1 files changed, 162 insertions, 0 deletions
diff --git a/modules/libmar/tests/unit/head_libmar.js b/modules/libmar/tests/unit/head_libmar.js
new file mode 100644
index 0000000000..49ce2e8ba6
--- /dev/null
+++ b/modules/libmar/tests/unit/head_libmar.js
@@ -0,0 +1,162 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const BIN_SUFFIX = mozinfo.bin_suffix;
+const tempDir = do_get_tempdir();
+
+/**
+ * Compares binary data of 2 arrays and throws if they aren't the same.
+ * Throws on mismatch, does nothing on match.
+ *
+ * @param arr1 The first array to compare
+ * @param arr2 The second array to compare
+ */
+function compareBinaryData(arr1, arr2) {
+  Assert.equal(arr1.length, arr2.length);
+  for (let i = 0; i < arr1.length; i++) {
+    if (arr1[i] != arr2[i]) {
+      throw new Error(
+        `Data differs at index ${i}, arr1: ${arr1[i]}, arr2: ${arr2[i]}`
+      );
+    }
+  }
+}
+
+/**
+ * Reads a file's data and returns it
+ *
+ * @param file The file to read the data from
+ * @return a byte array for the data in the file.
+ */
+function getBinaryFileData(file) {
+  let fileStream = Cc[
+    "@mozilla.org/network/file-input-stream;1"
+  ].createInstance(Ci.nsIFileInputStream);
+  // Open as RD_ONLY with default permissions.
+  fileStream.init(file, -1, -1, null);
+
+  // Check the returned size versus the expected size.
+  let stream = Cc["@mozilla.org/binaryinputstream;1"].createInstance(
+    Ci.nsIBinaryInputStream
+  );
+  stream.setInputStream(fileStream);
+  let bytes = stream.readByteArray(stream.available());
+  fileStream.close();
+  return bytes;
+}
+
+/**
+ * Runs each method in the passed in object
+ * Every method of the passed in object that starts with test_ will be ran
+ * The cleanup_per_test method of the object will be run right away, it will be
+ * registered to be the cleanup function, and it will be run between each test.
+ *
+ * @return The number of tests ran
+ */
+function run_tests(obj) {
+  let cleanup_per_test = obj.cleanup_per_test;
+  if (cleanup_per_test === undefined) {
+    cleanup_per_test = function __cleanup_per_test() {};
+  }
+
+  registerCleanupFunction(cleanup_per_test);
+
+  // Make sure there's nothing left over from a preious failed test
+  cleanup_per_test();
+
+  let ranCount = 0;
+  // hasOwnProperty ensures we only see direct properties and not all
+  for (let f in obj) {
+    if (
+      typeof obj[f] === "function" &&
+      obj.hasOwnProperty(f) &&
+      f.toString().indexOf("test_") === 0
+    ) {
+      obj[f]();
+      cleanup_per_test();
+      ranCount++;
+    }
+  }
+  return ranCount;
+}
+
+/**
+ * Creates a MAR file with the content of files.
+ *
+ * @param outMAR  The file where the MAR should be created to
+ * @param dataDir The directory where the relative file paths exist
+ * @param files   The relative file paths of the files to include in the MAR
+ */
+function createMAR(outMAR, dataDir, files) {
+  // You cannot create an empy MAR.
+  Assert.ok(!!files.length);
+
+  // Get an nsIProcess to the signmar binary.
+  let process = Cc["@mozilla.org/process/util;1"].createInstance(Ci.nsIProcess);
+  let signmarBin = do_get_file("signmar" + BIN_SUFFIX);
+
+  // Make sure the signmar binary exists and is an executable.
+  Assert.ok(signmarBin.exists());
+  Assert.ok(signmarBin.isExecutable());
+
+  // Ensure on non Windows platforms we encode the same permissions
+  // as the refernence MARs contain.  On Windows this is also safe.
+  // The reference MAR files have permissions of 0o664, so in case
+  // someone is running these tests locally with another permission
+  // (perhaps 0o777), make sure that we encode them as 0o664.
+  for (let filePath of files) {
+    let f = dataDir.clone();
+    f.append(filePath);
+    f.permissions = 0o664;
+  }
+
+  // Setup the command line arguments to create the MAR.
+  let args = [
+    "-C",
+    dataDir.path,
+    "-H",
+    "@MAR_CHANNEL_ID@",
+    "-V",
+    "13.0a1",
+    "-c",
+    outMAR.path,
+  ];
+  args = args.concat(files);
+
+  info("Running: " + signmarBin.path + " " + args.join(" "));
+  process.init(signmarBin);
+  process.run(true, args, args.length);
+
+  // Verify signmar returned 0 for success.
+  Assert.equal(process.exitValue, 0);
+
+  // Verify the out MAR file actually exists.
+  Assert.ok(outMAR.exists());
+}
+
+/**
+ * Extracts a MAR file to the specified output directory.
+ *
+ * @param mar     The MAR file that should be matched
+ * @param dataDir The directory to extract to
+ */
+function extractMAR(mar, dataDir) {
+  // Get an nsIProcess to the signmar binary.
+  let process = Cc["@mozilla.org/process/util;1"].createInstance(Ci.nsIProcess);
+  let signmarBin = do_get_file("signmar" + BIN_SUFFIX);
+
+  // Make sure the signmar binary exists and is an executable.
+  Assert.ok(signmarBin.exists());
+  Assert.ok(signmarBin.isExecutable());
+
+  // Setup the command line arguments to extract the MAR.
+  let args = ["-C", dataDir.path, "-x", mar.path];
+
+  info("Running: " + signmarBin.path + " " + args.join(" "));
+  process.init(signmarBin);
+  process.run(true, args, args.length);
+
+  return process.exitValue;
+}