public TestFile file(Object... path) {
try {
return new TestFile(this, path);
} catch (RuntimeException e) {
throw new RuntimeException(
String.format(
"Could not locate file '%s' relative to '%s'.", Arrays.toString(path), this),
e);
}
}
public TestFile assertIsCopyOf(TestFile other) {
assertIsFile();
other.assertIsFile();
assertEquals(
String.format("%s is not the same length as %s", this, other),
other.length(),
this.length());
assertTrue(
String.format("%s does not have the same content as %s", this, other),
Arrays.equals(getHash("MD5"), other.getHash("MD5")));
return this;
}
/** Asserts that this file contains exactly the given set of descendants. */
public TestFile assertHasDescendants(String... descendants) {
Set<String> actual = new TreeSet<String>();
assertIsDir();
visit(actual, "", this);
Set<String> expected = new TreeSet<String>(Arrays.asList(descendants));
Set<String> extras = new TreeSet<String>(actual);
extras.removeAll(expected);
Set<String> missing = new TreeSet<String>(expected);
missing.removeAll(actual);
assertEquals(
String.format(
"For dir: %s, extra files: %s, missing files: %s, expected: %s",
this, extras, missing, expected),
expected,
actual);
return this;
}
public ExecOutput exec(Object... args) {
return new TestFileHelper(this).execute(Arrays.asList(args), null);
}
public void assertContentsHaveChangedSince(Snapshot snapshot) {
Snapshot now = snapshot();
assertTrue(
String.format("contents of %s have not changed", this),
!Arrays.equals(now.hash, snapshot.hash));
}
public void assertHasChangedSince(Snapshot snapshot) {
Snapshot now = snapshot();
assertTrue(now.modTime != snapshot.modTime || !Arrays.equals(now.hash, snapshot.hash));
}
public TestFile writelns(String... lines) {
return writelns(Arrays.asList(lines));
}