@Test
public void testTagConversion() throws Exception {
assertSameContents(Sets.newHashSet("attribute"), Type.BOOLEAN.toTagSet(true, "attribute"));
assertSameContents(Sets.newHashSet("noattribute"), Type.BOOLEAN.toTagSet(false, "attribute"));
assertSameContents(
Sets.newHashSet("whiskey"), Type.STRING.toTagSet("whiskey", "preferred_cocktail"));
assertSameContents(
Sets.newHashSet("cheddar", "ementaler", "gruyere"),
Type.STRING_LIST.toTagSet(
Lists.newArrayList("cheddar", "ementaler", "gruyere"), "cheeses"));
}
@Test
public void testIllegalTagConversIonFromNullOnSupportedType() throws Exception {
try {
Type.BOOLEAN.toTagSet(null, "a_boolean");
fail("Expect UnsuportedOperationException");
} catch (IllegalStateException e) {
// Success.
}
}
@Test
public void testNonBoolean() throws Exception {
try {
Type.BOOLEAN.convert("unexpected", null);
fail();
} catch (Type.ConversionException e) {
assertThat(e).hasMessage("expected value of type 'int', but got \"unexpected\" (string)");
}
// Integers other than [0, 1] should fail.
try {
Type.BOOLEAN.convert(2, null);
fail();
} catch (Type.ConversionException e) {
assertEquals(e.getMessage(), "boolean is not one of [0, 1]");
}
try {
Type.BOOLEAN.convert(-1, null);
fail();
} catch (Type.ConversionException e) {
assertEquals(e.getMessage(), "boolean is not one of [0, 1]");
}
}
@Test
public void testBoolean() throws Exception {
Object myTrue = true;
Object myFalse = false;
assertEquals(Boolean.TRUE, Type.BOOLEAN.convert(1, null));
assertEquals(Boolean.FALSE, Type.BOOLEAN.convert(0, null));
assertTrue(Type.BOOLEAN.convert(true, null));
assertTrue(Type.BOOLEAN.convert(myTrue, null));
assertFalse(Type.BOOLEAN.convert(false, null));
assertFalse(Type.BOOLEAN.convert(myFalse, null));
assertThat(Type.BOOLEAN.flatten(myTrue)).isEmpty();
}
