forked from googleapis/java-bigquerystorage
/
CloudStorageLateInitializationTest.java
68 lines (59 loc) · 2.23 KB
/
CloudStorageLateInitializationTest.java
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/*
* Copyright 2016 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.cloud.storage.contrib.nio;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import com.google.cloud.storage.Storage;
import com.google.cloud.storage.StorageOptions;
import java.net.URI;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for {@link CloudStorageFileSystemProvider} late initialization. */
@RunWith(JUnit4.class)
public class CloudStorageLateInitializationTest {
private StorageOptions mockOptions;
@Before
public void before() {
mockOptions = mock(StorageOptions.class);
Storage mockStorage = mock(Storage.class);
when(mockOptions.getService()).thenReturn(mockStorage);
CloudStorageFileSystemProvider.setStorageOptions(mockOptions);
}
@Test
public void ctorDoesNotCreateStorage() {
new CloudStorageFileSystemProvider();
verify(mockOptions, never()).getService();
}
@Test
public void getPathCreatesStorageOnce() {
CloudStorageFileSystemProvider provider = new CloudStorageFileSystemProvider();
provider.getPath(URI.create("gs://bucket1/wat"));
provider.getPath(URI.create("gs://bucket2/wat"));
verify(mockOptions, times(1)).getService();
}
@Test
public void getFileSystemCreatesStorageOnce() {
CloudStorageFileSystemProvider provider = new CloudStorageFileSystemProvider();
provider.getFileSystem(URI.create("gs://bucket1"));
provider.getFileSystem(URI.create("gs://bucket2"));
verify(mockOptions, times(1)).getService();
}
}