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// Copyright 2017 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "bsdiff/bsdiff_arguments.h"
#include <gtest/gtest.h>
namespace bsdiff {
TEST(BsdiffArgumentsTest, ParseCompressorTypeTest) {
std::set<CompressorType> types;
EXPECT_TRUE(BsdiffArguments::ParseCompressorTypes("Brotli", &types));
EXPECT_EQ(1U, types.size());
EXPECT_NE(types.end(), types.find(CompressorType::kBrotli));
types.clear();
EXPECT_TRUE(BsdiffArguments::ParseCompressorTypes("bz2", &types));
EXPECT_EQ(1U, types.size());
EXPECT_NE(types.end(), types.find(CompressorType::kBZ2));
types.clear();
EXPECT_FALSE(BsdiffArguments::ParseCompressorTypes("invalid", &types));
}
TEST(BsdiffArgumentsTest, ParseMultipleCompressorTypeTest) {
std::set<CompressorType> types;
EXPECT_TRUE(BsdiffArguments::ParseCompressorTypes("bz2:brotli:nocompression",
&types));
EXPECT_EQ(3U, types.size());
EXPECT_NE(types.end(), types.find(CompressorType::kBrotli));
EXPECT_NE(types.end(), types.find(CompressorType::kBZ2));
EXPECT_NE(types.end(), types.find(CompressorType::kNoCompression));
types.clear();
// No space in the type string.
EXPECT_FALSE(
BsdiffArguments::ParseCompressorTypes("bz2 : nocompression", &types));
}
TEST(BsdiffArgumentsTest, ParseBsdiffFormatTest) {
BsdiffFormat format;
EXPECT_TRUE(BsdiffArguments::ParseBsdiffFormat("bsdf2", &format));
EXPECT_EQ(BsdiffFormat::kBsdf2, format);
EXPECT_TRUE(BsdiffArguments::ParseBsdiffFormat("Legacy", &format));
EXPECT_EQ(BsdiffFormat::kLegacy, format);
EXPECT_TRUE(BsdiffArguments::ParseBsdiffFormat("bsdiff40", &format));
EXPECT_EQ(BsdiffFormat::kLegacy, format);
EXPECT_TRUE(BsdiffArguments::ParseBsdiffFormat("endsley", &format));
EXPECT_EQ(BsdiffFormat::kEndsley, format);
EXPECT_FALSE(BsdiffArguments::ParseBsdiffFormat("Other", &format));
}
TEST(BsdiffArgumentsTest, ParseQualityTest) {
int quality;
EXPECT_TRUE(BsdiffArguments::ParseQuality("9", &quality, 0, 11));
EXPECT_EQ(9, quality);
// Check the out of range quality values.
EXPECT_FALSE(BsdiffArguments::ParseQuality("30", &quality, 0, 11));
EXPECT_FALSE(BsdiffArguments::ParseQuality("1234567890", &quality, 0, 1000));
EXPECT_FALSE(BsdiffArguments::ParseQuality("aabb", &quality, 0, 1000));
}
TEST(BsdiffArgumentsTest, ParseMinLengthTest) {
size_t len;
EXPECT_TRUE(BsdiffArguments::ParseMinLength("11", &len));
EXPECT_EQ(11U, len);
// Check the out of range quality values.
EXPECT_FALSE(BsdiffArguments::ParseMinLength("-1", &len));
EXPECT_FALSE(BsdiffArguments::ParseMinLength("aabb", &len));
}
TEST(BsdiffArgumentsTest, ArgumentsValidTest) {
// Default arguments using BsdiffFormat::kLegacy and CompressorType::kBZ2
// should be valid.
EXPECT_TRUE(BsdiffArguments().IsValid());
// brotli is not supported for BsdiffFormat::kLegacy.
EXPECT_FALSE(
BsdiffArguments(BsdiffFormat::kLegacy, {CompressorType::kBrotli}, -1)
.IsValid());
EXPECT_TRUE(
BsdiffArguments(BsdiffFormat::kBsdf2, {CompressorType::kBrotli}, 9)
.IsValid());
// Compression quality out of range for brotli.
EXPECT_FALSE(
BsdiffArguments(BsdiffFormat::kBsdf2, {CompressorType::kBrotli}, 20)
.IsValid());
}
TEST(BsdiffArgumentsTest, ParseArgumentsSmokeTest) {
std::vector<const char*> args = {"bsdiff", "--format=bsdf2",
"--type=brotli:bz2", "--brotli_quality=9",
"--minlen=12"};
BsdiffArguments arguments;
EXPECT_TRUE(
arguments.ParseCommandLine(args.size(), const_cast<char**>(args.data())));
EXPECT_EQ(BsdiffFormat::kBsdf2, arguments.format());
std::vector<CompressorType> types = {CompressorType::kBZ2,
CompressorType::kBrotli};
EXPECT_EQ(types, arguments.compressor_types());
EXPECT_EQ(9, arguments.brotli_quality());
EXPECT_EQ(12, arguments.min_length());
}
} // namespace bsdiff
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