From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:32:43 +0200
Subject: Adding upstream version 1:115.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../browser/browser_AttributionCode_telemetry.js   | 101 +++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 browser/components/attribution/test/browser/browser_AttributionCode_telemetry.js

(limited to 'browser/components/attribution/test/browser/browser_AttributionCode_telemetry.js')

diff --git a/browser/components/attribution/test/browser/browser_AttributionCode_telemetry.js b/browser/components/attribution/test/browser/browser_AttributionCode_telemetry.js
new file mode 100644
index 0000000000..43888a1e74
--- /dev/null
+++ b/browser/components/attribution/test/browser/browser_AttributionCode_telemetry.js
@@ -0,0 +1,101 @@
+ChromeUtils.defineESModuleGetters(this, {
+  TelemetryTestUtils: "resource://testing-common/TelemetryTestUtils.sys.mjs",
+});
+const { AttributionIOUtils } = ChromeUtils.importESModule(
+  "resource:///modules/AttributionCode.sys.mjs"
+);
+
+add_task(async function test_parse_error() {
+  if (AppConstants.platform == "macosx") {
+    // On macOS, the underlying data is the OS-level quarantine
+    // database.  We need to start from nothing to isolate the cache.
+    const { MacAttribution } = ChromeUtils.importESModule(
+      "resource:///modules/MacAttribution.sys.mjs"
+    );
+    let attributionSvc = Cc["@mozilla.org/mac-attribution;1"].getService(
+      Ci.nsIMacAttributionService
+    );
+    attributionSvc.setReferrerUrl(MacAttribution.applicationPath, "", true);
+  }
+
+  registerCleanupFunction(async () => {
+    await AttributionCode.deleteFileAsync();
+    AttributionCode._clearCache();
+  });
+  const histogram = Services.telemetry.getHistogramById(
+    "BROWSER_ATTRIBUTION_ERRORS"
+  );
+  // Delete the file to trigger a read error
+  await AttributionCode.deleteFileAsync();
+  AttributionCode._clearCache();
+  // Clear any existing telemetry
+  histogram.clear();
+  let result = await AttributionCode.getAttrDataAsync();
+  Assert.deepEqual(
+    result,
+    {},
+    "Shouldn't be able to get a result if the file doesn't exist"
+  );
+
+  // Write an invalid file to trigger a decode error
+  // Skip this for MSIX packages though - we can't write or delete
+  // the attribution file there, everything happens in memory instead.
+  if (
+    AppConstants.platform === "win" &&
+    !Services.sysinfo.getProperty("hasWinPackageId")
+  ) {
+    await AttributionCode.deleteFileAsync();
+    AttributionCode._clearCache();
+    // Empty string is valid on macOS.
+    await AttributionCode.writeAttributionFile(
+      AppConstants.platform == "macosx" ? "invalid" : ""
+    );
+    result = await AttributionCode.getAttrDataAsync();
+    Assert.deepEqual(result, {}, "Should have failed to parse");
+
+    // `assertHistogram` also ensures that `read_error` index 0 is 0
+    // as we should not have recorded telemetry from the previous `getAttrDataAsync` call
+    TelemetryTestUtils.assertHistogram(histogram, INDEX_DECODE_ERROR, 1);
+    // Reset
+    histogram.clear();
+  }
+});
+
+add_task(async function test_read_error() {
+  registerCleanupFunction(async () => {
+    await AttributionCode.deleteFileAsync();
+    AttributionCode._clearCache();
+  });
+  const histogram = Services.telemetry.getHistogramById(
+    "BROWSER_ATTRIBUTION_ERRORS"
+  );
+
+  // Delete the file to trigger a read error
+  await AttributionCode.deleteFileAsync();
+  AttributionCode._clearCache();
+  // Clear any existing telemetry
+  histogram.clear();
+
+  // Force the file to exist but then cause a read error
+  let oldExists = AttributionIOUtils.exists;
+  AttributionIOUtils.exists = () => true;
+
+  let oldRead = AttributionIOUtils.read;
+  AttributionIOUtils.read = () => {
+    throw new Error("read_error");
+  };
+
+  registerCleanupFunction(() => {
+    AttributionIOUtils.exists = oldExists;
+    AttributionIOUtils.read = oldRead;
+  });
+
+  // Try to read the file
+  await AttributionCode.getAttrDataAsync();
+
+  // It should record the read error
+  TelemetryTestUtils.assertHistogram(histogram, INDEX_READ_ERROR, 1);
+
+  // Clear any existing telemetry
+  histogram.clear();
+});
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