| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package funcx |
| |
| import ( |
| "reflect" |
| "testing" |
| |
| "github.com/apache/beam/sdks/v2/go/pkg/beam/core/typex" |
| ) |
| |
| func TestIsIter(t *testing.T) { |
| tests := []struct { |
| Fn interface{} |
| Exp bool |
| }{ |
| {func(*int) {}, false}, // no return |
| {func() bool { return false }, false}, // no value |
| {func(*int) int { return 0 }, false}, // no bool return |
| {func(int) bool { return false }, false}, // no ptr value |
| {func(*typex.EventTime) bool { return false }, false}, // no values |
| {func(*int) bool { return false }, true}, |
| {func(*typex.EventTime, *int) bool { return false }, true}, |
| {func(*int, *string) bool { return false }, true}, |
| {func(*typex.Y, *typex.Z) bool { return false }, true}, |
| {func(*typex.EventTime, *int, *string) bool { return false }, true}, |
| {func(*int, *typex.Y, *typex.Z) bool { return false }, false}, // too many values |
| {func(*typex.EventTime, *int, *typex.Y, *typex.Z) bool { return false }, false}, // too many values |
| } |
| |
| for _, test := range tests { |
| val := reflect.TypeOf(test.Fn) |
| if actual := IsIter(val); actual != test.Exp { |
| t.Errorf("IsIter(%v) = %v, want %v", val, actual, test.Exp) |
| } |
| } |
| } |
| |
| func TestIsReIter(t *testing.T) { |
| tests := []struct { |
| Fn interface{} |
| Exp bool |
| }{ |
| {func() bool { return false }, false}, // not returning an Iter |
| {func(*int) func(*int) bool { return nil }, false}, // takes parameters |
| {func(*int) (func(*int) bool, func(*int) bool) { return nil, nil }, false}, // too many iterators |
| {func() func(*int) bool { return nil }, true}, |
| {func() func(*typex.EventTime, *int, *string) bool { return nil }, true}, |
| } |
| |
| for _, test := range tests { |
| val := reflect.TypeOf(test.Fn) |
| if actual := IsReIter(val); actual != test.Exp { |
| t.Errorf("IsReIter(%v) = %v, want %v", val, actual, test.Exp) |
| } |
| } |
| } |
| |
| func TestIsMultiMap(t *testing.T) { |
| tests := []struct { |
| Fn interface{} |
| Exp bool |
| }{ |
| {func(int) func(*int) bool { return nil }, true}, |
| {func() func(*int) bool { return nil }, false}, // Doesn't take an input (is a ReIter) |
| {func(*int) bool { return false }, false}, // Doesn't return an iterator (is an iterator) |
| {func(int) int { return 0 }, false}, // Doesn't return an iterator (returns a value) |
| {func(string) func(*int) int { return nil }, false}, // Returned iterator isn't a boolean return |
| {func(string) func(int) bool { return nil }, false}, // Returned iterator doesn't have a pointer receiver |
| {func(string) func(*typex.EventTime, *int) bool { return nil }, true}, |
| {func(string) func(*typex.EventTime, *int) { return nil }, false}, // Returned iterator does not have a bool return |
| } |
| for _, test := range tests { |
| val := reflect.TypeOf(test.Fn) |
| if actual := IsMultiMap(val); actual != test.Exp { |
| t.Errorf("IsMultiMap(%v) = %v, want %v", val, actual, test.Exp) |
| } |
| } |
| } |