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79 lines
1.5 KiB
Go
79 lines
1.5 KiB
Go
package syncx
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import (
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"errors"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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func TestImmutableResource(t *testing.T) {
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var count int
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r := NewImmutableResource(func() (interface{}, error) {
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count++
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return "hello", nil
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})
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res, err := r.Get()
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assert.Equal(t, "hello", res)
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assert.Equal(t, 1, count)
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assert.Nil(t, err)
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// again
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res, err = r.Get()
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assert.Equal(t, "hello", res)
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assert.Equal(t, 1, count)
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assert.Nil(t, err)
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}
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func TestImmutableResourceError(t *testing.T) {
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var count int
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r := NewImmutableResource(func() (interface{}, error) {
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count++
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return nil, errors.New("any")
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})
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res, err := r.Get()
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assert.Nil(t, res)
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assert.NotNil(t, err)
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assert.Equal(t, "any", err.Error())
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assert.Equal(t, 1, count)
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// again
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res, err = r.Get()
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assert.Nil(t, res)
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assert.NotNil(t, err)
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assert.Equal(t, "any", err.Error())
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assert.Equal(t, 1, count)
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r.refreshInterval = 0
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time.Sleep(time.Millisecond)
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res, err = r.Get()
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assert.Nil(t, res)
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assert.NotNil(t, err)
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assert.Equal(t, "any", err.Error())
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assert.Equal(t, 2, count)
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}
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func TestImmutableResourceErrorRefreshAlways(t *testing.T) {
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var count int
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r := NewImmutableResource(func() (interface{}, error) {
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count++
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return nil, errors.New("any")
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}, WithRefreshIntervalOnFailure(0))
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res, err := r.Get()
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assert.Nil(t, res)
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assert.NotNil(t, err)
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assert.Equal(t, "any", err.Error())
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assert.Equal(t, 1, count)
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// again
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res, err = r.Get()
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assert.Nil(t, res)
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assert.NotNil(t, err)
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assert.Equal(t, "any", err.Error())
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assert.Equal(t, 2, count)
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}
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