1 files changed, 111 insertions, 0 deletions
diff --git a/update_manager/minimum_version_policy_impl_unittest.cc b/update_manager/minimum_version_policy_impl_unittest.cc
new file mode 100644
index 00000000..8e4dba55
--- /dev/null
+++ b/update_manager/minimum_version_policy_impl_unittest.cc
@@ -0,0 +1,111 @@
+//
+// 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 <memory>
+
+#include "update_engine/update_manager/minimum_version_policy_impl.h"
+#include "update_engine/update_manager/policy_test_utils.h"
+
+using chromeos_update_engine::ErrorCode;
+using chromeos_update_engine::InstallPlan;
+
+namespace {
+
+const char* kInvalidVersion = "13315.woops.12";
+const char* kOldVersion = "13315.60.12";
+const char* kNewVersion = "13315.60.15";
+
+}  // namespace
+
+namespace chromeos_update_manager {
+
+class UmMinimumVersionPolicyImplTest : public UmPolicyTestBase {
+ protected:
+  UmMinimumVersionPolicyImplTest() {
+    policy_ = std::make_unique<MinimumVersionPolicyImpl>();
+  }
+
+  void SetCurrentVersion(const std::string& version) {
+    fake_state_.system_provider()->var_chromeos_version()->reset(
+        new base::Version(version));
+  }
+
+  void SetMinimumVersion(const std::string& version) {
+    fake_state_.device_policy_provider()->var_device_minimum_version()->reset(
+        new base::Version(version));
+  }
+
+  void TestPolicy(const EvalStatus& expected_status) {
+    InstallPlan install_plan;
+    ErrorCode result;
+    ExpectPolicyStatus(
+        expected_status, &Policy::UpdateCanBeApplied, &result, &install_plan);
+    if (expected_status == EvalStatus::kSucceeded)
+      EXPECT_EQ(result, ErrorCode::kSuccess);
+  }
+};
+
+TEST_F(UmMinimumVersionPolicyImplTest, ContinueWhenCurrentVersionIsNotSet) {
+  SetMinimumVersion(kNewVersion);
+
+  TestPolicy(EvalStatus::kContinue);
+}
+
+TEST_F(UmMinimumVersionPolicyImplTest, ContinueWhenCurrentVersionIsInvalid) {
+  SetCurrentVersion(kInvalidVersion);
+  SetMinimumVersion(kNewVersion);
+
+  TestPolicy(EvalStatus::kContinue);
+}
+
+TEST_F(UmMinimumVersionPolicyImplTest, ContinueWhenMinumumVersionIsNotSet) {
+  SetCurrentVersion(kOldVersion);
+
+  TestPolicy(EvalStatus::kContinue);
+}
+
+TEST_F(UmMinimumVersionPolicyImplTest, ContinueWhenMinumumVersionIsInvalid) {
+  SetCurrentVersion(kOldVersion);
+  SetMinimumVersion(kInvalidVersion);
+
+  TestPolicy(EvalStatus::kContinue);
+}
+
+TEST_F(UmMinimumVersionPolicyImplTest,
+       ContinueWhenCurrentVersionIsGreaterThanMinimumVersion) {
+  SetCurrentVersion(kNewVersion);
+  SetMinimumVersion(kOldVersion);
+
+  TestPolicy(EvalStatus::kContinue);
+}
+
+TEST_F(UmMinimumVersionPolicyImplTest,
+       ContinueWhenCurrentVersionIsEqualToMinimumVersion) {
+  SetCurrentVersion(kNewVersion);
+  SetMinimumVersion(kNewVersion);
+
+  TestPolicy(EvalStatus::kContinue);
+}
+
+TEST_F(UmMinimumVersionPolicyImplTest,
+       SuccessWhenCurrentVersionIsLessThanMinimumVersion) {
+  SetCurrentVersion(kOldVersion);
+  SetMinimumVersion(kNewVersion);
+
+  TestPolicy(EvalStatus::kSucceeded);
+}
+
+}  // namespace chromeos_update_manager