michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: /**
michael@0:  * Make sure that prettifying JS sources with type errors works as expected.
michael@0:  */
michael@0: 
michael@0: const TAB_URL = EXAMPLE_URL + "doc_included-script.html";
michael@0: const JS_URL = EXAMPLE_URL + "code_location-changes.js";
michael@0: 
michael@0: let gTab, gDebuggee, gPanel, gDebugger, gClient;
michael@0: let gEditor, gSources, gControllerSources, gPrettyPrinted;
michael@0: 
michael@0: function test() {
michael@0:   initDebugger(TAB_URL).then(([aTab, aDebuggee, aPanel]) => {
michael@0:     gTab = aTab;
michael@0:     gDebuggee = aDebuggee;
michael@0:     gPanel = aPanel;
michael@0:     gDebugger = gPanel.panelWin;
michael@0:     gClient = gDebugger.gClient;
michael@0:     gEditor = gDebugger.DebuggerView.editor;
michael@0:     gSources = gDebugger.DebuggerView.Sources;
michael@0:     gControllerSources = gDebugger.DebuggerController.SourceScripts;
michael@0: 
michael@0:     // We can't feed javascript files with syntax errors to the debugger,
michael@0:     // because they will never run, thus sometimes getting gc'd before the
michael@0:     // debugger is opened, or even before the target finishes navigating.
michael@0:     // Make the client lie about being able to parse perfectly fine code.
michael@0:     gClient.request = (function (aOriginalRequestMethod) {
michael@0:       return function (aPacket, aCallback) {
michael@0:         if (aPacket.type == "prettyPrint") {
michael@0:           gPrettyPrinted = true;
michael@0:           return executeSoon(() => aCallback({ error: "prettyPrintError" }));
michael@0:         }
michael@0:         return aOriginalRequestMethod(aPacket, aCallback);
michael@0:       };
michael@0:     }(gClient.request));
michael@0: 
michael@0:     Task.spawn(function() {
michael@0:       yield waitForSourceShown(gPanel, JS_URL);
michael@0: 
michael@0:       // From this point onward, the source editor's text should never change.
michael@0:       gEditor.once("change", () => {
michael@0:         ok(false, "The source editor text shouldn't have changed.");
michael@0:       });
michael@0: 
michael@0:       is(gSources.selectedValue, JS_URL,
michael@0:         "The correct source is currently selected.");
michael@0:       ok(gEditor.getText().contains("myFunction"),
michael@0:         "The source shouldn't be pretty printed yet.");
michael@0: 
michael@0:       clickPrettyPrintButton();
michael@0: 
michael@0:       let { source } = gSources.selectedItem.attachment;
michael@0:       try {
michael@0:         yield gControllerSources.togglePrettyPrint(source);
michael@0:         ok(false, "The promise for a prettified source should be rejected!");
michael@0:       } catch ([source, error]) {
michael@0:         ok(error.contains("prettyPrintError"),
michael@0:           "The promise was correctly rejected with a meaningful message.");
michael@0:       }
michael@0: 
michael@0:       let [source, text] = yield gControllerSources.getText(source);
michael@0:       is(gSources.selectedValue, JS_URL,
michael@0:         "The correct source is still selected.");
michael@0:       ok(gEditor.getText().contains("myFunction"),
michael@0:         "The displayed source hasn't changed.");
michael@0:       ok(text.contains("myFunction"),
michael@0:         "The cached source text wasn't altered in any way.");
michael@0: 
michael@0:       is(gPrettyPrinted, true,
michael@0:         "The hijacked pretty print method was executed.");
michael@0: 
michael@0:       yield closeDebuggerAndFinish(gPanel);
michael@0:     });
michael@0:   });
michael@0: }
michael@0: 
michael@0: function clickPrettyPrintButton() {
michael@0:   gDebugger.document.getElementById("pretty-print").click();
michael@0: }
michael@0: 
michael@0: registerCleanupFunction(function() {
michael@0:   gTab = null;
michael@0:   gDebuggee = null;
michael@0:   gPanel = null;
michael@0:   gDebugger = null;
michael@0:   gClient = null;
michael@0:   gEditor = null;
michael@0:   gSources = null;
michael@0:   gControllerSources = null;
michael@0:   gPrettyPrinted = null;
michael@0: });