Merge "Add unit tests to libprotoutil."

1 files changed, 170 insertions, 0 deletions

diff --git a/libs/protoutil/tests/ProtoOutputStream_test.cpp b/libs/protoutil/tests/ProtoOutputStream_test.cpp
new file mode 100644
index 000000000000..e8e155779829
--- /dev/null
+++ b/libs/protoutil/tests/ProtoOutputStream_test.cpp
@@ -0,0 +1,170 @@
+// Copyright (C) 2018 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 <android-base/file.h>
+#include <android-base/test_utils.h>
+#include <android/util/protobuf.h>
+#include <android/util/ProtoOutputStream.h>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include "frameworks/base/libs/protoutil/tests/test.pb.h"
+
+using namespace android::base;
+using namespace android::util;
+using ::testing::StrEq;
+
+static std::string flushToString(ProtoOutputStream* proto) {
+    TemporaryFile tf;
+    std::string content;
+
+    EXPECT_NE(tf.fd, -1);
+    EXPECT_TRUE(proto->flush(tf.fd));
+    EXPECT_TRUE(ReadFileToString(tf.path, &content));
+    return content;
+}
+
+static std::string iterateToString(ProtoOutputStream* proto) {
+    std::string content;
+    content.reserve(proto->size());
+    auto iter = proto->data();
+    while (iter.hasNext()) {
+        content.push_back(iter.next());
+    }
+    return content;
+}
+
+TEST(ProtoOutputStreamTest, Primitives) {
+    std::string s = "hello";
+    const char b[5] = { 'a', 'p', 'p', 'l', 'e' };
+
+    ProtoOutputStream proto;
+    EXPECT_TRUE(proto.write(FIELD_TYPE_INT32 | PrimitiveProto::kValInt32FieldNumber, 123));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_INT64 | PrimitiveProto::kValInt64FieldNumber, -1LL));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_FLOAT | PrimitiveProto::kValFloatFieldNumber, -23.5f));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_DOUBLE | PrimitiveProto::kValDoubleFieldNumber, 324.5));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_UINT32 | PrimitiveProto::kValUint32FieldNumber, 3424));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_UINT64 | PrimitiveProto::kValUint64FieldNumber, 57LL));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_FIXED32 | PrimitiveProto::kValFixed32FieldNumber, -20));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_FIXED64 | PrimitiveProto::kValFixed64FieldNumber, -37LL));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_BOOL | PrimitiveProto::kValBoolFieldNumber, true));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_STRING | PrimitiveProto::kValStringFieldNumber, s));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_BYTES | PrimitiveProto::kValBytesFieldNumber, b, 5));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_SFIXED32 | PrimitiveProto::kValSfixed32FieldNumber, 63));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_SFIXED64 | PrimitiveProto::kValSfixed64FieldNumber, -54));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_SINT32 | PrimitiveProto::kValSint32FieldNumber, -533));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_SINT64 | PrimitiveProto::kValSint64FieldNumber, -61224762453LL));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_ENUM | PrimitiveProto::kValEnumFieldNumber, 2));
+
+    PrimitiveProto primitives;
+    ASSERT_TRUE(primitives.ParseFromString(flushToString(&proto)));
+    EXPECT_EQ(primitives.val_int32(), 123);
+    EXPECT_EQ(primitives.val_int64(), -1);
+    EXPECT_EQ(primitives.val_float(), -23.5f);
+    EXPECT_EQ(primitives.val_double(), 324.5f);
+    EXPECT_EQ(primitives.val_uint32(), 3424);
+    EXPECT_EQ(primitives.val_uint64(), 57);
+    EXPECT_EQ(primitives.val_fixed32(), -20);
+    EXPECT_EQ(primitives.val_fixed64(), -37);
+    EXPECT_EQ(primitives.val_bool(), true);
+    EXPECT_THAT(primitives.val_string(), StrEq(s.c_str()));
+    EXPECT_THAT(primitives.val_bytes(), StrEq("apple"));
+    EXPECT_EQ(primitives.val_sfixed32(), 63);
+    EXPECT_EQ(primitives.val_sfixed64(), -54);
+    EXPECT_EQ(primitives.val_sint32(), -533);
+    EXPECT_EQ(primitives.val_sint64(), -61224762453LL);
+    EXPECT_EQ(primitives.val_enum(), PrimitiveProto_Count_TWO);
+}
+
+TEST(ProtoOutputStreamTest, Complex) {
+    std::string name1 = "cat";
+    std::string name2 = "dog";
+    const char data1[6] = { 'f', 'u', 'n', 'n', 'y', '!' };
+    const char data2[4] = { 'f', 'o', 'o', 'd' };
+
+    ProtoOutputStream proto;
+    EXPECT_TRUE(proto.write(FIELD_TYPE_INT32 | ComplexProto::kIntsFieldNumber, 23));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_INT32 | ComplexProto::kIntsFieldNumber, 101));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_INT32 | ComplexProto::kIntsFieldNumber, -72));
+    uint64_t token1 = proto.start(FIELD_TYPE_MESSAGE | ComplexProto::kLogsFieldNumber);
+    EXPECT_TRUE(proto.write(FIELD_TYPE_INT32 | ComplexProto::Log::kIdFieldNumber, 12));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_STRING | ComplexProto::Log::kNameFieldNumber, name1));
+    // specify the length to test the write(id, bytes, length) function.
+    EXPECT_TRUE(proto.write(FIELD_TYPE_BYTES | ComplexProto::Log::kDataFieldNumber, data1, 5));
+    proto.end(token1);
+    uint64_t token2 = proto.start(FIELD_TYPE_MESSAGE | ComplexProto::kLogsFieldNumber);
+    EXPECT_TRUE(proto.write(FIELD_TYPE_INT32 | ComplexProto::Log::kIdFieldNumber, 98));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_STRING | ComplexProto::Log::kNameFieldNumber, name2));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_BYTES | ComplexProto::Log::kDataFieldNumber, data2, 4));
+    proto.end(token2);
+
+    ComplexProto complex;
+    ASSERT_TRUE(complex.ParseFromString(iterateToString(&proto)));
+    EXPECT_EQ(complex.ints_size(), 3);
+    EXPECT_EQ(complex.ints(0), 23);
+    EXPECT_EQ(complex.ints(1), 101);
+    EXPECT_EQ(complex.ints(2), -72);
+    EXPECT_EQ(complex.logs_size(), 2);
+    ComplexProto::Log log1 = complex.logs(0);
+    EXPECT_EQ(log1.id(), 12);
+    EXPECT_THAT(log1.name(), StrEq(name1.c_str()));
+    EXPECT_THAT(log1.data(), StrEq("funny")); // should not contain '!'
+    ComplexProto::Log log2 = complex.logs(1);
+    EXPECT_EQ(log2.id(), 98);
+    EXPECT_THAT(log2.name(), StrEq(name2.c_str()));
+    EXPECT_THAT(log2.data(), StrEq("food"));
+}
+
+TEST(ProtoOutputStreamTest, Reusability) {
+    ProtoOutputStream proto;
+    EXPECT_TRUE(proto.write(FIELD_TYPE_INT32 | ComplexProto::kIntsFieldNumber, 32));
+    EXPECT_TRUE(proto.write(FIELD_TYPE_INT32 | ComplexProto::kIntsFieldNumber, 15));
+    EXPECT_EQ(proto.bytesWritten(), 4);
+    EXPECT_EQ(proto.size(), 4);
+    proto.clear();
+    EXPECT_EQ(proto.bytesWritten(), 0);
+    EXPECT_EQ(proto.size(), 0);
+}
+
+TEST(ProtoOutputStreamTest, AdvancedEncoding) {
+    ProtoOutputStream proto;
+    proto.writeRawVarint(ComplexProto::kIntsFieldNumber << FIELD_ID_SHIFT);
+    proto.writeRawVarint(UINT64_C(-123809234));
+    proto.writeLengthDelimitedHeader(ComplexProto::kLogsFieldNumber, 8);
+    proto.writeRawByte((ComplexProto::Log::kDataFieldNumber << FIELD_ID_SHIFT) + 2);
+    proto.writeRawByte(6);
+    proto.writeRawByte('b');
+    proto.writeRawByte('a');
+    proto.writeRawByte('n');
+    proto.writeRawByte('a');
+    proto.writeRawByte('n');
+    proto.writeRawByte('a');
+    uint64_t token = proto.start(FIELD_TYPE_MESSAGE | ComplexProto::kLogsFieldNumber);
+    proto.write(FIELD_TYPE_INT32 | ComplexProto::Log::kIdFieldNumber, 14);
+    proto.end(token);
+
+    ComplexProto complex;
+    ASSERT_TRUE(complex.ParseFromString(flushToString(&proto)));
+    EXPECT_EQ(complex.ints_size(), 1);
+    EXPECT_EQ(complex.ints(0), UINT64_C(-123809234));
+    EXPECT_EQ(complex.logs_size(), 2);
+    ComplexProto::Log log1 = complex.logs(0);
+    EXPECT_FALSE(log1.has_id());
+    EXPECT_FALSE(log1.has_name());
+    EXPECT_THAT(log1.data(), StrEq("banana"));
+    ComplexProto::Log log2 = complex.logs(1);
+    EXPECT_EQ(log2.id(), 14);
+    EXPECT_FALSE(log2.has_name());
+    EXPECT_FALSE(log2.has_data());
+}