@Test
public void throwUnlessEmpty() {
final AggregationArguments arguments =
new AggregationArguments(ImmutableList.of(), ImmutableMap.of());
arguments.throwUnlessEmpty("foo");
}
@Test
public void throwUnlessEmptySingular() {
expected.expect(IllegalStateException.class);
expected.expectMessage("foo: has trailing argument a and keyword b");
final AggregationArguments arguments =
new AggregationArguments(ImmutableList.of(a), ImmutableMap.of("b", b));
arguments.throwUnlessEmpty("foo");
}
@Test
public void throwUnlessEmptyKeywords() {
expected.expect(IllegalStateException.class);
expected.expectMessage("foo: has trailing keywords [a, b]");
final AggregationArguments arguments =
new AggregationArguments(ImmutableList.of(), ImmutableMap.of("a", a, "b", b));
arguments.throwUnlessEmpty("foo");
}
@Test
public void positionalOrKeyword() {
final AggregationArguments arguments =
new AggregationArguments(ImmutableList.of(a), ImmutableMap.of("key", b));
assertEquals(Optional.of(a), arguments.positionalOrKeyword("key", Expression.class));
assertEquals(Optional.of(b), arguments.positionalOrKeyword("key", Expression.class));
assertEquals(Optional.empty(), arguments.positionalOrKeyword("key", Expression.class));
verify(a).cast(Expression.class);
verify(b).cast(Expression.class);
}
@Test
public void all() {
final AggregationArguments arguments =
new AggregationArguments(ImmutableList.of(a, b), ImmutableMap.of());
final List<Expression> result = arguments.all(Expression.class);
assertEquals(ImmutableList.of(a, b), result);
verify(a).cast(Expression.class);
verify(b).cast(Expression.class);
}