diff options
Diffstat (limited to 'devtools/client/memory/test/xpcshell/test_individuals_02.js')
-rw-r--r-- | devtools/client/memory/test/xpcshell/test_individuals_02.js | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/devtools/client/memory/test/xpcshell/test_individuals_02.js b/devtools/client/memory/test/xpcshell/test_individuals_02.js new file mode 100644 index 0000000000..76d34187a0 --- /dev/null +++ b/devtools/client/memory/test/xpcshell/test_individuals_02.js @@ -0,0 +1,91 @@ +/* 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 middle of computing +// a dominator tree. + +const { + censusState, + dominatorTreeState, + viewState, + individualsState, +} = require("resource://devtools/client/memory/constants.js"); +const { + fetchIndividuals, + takeSnapshotAndCensus, + computeDominatorTree, +} = require("resource://devtools/client/memory/actions/snapshot.js"); +const { + changeView, +} = require("resource://devtools/client/memory/actions/view.js"); + +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; + + equal(getState().individuals, null, "no individuals state by default"); + + dispatch(changeView(viewState.CENSUS)); + dispatch(takeSnapshotAndCensus(front, heapWorker)); + await waitUntilCensusState(store, s => s.census, [censusState.SAVED]); + + const root = getState().snapshots[0].census.report; + ok(root, "Should have a census"); + + const reportLeafIndex = findReportLeafIndex(root); + ok(reportLeafIndex, "Should get a reportLeafIndex"); + + const snapshotId = getState().snapshots[0].id; + ok(snapshotId, "Should have a snapshot id"); + + const breakdown = getState().snapshots[0].census.display.breakdown; + ok(breakdown, "Should have a breakdown"); + + // Start computing a dominator tree. + + dispatch(computeDominatorTree(heapWorker, snapshotId)); + equal( + getState().snapshots[0].dominatorTree.state, + dominatorTreeState.COMPUTING, + "Should be computing dominator tree" + ); + + // Fetch individuals in the middle of computing the dominator tree. + + dispatch( + fetchIndividuals(heapWorker, snapshotId, breakdown, reportLeafIndex) + ); + + // Wait for each expected state. + 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, + "Should have a positive number of nodes" + ); + + heapWorker.destroy(); + await front.detach(); +}); |