1 files changed, 65 insertions, 0 deletions
diff --git a/b2g/components/test/unit/test_logshake_readLog_gonk.js b/b2g/components/test/unit/test_logshake_readLog_gonk.js
new file mode 100644
index 000000000..003723ad5
--- /dev/null
+++ b/b2g/components/test/unit/test_logshake_readLog_gonk.js
@@ -0,0 +1,65 @@
+/**
+ * Test the log capturing capabilities of LogShake.jsm under conditions that
+ * could cause races
+ */
+
+/* jshint moz: true, esnext: true */
+/* global Cu, LogCapture, LogShake, ok, add_test, run_next_test, dump,
+   XPCOMUtils, do_get_profile, OS, volumeService, Promise, equal,
+   setup_logshake_mocks */
+/* exported run_test */
+
+/* disable use strict warning */
+/* jshint -W097 */
+
+"use strict";
+
+function run_test() {
+  Cu.import("resource://gre/modules/LogShake.jsm");
+  run_next_test();
+}
+
+add_test(setup_logshake_mocks);
+
+add_test(function test_logShake_captureLogs_waits_to_read() {
+  // Enable LogShake
+  LogShake.init();
+
+  // Save no logs synchronously (except properties)
+  LogShake.LOGS_WITH_PARSERS = {};
+
+  LogShake.captureLogs().then(logResults => {
+    LogShake.uninit();
+
+    ok(logResults.logFilenames.length > 0, "Should have filenames");
+    ok(logResults.logPaths.length > 0, "Should have paths");
+    ok(!logResults.compressed, "Should not be compressed");
+
+    // This assumes that the about:memory reading will only fail under abnormal
+    // circumstances. It does not check for screenshot.png because
+    // systemAppFrame is unavailable during xpcshell tests.
+    let hasAboutMemory = false;
+
+    logResults.logFilenames.forEach(filename => {
+      // Because the about:memory log's filename has the PID in it we can not
+      // use simple equality but instead search for the "about_memory" part of
+      // the filename which will look like logshake-about_memory-{PID}.json.gz
+      if (filename.indexOf("about_memory") < 0) {
+        return;
+      }
+      hasAboutMemory = true;
+    });
+
+    ok(hasAboutMemory,
+       "LogShake's asynchronous read of about:memory should have succeeded.");
+
+    run_next_test();
+  },
+  error => {
+    LogShake.uninit();
+
+    ok(false, "Should not have received error: " + error);
+
+    run_next_test();
+  });
+});