114 lines
1.7 KiB
Go
114 lines
1.7 KiB
Go
package watch
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import (
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestMap(t *testing.T) {
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m := NewMap[string, string]()
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// Set without init is a no-op
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{
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m.Set("hello", "world")
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require.Equal(t, 0, m.Len())
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}
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// Getting from empty map
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{
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got, ok := m.Get("hello")
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require.False(t, ok)
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require.Empty(t, got)
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}
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var called bool
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cancelMock := func() {
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called = true
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}
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// InitWatch successful
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{
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m.InitWatch("hello", cancelMock)
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require.Equal(t, 1, m.Len())
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}
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// Get still returns false
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{
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got, ok := m.Get("hello")
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require.False(t, ok)
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require.Empty(t, got)
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}
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// Set successful
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{
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require.True(t, m.Set("hello", "world"))
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require.Equal(t, 1, m.Len())
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}
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// Get successful
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{
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got, ok := m.Get("hello")
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require.True(t, ok)
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require.Equal(t, "world", got)
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}
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// CancelWatch successful
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{
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m.CancelWatch("hello")
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require.Equal(t, 0, m.Len())
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require.True(t, called)
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}
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// Get no-op
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{
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got, ok := m.Get("hello")
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require.False(t, ok)
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require.Empty(t, got)
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}
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// Set no-op
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{
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require.False(t, m.Set("hello", "world"))
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require.Equal(t, 0, m.Len())
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}
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}
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func TestMap_ForEach(t *testing.T) {
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type testType struct {
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s string
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}
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m := NewMap[string, any]()
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inputs := map[string]any{
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"hello": 13,
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"foo": struct{}{},
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"bar": &testType{s: "wow"},
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}
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for k, v := range inputs {
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m.InitWatch(k, nil)
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m.Set(k, v)
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}
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require.Equal(t, 3, m.Len())
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// returning true continues iteration
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{
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var count int
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m.ForEachKey(func(k string) bool {
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count++
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return true
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})
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require.Equal(t, 3, count)
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}
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// returning false exits loop
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{
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var count int
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m.ForEachKey(func(k string) bool {
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count++
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return false
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})
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require.Equal(t, 1, count)
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}
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}
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