/** Traverse visits every element of an input value without coercing to the output type. */
@Test
public void traverseShouldVisitEveryObject() throws NoSuchFieldException {
Type type = TestFields.class.getField("stringMapOfLists").getGenericType();
TypeCoercer<?> coercer = typeCoercerFactory.typeCoercerForType(type);
final ImmutableMap<String, ImmutableList<String>> input =
ImmutableMap.of(
"foo", ImmutableList.of("//foo:bar", "//foo:baz"),
"bar", ImmutableList.of(":bar", "//foo:foo"));
TestTraversal traversal = new TestTraversal();
coercer.traverse(input, traversal);
List<Object> objects = traversal.getObjects();
assertThat(
objects,
Matchers.<Object>contains(
ImmutableList.of(
sameInstance((Object) input),
is((Object) "foo"),
sameInstance((Object) input.get("foo")),
is((Object) "//foo:bar"),
is((Object) "//foo:baz"),
is((Object) "bar"),
sameInstance((Object) input.get("bar")),
is((Object) ":bar"),
is((Object) "//foo:foo"))));
}
@Test
public void traverseWithEitherAndContainer() throws NoSuchFieldException {
Type type = TestFields.class.getField("eitherStringOrStringList").getGenericType();
TypeCoercer<?> coercer = typeCoercerFactory.typeCoercerForType(type);
TestTraversal traversal = new TestTraversal();
ImmutableList<String> input = ImmutableList.of("foo");
coercer.traverse(input, traversal);
assertThat(
traversal.getObjects(),
Matchers.<Object>contains(
ImmutableList.of(sameInstance((Object) input), sameInstance((Object) input.get(0)))));
traversal = new TestTraversal();
String input2 = "foo";
coercer.traverse(input2, traversal);
assertThat(traversal.getObjects(), hasSize(1));
assertThat(traversal.getObjects().get(0), sameInstance((Object) "foo"));
}
@Test
public void traverseWithPair() throws NoSuchFieldException {
Type type = TestFields.class.getField("pairOfPathsAndStrings").getGenericType();
TypeCoercer<?> coercer = typeCoercerFactory.typeCoercerForType(type);
TestTraversal traversal = new TestTraversal();
ImmutableList<?> input = ImmutableList.of("foo", "bar");
coercer.traverse(input, traversal);
assertThat(
traversal.getObjects(),
Matchers.<Object>contains(
ImmutableList.of(sameInstance(input.get(0)), sameInstance(input.get(1)))));
}