github.com/go-spring/spring-base@v1.1.3/clock/now_test.go (about)

     1  /*
     2   * Copyright 2012-2019 the original author or authors.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *      https://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package clock_test
    18  
    19  import (
    20  	"context"
    21  	"testing"
    22  	"time"
    23  
    24  	"github.com/go-spring/spring-base/assert"
    25  	"github.com/go-spring/spring-base/clock"
    26  	"github.com/go-spring/spring-base/knife"
    27  	"github.com/go-spring/spring-base/run"
    28  )
    29  
    30  func TestNow(t *testing.T) {
    31  
    32  	t.Run("normal_mode", func(t *testing.T) {
    33  		reset := run.SetMode(run.NormalModeFlag)
    34  		defer func() { reset() }()
    35  		ctx, _ := knife.New(context.Background())
    36  		knife.Store(ctx, "::now::", time.Now().Add(time.Hour))
    37  		assert.True(t, clock.Now(ctx).Sub(time.Now()) < time.Millisecond)
    38  	})
    39  
    40  	t.Run("record_mode", func(t *testing.T) {
    41  		reset := run.SetMode(run.RecordModeFlag)
    42  		defer func() { reset() }()
    43  		ctx, _ := knife.New(context.Background())
    44  		knife.Store(ctx, "::now::", time.Now().Add(time.Hour))
    45  		assert.True(t, clock.Now(ctx).Sub(time.Now()) < time.Millisecond)
    46  	})
    47  
    48  	t.Run("null_time", func(t *testing.T) {
    49  		ctx, _ := knife.New(context.Background())
    50  		knife.Store(ctx, "::now::", time.Now().Add(time.Hour))
    51  		assert.True(t, clock.Now(ctx).Sub(time.Now()) < time.Millisecond)
    52  	})
    53  
    54  	t.Run("base_time", func(t *testing.T) {
    55  		ctx, _ := knife.New(context.Background())
    56  		trueNow := time.Now()
    57  
    58  		err := clock.SetBaseTime(ctx, time.Unix(100, 0))
    59  		assert.Nil(t, err)
    60  
    61  		time.Sleep(5 * time.Millisecond)
    62  		n := clock.Now(ctx).Sub(time.Unix(100, 0))
    63  		assert.True(t, n > 5*time.Millisecond && n < 10*time.Millisecond)
    64  
    65  		clock.ResetTime(ctx)
    66  		assert.True(t, clock.Now(ctx).Sub(trueNow) < 20*time.Millisecond)
    67  	})
    68  
    69  	t.Run("fixed_time", func(t *testing.T) {
    70  		ctx, _ := knife.New(context.Background())
    71  		trueNow := time.Now()
    72  
    73  		err := clock.SetFixedTime(ctx, time.Unix(100, 0))
    74  		assert.Nil(t, err)
    75  
    76  		now := clock.Now(ctx)
    77  		assert.Equal(t, now, time.Unix(100, 0))
    78  
    79  		time.Sleep(10 * time.Millisecond)
    80  		assert.Equal(t, now, time.Unix(100, 0))
    81  
    82  		clock.ResetTime(ctx)
    83  		assert.True(t, clock.Now(ctx).Sub(trueNow) < 20*time.Millisecond)
    84  	})
    85  }