| // 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 exec |
| |
| import ( |
| "testing" |
| "time" |
| |
| "github.com/apache/beam/sdks/go/pkg/beam/core/graph/mtime" |
| "github.com/apache/beam/sdks/go/pkg/beam/core/graph/window" |
| "github.com/apache/beam/sdks/go/pkg/beam/core/typex" |
| ) |
| |
| // TestAssignWindow tests that each window fn assigns the |
| // correct windows for a given timestamp. |
| func TestAssignWindow(t *testing.T) { |
| tests := []struct { |
| fn *window.Fn |
| in typex.EventTime |
| out []typex.Window |
| }{ |
| { |
| window.NewGlobalWindows(), |
| mtime.ZeroTimestamp, |
| window.SingleGlobalWindow, |
| }, |
| { |
| window.NewGlobalWindows(), |
| mtime.MinTimestamp, |
| window.SingleGlobalWindow, |
| }, |
| { |
| window.NewGlobalWindows(), |
| mtime.Now(), |
| window.SingleGlobalWindow, |
| }, |
| { |
| window.NewGlobalWindows(), |
| mtime.MaxTimestamp, // TODO(herohde) 4/18/2018: is this even valid? |
| window.SingleGlobalWindow, |
| }, |
| { |
| window.NewFixedWindows(time.Minute), |
| 0, |
| []typex.Window{window.IntervalWindow{Start: 0, End: 60000}}, |
| }, |
| { |
| window.NewFixedWindows(time.Minute), |
| -123, |
| []typex.Window{window.IntervalWindow{Start: -60000, End: 0}}, |
| }, |
| { |
| window.NewFixedWindows(time.Minute), |
| 59999, |
| []typex.Window{window.IntervalWindow{Start: 0, End: 60000}}, |
| }, |
| { |
| window.NewFixedWindows(time.Minute), |
| 60000, |
| []typex.Window{window.IntervalWindow{Start: 60000, End: 120000}}, |
| }, |
| { |
| window.NewFixedWindows(2 * time.Minute), |
| 60000, |
| []typex.Window{window.IntervalWindow{Start: 0, End: 120000}}, |
| }, |
| { |
| window.NewSlidingWindows(time.Minute, 3*time.Minute), |
| 0, |
| []typex.Window{ |
| window.IntervalWindow{Start: 0, End: 180000}, |
| window.IntervalWindow{Start: -60000, End: 120000}, |
| window.IntervalWindow{Start: -120000, End: 60000}, |
| }, |
| }, |
| { |
| window.NewSlidingWindows(time.Minute, 3*time.Minute), |
| 123, |
| []typex.Window{ |
| window.IntervalWindow{Start: 0, End: 180000}, |
| window.IntervalWindow{Start: -60000, End: 120000}, |
| window.IntervalWindow{Start: -120000, End: 60000}, |
| }, |
| }, |
| { |
| window.NewSlidingWindows(time.Minute, 3*time.Minute), |
| 60000, |
| []typex.Window{ |
| window.IntervalWindow{Start: 60000, End: 240000}, |
| window.IntervalWindow{Start: 0, End: 180000}, |
| window.IntervalWindow{Start: -60000, End: 120000}, |
| }, |
| }, |
| } |
| |
| for _, test := range tests { |
| out := assignWindows(test.fn, test.in) |
| if !window.IsEqualList(out, test.out) { |
| t.Errorf("assignWindows(%v, %v) = %v, want %v", test.fn, test.in, out, test.out) |
| } |
| } |
| } |