/** 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 TestFile writelns(String... lines) {
return writelns(Arrays.asList(lines));
}