@Test
public void testStringList() throws Exception {
Object input = Arrays.asList("foo", "bar", "wiz");
List<String> converted = Type.STRING_LIST.convert(input, null);
assertEquals(input, converted);
assertNotSame(input, converted);
assertThat(Type.STRING_LIST.flatten(input)).isEmpty();
}
@Test
public void testNonStringList() throws Exception {
try {
Type.STRING_LIST.convert(3, "blah");
fail();
} catch (Type.ConversionException e) {
assertThat(e).hasMessage("expected value of type 'list(string)' for blah, but got 3 (int)");
}
}
// Ensure that types are reported correctly.
@Test
public void testTypeErrorMessage() throws Exception {
try {
Type.STRING_LIST.convert("[(1,2), 3, 4]", "myexpr", null);
fail();
} catch (Type.ConversionException e) {
assertThat(e)
.hasMessage(
"expected value of type 'list(string)' for myexpr, "
+ "but got \"[(1,2), 3, 4]\" (string)");
}
}
@Test
public void testStringListBadElements() throws Exception {
Object input = Arrays.<Object>asList("foo", "bar", 1);
try {
Type.STRING_LIST.convert(input, "argument quux");
fail();
} catch (Type.ConversionException e) {
assertThat(e)
.hasMessage(
"expected value of type 'string' for element 2 of argument quux, but got 1 (int)");
}
}
@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"));
}
