Implementation of 'aapt2 apkinfo' command.

Bug: b/228950123
Test: Dump_test.cpp, ApkInfo_test.cpp
Change-Id: Ibc63d826df5b7e83a1e61560a2d2fcad471c128d
diff --git a/tools/aapt2/cmd/ApkInfo_test.cpp b/tools/aapt2/cmd/ApkInfo_test.cpp
new file mode 100644
index 0000000..70539c0
--- /dev/null
+++ b/tools/aapt2/cmd/ApkInfo_test.cpp
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2022 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 "ApkInfo.h"
+
+#include "ApkInfo.pb.h"
+#include "LoadedApk.h"
+#include "android-base/unique_fd.h"
+#include "io/StringStream.h"
+#include "test/Test.h"
+
+using testing::Eq;
+using testing::Ne;
+
+namespace aapt {
+
+using ApkInfoTest = CommandTestFixture;
+
+void AssertProducedAndExpectedInfo(const std::string& produced_path,
+                                   const std::string& expected_path) {
+  android::base::unique_fd fd(open(produced_path.c_str(), O_RDONLY));
+  ASSERT_NE(fd.get(), -1);
+
+  pb::ApkInfo produced_apk_info;
+  produced_apk_info.ParseFromFileDescriptor(fd.get());
+
+  std::string expected;
+  ::android::base::ReadFileToString(expected_path, &expected);
+
+  EXPECT_EQ(produced_apk_info.DebugString(), expected);
+}
+
+class NoopDiagnostics : public IDiagnostics {
+ public:
+  void Log(Level level, DiagMessageActual& actualMsg) override {
+  }
+};
+static NoopDiagnostics noop_diag;
+
+TEST_F(ApkInfoTest, ApkInfoWithBadging) {
+  auto apk_path = file::BuildPath(
+      {android::base::GetExecutableDirectory(), "integration-tests", "DumpTest", "components.apk"});
+  auto out_info_path = GetTestPath("apk_info.pb");
+
+  ApkInfoCommand command(&noop_diag);
+  command.Execute({"-o", out_info_path, apk_path}, &std::cerr);
+
+  auto expected_path =
+      file::BuildPath({android::base::GetExecutableDirectory(), "integration-tests", "DumpTest",
+                       "components_expected_proto.txt"});
+  AssertProducedAndExpectedInfo(out_info_path, expected_path);
+}
+
+TEST_F(ApkInfoTest, FullApkInfo) {
+  auto apk_path = file::BuildPath(
+      {android::base::GetExecutableDirectory(), "integration-tests", "DumpTest", "components.apk"});
+  auto out_info_path = GetTestPath("apk_info.pb");
+
+  ApkInfoCommand command(&noop_diag);
+  command.Execute({"-o", out_info_path, "--include-resource-table", "--include-xml",
+                   "AndroidManifest.xml", "--include-xml", "res/oy.xml", apk_path},
+                  &std::cerr);
+
+  auto expected_path =
+      file::BuildPath({android::base::GetExecutableDirectory(), "integration-tests", "DumpTest",
+                       "components_full_proto.txt"});
+  AssertProducedAndExpectedInfo(out_info_path, expected_path);
+}
+
+}  // namespace aapt
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