mozilla-central/devtools/client/debugger/test/mochitest/browser_dbg-reducer-cleanup-on-target-removal.js (file symbol)

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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/>. */
// Verify that reducers are cleared on target removal
"use strict";
const testServer = createVersionizedHttpTestServer(
"examples/sourcemaps-reload-uncompressed"
);
const IFRAME_TEST_URL = testServer.urlFor("index.html");
// Embed the integration test page into an iframe
<iframe src="${encodeURI(IFRAME_TEST_URL)}"></iframe><body>`;
add_task(async function () {
if (!isEveryFrameTargetEnabled()) {
ok(true, "This test is disabled without EFT");
return;
}
await pushPref("devtools.debugger.map-scopes-enabled", true);
const dbg = await initDebuggerWithAbsoluteURL(TEST_URI);
const frameBC = await SpecialPowers.spawn(
gBrowser.selectedBrowser,
[],
function () {
return content.document.querySelector("iframe").browsingContext;
}
);
info("Pause on an original source to ensure filling the reducers");
await waitForSource(dbg, "original.js");
await selectSource(dbg, "original.js");
await addBreakpoint(dbg, "original.js", 8);
// The following task will never resolve as the call to foo()
// will be paused and never released
PromiseTestUtils.allowMatchingRejectionsGlobally(
/Actor 'SpecialPowers' destroyed before query 'Spawn'/
);
SpecialPowers.spawn(frameBC, [], function () {
return content.wrappedJSObject.foo();
});
await waitForPaused(dbg, "original.js");
await assertPausedAtSourceAndLine(dbg, findSource(dbg, "original.js").id, 8);
// Also open the genertated source to populate the reducer for original and generated sources
await dbg.actions.jumpToMappedSelectedLocation();
await waitForSelectedSource(dbg, "bundle.js");
// Assert that reducer do have some data before remove the target.
Assert.greater(dbg.selectors.getSourceCount(), 0, "Some sources exists");
is(dbg.selectors.getBreakpointCount(), 1, "There is one breakpoint");
is(dbg.selectors.getSourceTabs().length, 2, "Two tabs are opened");
Assert.greater(
dbg.selectors.getAllThreads().length,
1,
"There is many targets/threads involved by the intergration test"
);
ok(
!!dbg.selectors.getSourcesTreeSources().length,
"There is sources displayed in the SourceTree"
);
is(
dbg.selectors.getSelectedLocation().source.id,
findSource(dbg, "bundle.js").id,
"The generated source is reporeted as selected"
);
ok(!!dbg.selectors.getFocusedSourceItem(), "Has a focused source tree item");
Assert.greater(
dbg.selectors.getExpandedState().size,
0,
"Has some expanded source tree items"
);
// But also directly querying the reducer states, as we don't necessarily
// have selectors exposing their raw internals
let state = dbg.store.getState();
ok(
!!Object.keys(state.ast.mutableOriginalSourcesSymbols).length,
"Some symbols for original sources exists"
);
ok(
!!Object.keys(state.ast.mutableSourceActorSymbols).length,
"Some symbols for generated sources exists"
);
ok(!!Object.keys(state.ast.mutableInScopeLines).length, "Some scopes exists");
Assert.greater(
state.sourceActors.mutableSourceActors.size,
0,
"Some source actor exists"
);
Assert.greater(
state.sourceActors.mutableBreakableLines.size,
0,
"Some breakable line exists"
);
Assert.greater(
state.sources.mutableBreakpointPositions.size,
0,
"Some breakable positions exists"
);
Assert.greater(
state.sources.mutableOriginalBreakableLines.size,
0,
"Some original breakable lines exists"
);
info("Remove the iframe");
await SpecialPowers.spawn(gBrowser.selectedBrowser, [], function () {
content.document.querySelector("iframe").remove();
});
info("Wait for all sources to be removed");
await waitFor(() => dbg.selectors.getSourceCount() == 0);
info("Wait for target to be removed");
await waitFor(() => dbg.selectors.getAllThreads().length == 1);
// The pause thread being removed, we are no longer paused.
assertNotPaused(dbg);
// Assert they largest reducer data is cleared on thread removal
// First via common selectors
is(dbg.selectors.getSourceCount(), 0, "No sources exists");
is(dbg.selectors.getBreakpointCount(), 0, "No breakpoints exists");
is(dbg.selectors.getSourceTabs().length, 0, "No tabs exists");
is(
dbg.selectors.getAllThreads().length,
1,
"There is only the top level target/thread"
);
is(
dbg.selectors.getSourcesTreeSources().length,
0,
"There is no source in the SourceTree"
);
is(
dbg.selectors.getSelectedLocation(),
null,
"Selected location is nullified as the selected source has been removed"
);
ok(!dbg.selectors.getFocusedSourceItem(), "No more focused source tree item");
is(
dbg.selectors.getExpandedState().size,
0,
"No more expanded source tree items"
);
// But also directly querying the reducer states, as we don't necessarily
// have selectors exposing their raw internals
state = dbg.store.getState();
is(
Object.keys(state.ast.mutableOriginalSourcesSymbols).length,
0,
"No symbols for original sources exists"
);
is(
Object.keys(state.ast.mutableSourceActorSymbols).length,
0,
"No symbols for generated sources exists"
);
is(Object.keys(state.ast.mutableInScopeLines).length, 0, "No scopes exists");
is(state.sourceActors.mutableSourceActors.size, 0, "No source actor exists");
is(
state.sourceActors.mutableBreakableLines.size,
0,
"No breakable line exists"
);
is(
state.sources.mutableBreakpointPositions.size,
0,
"No breakable positions exists"
);
is(
state.sources.mutableOriginalBreakableLines.size,
0,
"No original breakable lines exists"
);
});