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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/content_verifier/content_verifier_utils.h"
#include "base/files/file_path.h"
#include "base/test/gtest_util.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace extensions {
namespace {
struct UnaryTestData {
base::FilePath::StringViewType input;
base::FilePath::StringViewType expected;
};
} // namespace
using ContentVerifierUtilsTest = testing::Test;
// This macro helps avoid wrapped lines in the test structs.
#define FPL(x) FILE_PATH_LITERAL(x)
TEST_F(ContentVerifierUtilsTest, NormalizePathComponents) {
const UnaryTestData cases[] = {
// Based on Python's os.path.normpath test cases:
// https://github.com/python/cpython/blob/bf4c1bf344ed1f80c4e8f4fd5b1a8f0e0858777e/Lib/test/test_posixpath.py#L376
{FPL(""), FPL(".")},
{FPL("."), FPL(".")},
{FPL("./"), FPL("./")},
{FPL(".//."), FPL(".")},
{FPL("./.."), FPL("..")},
{FPL("./../"), FPL("../")},
{FPL("./foo/bar"), FPL("foo/bar")},
{FPL(".."), FPL("..")},
{FPL("../"), FPL("../")},
{FPL("../foo"), FPL("../foo")},
{FPL("../../foo"), FPL("../../foo")},
{FPL("../foo/../bar"), FPL("../bar")},
{FPL("../../foo/../bar/./baz/boom/.."), FPL("../../bar/baz")},
{FPL("foo/../bar/baz"), FPL("bar/baz")},
{FPL("foo/../../bar/baz"), FPL("../bar/baz")},
{FPL("foo/../../../bar/baz"), FPL("../../bar/baz")},
{FPL("foo///../bar/.././../baz/boom"), FPL("../baz/boom")},
{FPL("foo/bar/../..///../../baz/boom"), FPL("../../baz/boom")},
};
for (const auto& i : cases) {
base::FilePath input = base::FilePath(i.input).NormalizePathSeparators();
base::FilePath expected =
base::FilePath(i.expected).NormalizePathSeparators();
EXPECT_EQ(expected.value(),
content_verifier_utils::NormalizePathComponents(input).value());
}
}
#if defined(FILE_PATH_USES_WIN_SEPARATORS)
TEST_F(ContentVerifierUtilsTest,
NormalizePathComponentsWithUnnormalizedSeparators) {
const struct UnaryTestData cases[] = {
{FPL("foo/bar"), FPL("foo\\bar")},
{FPL("foo/bar\\betz"), FPL("foo\\bar\\betz")},
{FPL("foo\\bar"), FPL("foo\\bar")},
{FPL("foo\\bar/betz"), FPL("foo\\bar\\betz")},
{FPL("foo"), FPL("foo")},
// Trailing slashes don't automatically get stripped. That's what
// StripTrailingSeparators() is for.
{FPL("foo\\"), FPL("foo\\")},
{FPL("foo/"), FPL("foo\\")},
{FPL("foo/bar\\"), FPL("foo\\bar\\")},
{FPL("foo\\bar/"), FPL("foo\\bar\\")},
{FPL("foo/bar/"), FPL("foo\\bar\\")},
{FPL("foo\\bar\\"), FPL("foo\\bar\\")},
// This method normalizes the number of path separators.
{FPL("foo\\\\bar"), FPL("foo\\bar")},
{FPL("foo//bar"), FPL("foo\\bar")},
{FPL("foo/\\bar"), FPL("foo\\bar")},
{FPL("foo\\/bar"), FPL("foo\\bar")},
{FPL("foo//bar///"), FPL("foo\\bar\\")},
{FPL("foo/\\bar/\\"), FPL("foo\\bar\\")},
};
for (const auto& i : cases) {
base::FilePath observed = content_verifier_utils::NormalizePathComponents(
base::FilePath(i.input));
EXPECT_EQ(base::FilePath::StringType(i.expected), observed.value());
}
}
#endif
#undef FPL
} // namespace extensions
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