Bug 1811796 - Change Troubleshoot.sys.mjs to use console.error rather than Cu.reportError. r=mossop

Depends on D167517

Differential Revision: https://phabricator.services.mozilla.com/D167518

toolkit/components/normandy/test/NormandyTestUtils.jsm

@@ -356,103 +356,4 @@ const NormandyTestUtils = {
       };
     };
   },
-
-  /**
-   * Creates an nsIConsoleListener that records all console messages. The
-   * listener will be provided in the options argument to the test as
-   * `consoleSpy`, and will have methods to assert that expected messages were
-   * received. */
-  withConsoleSpy() {
-    return function(testFunction) {
-      return async function wrappedTestFunction(args) {
-        const consoleSpy = new TestConsoleListener();
-        console.log("Starting to track console messages");
-        Services.console.registerListener(consoleSpy);
-        try {
-          await testFunction({ ...args, consoleSpy });
-        } finally {
-          Services.console.unregisterListener(consoleSpy);
-          console.log("Stopped monitoring console messages");
-        }
-      };
-    };
-  },
 };
-
-class TestConsoleListener {
-  constructor() {
-    this.messages = [];
-  }
-
-  /**
-   * Check that every item listed has been received on the console. Items can
-   * be strings or regexes.
-   *
-   * Strings must be exact matches. Regexes must match according to
-   * `RegExp::test`, which is to say they are not automatically bound to the
-   * start or end of the message. If this is desired, include `^` and/or `$` in
-   * your expression.
-   *
-   * @param {String|RegExp} expectedMessages
-   * @param {String} [assertMessage] A message to include in the assertion message.
-   * @return {boolean}
-   */
-  assertAtLeast(
-    expectedMessages,
-    assertMessage = "Console should contain the expected messages."
-  ) {
-    let expectedSet = new Set(expectedMessages);
-    for (let { message } of this.messages) {
-      let found = false;
-      for (let expected of expectedSet) {
-        if (expected.test && expected.test(message)) {
-          found = true;
-        } else if (expected === message) {
-          found = true;
-        }
-        if (found) {
-          expectedSet.delete(expected);
-          break;
-        }
-      }
-    }
-    if (expectedSet.size) {
-      let remaining = Array.from(expectedSet);
-      let errorMessageParts = [];
-      if (assertMessage) {
-        errorMessageParts.push(assertMessage);
-      }
-      errorMessageParts.push(`"${remaining[0]}"`);
-      if (remaining.length > 1) {
-        errorMessageParts.push(`and ${remaining.length - 1} more log messages`);
-      }
-      errorMessageParts.push("expected in the console but not found.");
-      testGlobals.Assert.equal(
-        expectedSet.size,
-        0,
-        errorMessageParts.join(" ")
-      );
-    } else {
-      testGlobals.Assert.equal(expectedSet.size, 0, assertMessage);
-    }
-  }
-
-  // XPCOM
-
-  get QueryInterface() {
-    return ChromeUtils.generateQI(["nsIConsoleListener"]);
-  }
-
-  // nsIObserver
-
-  /**
-   * Takes all script error messages that do not have an exception attached,
-   * and emits a "Log.entryAdded" event.
-   *
-   * @param {nsIConsoleMessage} message
-   *     Message originating from the nsIConsoleService.
-   */
-  observe(message) {
-    this.messages.push(message);
-  }
-}

toolkit/modules/Troubleshoot.sys.mjs

@@ -190,7 +190,7 @@ export var Troubleshoot = {
           dataProviders[name](providerDone.bind(null, name));
         } catch (err) {
           let msg = "Troubleshoot data provider failed: " + name + "\n" + err;
-          Cu.reportError(msg);
+          console.error(msg);
           providerDone(name, msg);
         }
       }
@@ -920,7 +920,7 @@ var dataProviders = {
       ].map(promise =>
         promise
           .catch(error => {
-            Cu.reportError(error);
+            console.error(error);
             return [];
           })
           .then(items => items.sort((a, b) => a.slug.localeCompare(b.slug)))

toolkit/modules/tests/browser/browser_Troubleshoot.js

@@ -222,8 +222,8 @@ add_task(function normandyErrorHandling() {
     NormandyTestUtils.withStub(PreferenceRollouts, "getAllActive", {
       returnValue: Promise.reject("Expected error - PreferenceRollouts"),
     }),
-    NormandyTestUtils.withConsoleSpy(),
-    async function testNormandyErrorHandling({ consoleSpy }) {
+    async function testNormandyErrorHandling() {
+      let consoleEndFn = TestUtils.listenForConsoleMessages();
       let snapshot = await Troubleshoot.snapshot();
       let info = snapshot.normandy;
       Assert.deepEqual(
@@ -241,12 +241,33 @@ add_task(function normandyErrorHandling() {
         [],
         "pref rollouts should be an empty list if there is an error"
       );
-
-      consoleSpy.assertAtLeast([
+      let msgs = await consoleEndFn();
+      let expectedSet = new Set([
         /Expected error - PreferenceExperiments/,
         /Expected error - AddonStudies/,
         /Expected error - PreferenceRollouts/,
       ]);
+
+      for (let msg of msgs) {
+        msg = msg.wrappedJSObject;
+        if (msg.level != "error") {
+          continue;
+        }
+
+        let msgContents = msg.arguments[0];
+        for (let expected of expectedSet) {
+          if (expected.test(msgContents)) {
+            expectedSet.delete(expected);
+            break;
+          }
+        }
+      }
+
+      Assert.equal(
+        expectedSet.size,
+        0,
+        "Should have no messages left in the expected set"
+      );
     }
   )();
 });