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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 "content/browser/web_contents/file_chooser_impl.h"
#include "base/files/file_path.h"
#include "base/run_loop.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/test/test_web_contents.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::_;
using ::testing::Invoke;
namespace content {
class MockWebContentsDelegateForFileChooser : public WebContentsDelegate {
public:
// Mock the method to inspect the parameters it receives.
MOCK_METHOD(void,
RunFileChooser,
(RenderFrameHost* render_frame_host,
scoped_refptr<FileSelectListener> listener,
const blink::mojom::FileChooserParams& params),
(override));
};
class FileChooserImplTest : public RenderViewHostTestHarness {
public:
void SetUp() override {
RenderViewHostTestHarness::SetUp();
mock_web_contents_delegate_ =
std::make_unique<MockWebContentsDelegateForFileChooser>();
auto test_web_contents =
TestWebContents::Create(browser_context(), nullptr);
test_web_contents->SetDelegate(mock_web_contents_delegate_.get());
SetContents(std::move(test_web_contents));
// Navigate to page, otherwise OpenFileChooser() returns early.
NavigateAndCommit(GURL(url::kAboutBlankURL));
}
void TearDown() override {
mock_web_contents_delegate_.reset();
RenderViewHostTestHarness::TearDown();
}
protected:
std::unique_ptr<MockWebContentsDelegateForFileChooser>
mock_web_contents_delegate_;
};
TEST_F(FileChooserImplTest, DefaultFileNameClearedWhenModeIsNotSave) {
FileChooserImpl* file_chooser_impl =
FileChooserImpl::CreateForTesting(
static_cast<RenderFrameHostImpl*>(main_rfh()))
.first;
auto params = blink::mojom::FileChooserParams::New();
params->mode = blink::mojom::FileChooserParams::Mode::kOpen;
const base::FilePath kInitialFile =
base::FilePath(FILE_PATH_LITERAL("file.txt"));
params->default_file_name = kInitialFile;
blink::mojom::FileChooserParamsPtr captured_params;
EXPECT_CALL(*mock_web_contents_delegate_, RunFileChooser(_, _, _))
.WillOnce(Invoke(
[&](RenderFrameHost* rfh, scoped_refptr<FileSelectListener> listener,
const blink::mojom::FileChooserParams& passed_params) {
// Capture the arguments for later inspection.
captured_params = passed_params.Clone();
// Avoid logging error on destruction in test.
static_cast<FileChooserImpl::FileSelectListenerImpl*>(
listener.get())
->SetListenerFunctionCalledTrueForTesting();
}));
file_chooser_impl->OpenFileChooser(std::move(params), base::DoNothing());
// Verify the default file name was cleared.
ASSERT_TRUE(captured_params);
EXPECT_EQ(captured_params->default_file_name, base::FilePath());
}
TEST_F(FileChooserImplTest, DefaultFileNamePreservedWhenModeIsSave) {
FileChooserImpl* file_chooser_impl =
FileChooserImpl::CreateForTesting(
static_cast<RenderFrameHostImpl*>(main_rfh()))
.first;
auto params = blink::mojom::FileChooserParams::New();
params->mode = blink::mojom::FileChooserParams::Mode::kSave;
const base::FilePath kInitialFile =
base::FilePath(FILE_PATH_LITERAL("file.txt"));
params->default_file_name = kInitialFile;
blink::mojom::FileChooserParamsPtr captured_params;
EXPECT_CALL(*mock_web_contents_delegate_, RunFileChooser(_, _, _))
.WillOnce(Invoke(
[&](RenderFrameHost* rfh, scoped_refptr<FileSelectListener> listener,
const blink::mojom::FileChooserParams& passed_params) {
// Capture the arguments for later inspection.
captured_params = passed_params.Clone();
// Avoid logging error on destruction in test.
static_cast<FileChooserImpl::FileSelectListenerImpl*>(
listener.get())
->SetListenerFunctionCalledTrueForTesting();
}));
file_chooser_impl->OpenFileChooser(std::move(params), base::DoNothing());
// Verify the default file name was preserved.
ASSERT_TRUE(captured_params);
EXPECT_EQ(captured_params->default_file_name, kInitialFile);
}
} // namespace content
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