1 files changed, 115 insertions, 0 deletions
diff --git a/jimfs/src/test/java/com/google/common/jimfs/AbstractJimfsIntegrationTest.java b/jimfs/src/test/java/com/google/common/jimfs/AbstractJimfsIntegrationTest.java
new file mode 100644
index 0000000..11a0944
--- /dev/null
+++ b/jimfs/src/test/java/com/google/common/jimfs/AbstractJimfsIntegrationTest.java
@@ -0,0 +1,115 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * 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.common.jimfs;
+
+import static com.google.common.jimfs.PathSubject.paths;
+import static com.google.common.truth.Truth.assertThat;
+import static com.google.common.truth.Truth.assert_;
+
+import java.io.IOException;
+import java.nio.file.FileSystem;
+import java.nio.file.Files;
+import java.nio.file.LinkOption;
+import java.nio.file.Path;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.nio.file.attribute.FileTime;
+import org.junit.After;
+import org.junit.Before;
+
+/** @author Colin Decker */
+public abstract class AbstractJimfsIntegrationTest {
+
+  protected FileSystem fs;
+
+  @Before
+  public void setUp() throws IOException {
+    fs = createFileSystem();
+  }
+
+  @After
+  public void tearDown() throws IOException {
+    fs.close();
+  }
+
+  /** Creates the file system to use in the tests. */
+  protected abstract FileSystem createFileSystem();
+
+  // helpers
+
+  protected Path path(String first, String... more) {
+    return fs.getPath(first, more);
+  }
+
+  protected Object getFileKey(String path, LinkOption... options) throws IOException {
+    return Files.getAttribute(path(path), "fileKey", options);
+  }
+
+  protected PathSubject assertThatPath(String path, LinkOption... options) {
+    return assertThatPath(path(path), options);
+  }
+
+  protected static PathSubject assertThatPath(Path path, LinkOption... options) {
+    PathSubject subject = assert_().about(paths()).that(path);
+    if (options.length != 0) {
+      subject = subject.noFollowLinks();
+    }
+    return subject;
+  }
+
+  /** Tester for testing changes in file times. */
+  protected static final class FileTimeTester {
+
+    private final Path path;
+
+    private FileTime accessTime;
+    private FileTime modifiedTime;
+
+    FileTimeTester(Path path) throws IOException {
+      this.path = path;
+
+      BasicFileAttributes attrs = attrs();
+      accessTime = attrs.lastAccessTime();
+      modifiedTime = attrs.lastModifiedTime();
+    }
+
+    private BasicFileAttributes attrs() throws IOException {
+      return Files.readAttributes(path, BasicFileAttributes.class);
+    }
+
+    public void assertAccessTimeChanged() throws IOException {
+      FileTime t = attrs().lastAccessTime();
+      assertThat(t).isNotEqualTo(accessTime);
+      accessTime = t;
+    }
+
+    public void assertAccessTimeDidNotChange() throws IOException {
+      FileTime t = attrs().lastAccessTime();
+      assertThat(t).isEqualTo(accessTime);
+    }
+
+    public void assertModifiedTimeChanged() throws IOException {
+      FileTime t = attrs().lastModifiedTime();
+      assertThat(t).isNotEqualTo(modifiedTime);
+      modifiedTime = t;
+    }
+
+    public void assertModifiedTimeDidNotChange() throws IOException {
+      FileTime t = attrs().lastModifiedTime();
+      assertThat(t).isEqualTo(modifiedTime);
+    }
+  }
+}