'timeline',
hitType: 'event',
});
});
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain default]',
'show [thread GeckoMain tab] SELECTED',
' - show [thread DOM Worker]',
' - show [thread Style]',
]);
});
it('can change the local track order', function () {
const { getState, dispatch, styleTrackIndex, workerTrackIndex, tabPid } =
init();
dispatch(
changeLocalTrackOrder(tabPid, [styleTrackIndex, workerTrackIndex])
);
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain default]',
'show [thread GeckoMain tab] SELECTED',
' - show [thread Style]',
' - show [thread DOM Worker]',
]);
});
it('can isolate a local track', function () {
const { getState, dispatch, tabPid, workerTrackIndex } = init();
withAnalyticsMock(() => {
dispatch(isolateLocalTrack(tabPid, workerTrackIndex));
expect(self.ga).toHaveBeenCalledWith('send', {
eventAction: 'isolate local track',
eventCategory: 'timeline',
hitType: 'event',
});
});
expect(getHumanReadableTracks(getState())).toEqual([
'hide [thread GeckoMain default]',
'show [thread GeckoMain tab]',
' - show [thread DOM Worker] SELECTED',
' - hide [thread Style]',
]);
});
it('can select the isolated track', function () {
const {
getState,
dispatch,
tabPid,
workerTrackIndex,
parentThreadIndex,
} = init();
dispatch(changeSelectedThreads(new Set([parentThreadIndex])));
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain default] SELECTED',
'show [thread GeckoMain tab]',
' - show [thread DOM Worker]',
' - show [thread Style]',
]);
dispatch(isolateLocalTrack(tabPid, workerTrackIndex));
expect(getHumanReadableTracks(getState())).toEqual([
'hide [thread GeckoMain default]',
'show [thread GeckoMain tab]',
' - show [thread DOM Worker] SELECTED',
' - hide [thread Style]',
]);
});
describe('sorting of track types to ensure proper URL backwards compatibility', function () {
const stableIndexOrder = [
'thread',
// Network is last.
'network',
];
const userFacingSortOrder = [
// Network is first.
'network',
'thread',
];
function setup() {
const profile = getNetworkTrackProfile();
const pid = '1';
profile.threads[0].pid = pid;
const { getState } = storeWithProfile(profile);
return {
localTracks: ProfileViewSelectors.getLocalTracks(getState(), pid),
localTrackOrder: UrlStateSelectors.getLocalTrackOrder(
getState(),
pid
),
};
}
it('creates stable track indexes over time', function () {
const { localTracks } = setup();
expect(localTracks.map((track) => track.type)).toEqual(
stableIndexOrder
);
});
it('creates a separate user-facing ordering that is different from the internal sorting', function () {
const { localTracks, localTrackOrder } = setup();
expect(
localTrackOrder.map((trackIndex) => localTracks[trackIndex].type)
).toEqual(userFacingSortOrder);
});
});
it('properly initializes the sorting with for the IPC tracks', function () {
// IPC tracks have a special case for the track ordering. They always
// appear after the thread tracks that they belong to. If they belong to
// the global track, then it should show up before the other local tracks.
// If it belongs to a local track, it should appear right after the local
// thread track.
const profile = getProfileWithNiceTracks();
const { pid } = profile.threads[1];
addIPCMarkerPairToThreads(
{
startTime: 1,
endTime: 10,
messageSeqno: 1,
},
profile.threads[1], // tab process
profile.threads[2] // DOM Worker
);
const { getState } = storeWithProfile(profile);
const localTracks = ProfileViewSelectors.getLocalTracks(getState(), pid);
const localTrackOrder = UrlStateSelectors.getLocalTrackOrder(
getState(),
pid
);
// Check that we properly put the two IPC tracks right after their threads.
// Since the first IPC track belongs to the global track, it should appear
// first, and the second IPC track should appear after the DOM Worker track.
expect(
localTrackOrder.map((trackIndex) => localTracks[trackIndex].type)
).toEqual(['ipc', 'thread', 'ipc', 'thread']);
expect(getHumanReadableTracks(getState())).toEqual([
'show [thread GeckoMain default]',
'show [thread GeckoMain tab] SELECTED',
// Belongs to the global tab track.
' - hide [ipc GeckoMain] SELECTED',
' - show [thread DOM Worker]',
// Belongs to the DOM Worker local track.
' - hide [ipc DOM Worker]',
' - show [thread Style]',
]);
});
});
});
describe('ProfileViewSelectors.getProcessesWithMemoryTrack', function () {
it('knows when a profile does not have a memory track', function () {
const profile = getProfileWithNiceTracks();
const [thread] = profile.threads;
const { getState } = storeWithProfile(profile);
const processesWithMemoryTrack =
ProfileViewSelectors.getProcessesWithMemoryTrack(getState());
expect(processesWithMemoryTrack.has(thread.pid)).toEqual(false);
});
it('knows when a profile has a memory track', function () {
const { getState, profile } = getStoreWithMemoryTrack();
const [thread] = profile.threads;
const processesWithMemoryTrack =
ProfileViewSelectors.getProcessesWithMemoryTrack(getState());
expect(processesWithMemoryTrack.has(thread.pid)).toEqual(true);
});
});