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ARROW-14915: [C++] implement GcsFileSystem::DeleteDirContents #11922

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ARROW-14915: [C++] implement GcsFileSystem::DeleteDirContents #11922

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3 changes: 2 additions & 1 deletion cpp/src/arrow/filesystem/gcsfs.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -493,7 +493,8 @@ Status GcsFileSystem::DeleteDir(const std::string& path) {
}

Status GcsFileSystem::DeleteDirContents(const std::string& path) {
return Status::NotImplemented("The GCS FileSystem is not fully implemented");
ARROW_ASSIGN_OR_RAISE(auto p, GcsPath::FromString(path));
return impl_->DeleteDirContents(p, io_context());
}

Status GcsFileSystem::DeleteRootDirContents() {
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35 changes: 35 additions & 0 deletions cpp/src/arrow/filesystem/gcsfs_test.cc
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Expand Up @@ -476,6 +476,41 @@ TEST_F(GcsIntegrationTest, DeleteDirSuccess) {
}
}

TEST_F(GcsIntegrationTest, DeleteDirContentsSuccess) {
auto fs = internal::MakeGcsFileSystemForTest(TestGcsOptions());
const char* const kTestFolders[] = {
"a/", "a/0/", "a/0/0/", "a/1/", "a/2/",
};
for (auto const* f : kTestFolders) {
const auto folder = PreexistingBucketPath() + f;
ASSERT_OK(fs->CreateDir(folder, true));
for (int i = 0; i != 64; ++i) {
const auto filename = folder + "test-file-" + std::to_string(i);
ASSERT_OK_AND_ASSIGN(auto w, fs->OpenOutputStream(filename, {}));
ASSERT_OK(w->Write(filename.data(), filename.size()));
ASSERT_OK(w->Close());
}
}

const auto folder = PreexistingBucketPath() + kTestFolders[0];
ASSERT_OK(fs->DeleteDirContents(folder));
arrow::fs::AssertFileInfo(fs.get(), folder, FileType::Directory);
arrow::fs::AssertFileInfo(fs.get(), PreexistingBucketPath(), FileType::Directory);
arrow::fs::AssertFileInfo(fs.get(), PreexistingObjectPath(), FileType::File);

for (auto const* f : kTestFolders) {
const auto subfolder = PreexistingBucketPath() + f;
if (subfolder == folder) {
continue;
}
arrow::fs::AssertFileInfo(fs.get(), subfolder, FileType::NotFound);
for (int i = 0; i != 64; ++i) {
const auto filename = subfolder + "test-file-" + std::to_string(i);
arrow::fs::AssertFileInfo(fs.get(), filename, FileType::NotFound);
}
}
}

TEST_F(GcsIntegrationTest, DeleteRootDirContents) {
auto fs = internal::MakeGcsFileSystemForTest(TestGcsOptions());
EXPECT_RAISES_WITH_MESSAGE_THAT(NotImplemented, HasSubstr("too dangerous"),
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