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browser/devtools/debugger/test/browser_dbg_pretty-print-06.js@b8a032363ba2 (annotated)

browser/devtools/debugger/test/browser_dbg_pretty-print-06.js

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	/* Any copyright is dedicated to the Public Domain.
michael@0	2	http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0	3
michael@0	4	/**
michael@0	5	* Make sure that prettifying JS sources with type errors works as expected.
michael@0	6	*/
michael@0	7
michael@0	8	const TAB_URL = EXAMPLE_URL + "doc_included-script.html";
michael@0	9	const JS_URL = EXAMPLE_URL + "code_location-changes.js";
michael@0	10
michael@0	11	let gTab, gDebuggee, gPanel, gDebugger, gClient;
michael@0	12	let gEditor, gSources, gControllerSources, gPrettyPrinted;
michael@0	13
michael@0	14	function test() {
michael@0	15	initDebugger(TAB_URL).then(([aTab, aDebuggee, aPanel]) => {
michael@0	16	gTab = aTab;
michael@0	17	gDebuggee = aDebuggee;
michael@0	18	gPanel = aPanel;
michael@0	19	gDebugger = gPanel.panelWin;
michael@0	20	gClient = gDebugger.gClient;
michael@0	21	gEditor = gDebugger.DebuggerView.editor;
michael@0	22	gSources = gDebugger.DebuggerView.Sources;
michael@0	23	gControllerSources = gDebugger.DebuggerController.SourceScripts;
michael@0	24
michael@0	25	// We can't feed javascript files with syntax errors to the debugger,
michael@0	26	// because they will never run, thus sometimes getting gc'd before the
michael@0	27	// debugger is opened, or even before the target finishes navigating.
michael@0	28	// Make the client lie about being able to parse perfectly fine code.
michael@0	29	gClient.request = (function (aOriginalRequestMethod) {
michael@0	30	return function (aPacket, aCallback) {
michael@0	31	if (aPacket.type == "prettyPrint") {
michael@0	32	gPrettyPrinted = true;
michael@0	33	return executeSoon(() => aCallback({ error: "prettyPrintError" }));
michael@0	34	}
michael@0	35	return aOriginalRequestMethod(aPacket, aCallback);
michael@0	36	};
michael@0	37	}(gClient.request));
michael@0	38
michael@0	39	Task.spawn(function() {
michael@0	40	yield waitForSourceShown(gPanel, JS_URL);
michael@0	41
michael@0	42	// From this point onward, the source editor's text should never change.
michael@0	43	gEditor.once("change", () => {
michael@0	44	ok(false, "The source editor text shouldn't have changed.");
michael@0	45	});
michael@0	46
michael@0	47	is(gSources.selectedValue, JS_URL,
michael@0	48	"The correct source is currently selected.");
michael@0	49	ok(gEditor.getText().contains("myFunction"),
michael@0	50	"The source shouldn't be pretty printed yet.");
michael@0	51
michael@0	52	clickPrettyPrintButton();
michael@0	53
michael@0	54	let { source } = gSources.selectedItem.attachment;
michael@0	55	try {
michael@0	56	yield gControllerSources.togglePrettyPrint(source);
michael@0	57	ok(false, "The promise for a prettified source should be rejected!");
michael@0	58	} catch ([source, error]) {
michael@0	59	ok(error.contains("prettyPrintError"),
michael@0	60	"The promise was correctly rejected with a meaningful message.");
michael@0	61	}
michael@0	62
michael@0	63	let [source, text] = yield gControllerSources.getText(source);
michael@0	64	is(gSources.selectedValue, JS_URL,
michael@0	65	"The correct source is still selected.");
michael@0	66	ok(gEditor.getText().contains("myFunction"),
michael@0	67	"The displayed source hasn't changed.");
michael@0	68	ok(text.contains("myFunction"),
michael@0	69	"The cached source text wasn't altered in any way.");
michael@0	70
michael@0	71	is(gPrettyPrinted, true,
michael@0	72	"The hijacked pretty print method was executed.");
michael@0	73
michael@0	74	yield closeDebuggerAndFinish(gPanel);
michael@0	75	});
michael@0	76	});
michael@0	77	}
michael@0	78
michael@0	79	function clickPrettyPrintButton() {
michael@0	80	gDebugger.document.getElementById("pretty-print").click();
michael@0	81	}
michael@0	82
michael@0	83	registerCleanupFunction(function() {
michael@0	84	gTab = null;
michael@0	85	gDebuggee = null;
michael@0	86	gPanel = null;
michael@0	87	gDebugger = null;
michael@0	88	gClient = null;
michael@0	89	gEditor = null;
michael@0	90	gSources = null;
michael@0	91	gControllerSources = null;
michael@0	92	gPrettyPrinted = null;
michael@0	93	});