1 files changed, 94 insertions, 0 deletions
diff --git a/cros/requisition_util_unittest.cc b/cros/requisition_util_unittest.cc
new file mode 100644
index 00000000..269585eb
--- /dev/null
+++ b/cros/requisition_util_unittest.cc
@@ -0,0 +1,94 @@
+//
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "update_engine/cros/requisition_util.h"
+
+#include <string>
+
+#include <base/files/file_path.h>
+#include <base/files/file_util.h>
+#include <base/files/scoped_temp_dir.h>
+#include <gtest/gtest.h>
+
+#include "update_engine/common/test_utils.h"
+
+using chromeos_update_engine::test_utils::WriteFileString;
+using std::string;
+
+namespace {
+
+const char kRemoraJSON[] =
+    "{\n"
+    "   \"the_list\": [ \"val1\", \"val2\" ],\n"
+    "   \"enrollment\": {\n"
+    "      \"autostart\": true,\n"
+    "      \"can_exit\": false,\n"
+    "      \"device_requisition\": \"remora\"\n"
+    "   },\n"
+    "   \"some_String\": \"1337\",\n"
+    "   \"some_int\": 42\n"
+    "}\n";
+
+const char kNoEnrollmentJSON[] =
+    "{\n"
+    "   \"the_list\": [ \"val1\", \"val2\" ],\n"
+    "   \"enrollment\": {\n"
+    "      \"autostart\": true,\n"
+    "      \"can_exit\": false,\n"
+    "      \"device_requisition\": \"\"\n"
+    "   },\n"
+    "   \"some_String\": \"1337\",\n"
+    "   \"some_int\": 42\n"
+    "}\n";
+}  // namespace
+
+namespace chromeos_update_engine {
+
+class RequisitionUtilTest : public ::testing::Test {
+ protected:
+  void SetUp() override { ASSERT_TRUE(root_dir_.CreateUniqueTempDir()); }
+
+  void WriteJsonToFile(const string& json) {
+    path_ =
+        base::FilePath(root_dir_.GetPath().value() + "/chronos/Local State");
+    ASSERT_TRUE(base::CreateDirectory(path_.DirName()));
+    ASSERT_TRUE(WriteFileString(path_.value(), json));
+  }
+
+  base::ScopedTempDir root_dir_;
+  base::FilePath path_;
+};
+
+TEST_F(RequisitionUtilTest, BadJsonReturnsEmpty) {
+  WriteJsonToFile("this isn't JSON");
+  EXPECT_EQ("", ReadDeviceRequisition(path_));
+}
+
+TEST_F(RequisitionUtilTest, NoFileReturnsEmpty) {
+  EXPECT_EQ("", ReadDeviceRequisition(path_));
+}
+
+TEST_F(RequisitionUtilTest, EnrollmentRequisition) {
+  WriteJsonToFile(kRemoraJSON);
+  EXPECT_EQ("remora", ReadDeviceRequisition(path_));
+}
+
+TEST_F(RequisitionUtilTest, BlankEnrollment) {
+  WriteJsonToFile(kNoEnrollmentJSON);
+  EXPECT_EQ("", ReadDeviceRequisition(path_));
+}
+
+}  // namespace chromeos_update_engine