Exclude exe files while unzipping CRXes

extensions/utility/extension_extractor_filter_unittest.cc

+// Copyright 2016 The Chromium 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 "extensions/utility/extension_extractor_filter.h"
+
+#include <stddef.h>
+
+#include <memory>
+
+#include "base/files/file_util.h"
+#include "base/files/scoped_temp_dir.h"
+#include "base/macros.h"
+#include "build/build_config.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
+
+namespace {
+
+class ExtensionExtractorFilterTest : public PlatformTest {

[Devlin, 2016/09/08 21:10:16]

Do we need this instead of just testing::Test?

[meacer, 2016/09/08 22:40:10]

Moved this to unpacker_unittest.cc

+ protected:
+  void SetUp() override {
+    PlatformTest::SetUp();
+
+    ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
+    test_dir_ = temp_dir_.path();
+
+    filter_ = new extensions::ExtensionExtractorFilter();
+  }
+
+  base::FilePath CreateEmptyTestFile(const base::FilePath& file_path) {
+    base::FilePath test_file(test_dir_.Append(file_path));
+    base::FilePath temp_file;
+    EXPECT_TRUE(base::CreateTemporaryFileInDir(test_dir_, &temp_file));
+    EXPECT_TRUE(base::Move(temp_file, test_file));
+    return test_file;
+  }
+
+  scoped_refptr<extensions::ExtensionExtractorFilter> filter_;
+
+  base::ScopedTempDir temp_dir_;
+
+  base::FilePath test_dir_;
+};
+
+struct UnaryBooleanTestData {
+  const base::FilePath::CharType* input;
+  bool expected;
+};
+
+TEST_F(ExtensionExtractorFilterTest, NormalCases) {
+  const struct UnaryBooleanTestData cases[] = {
+      {FILE_PATH_LITERAL("foo"), true},
+      {FILE_PATH_LITERAL("foo.nexe"), true},
+      {FILE_PATH_LITERAL("foo.dll"), true},
+      {FILE_PATH_LITERAL("foo.exe"), false},
+  };
+
+  for (size_t i = 0; i < arraysize(cases); ++i) {
+    base::FilePath input(cases[i].input);
+    base::FilePath test_file(CreateEmptyTestFile(input));
+    bool observed = filter_->ShouldExtractFile(test_file);
+    EXPECT_EQ(cases[i].expected, observed) << "i: " << i
+                                           << ", input: " << test_file.value();
+  }
+}
+}  // namespace