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50 lines
1.4 KiB
50 lines
1.4 KiB
package testdata
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import (
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"context"
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"errors"
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"testing"
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)
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func TestNoneCache(t *testing.T) {
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d := New()
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meta := &Demo{ID: 1}
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getFromCache := func(c context.Context) (*Demo, error) { return meta, nil }
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notGetFromCache := func(c context.Context) (*Demo, error) { return nil, errors.New("err") }
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getFromSource := func(c context.Context) (*Demo, error) { return meta, nil }
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notGetFromSource := func(c context.Context) (*Demo, error) { return meta, errors.New("err") }
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addToCache := func(c context.Context, values *Demo) error { return nil }
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// get from cache
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_noneCacheFunc = getFromCache
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_noneRawFunc = notGetFromSource
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_noneAddCacheFunc = addToCache
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res, err := d.None(context.TODO())
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if err != nil {
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t.Fatalf("err should be nil, get: %v", err)
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}
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if res.ID != 1 {
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t.Fatalf("id should be 1")
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}
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// get from source
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_noneCacheFunc = notGetFromCache
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_noneRawFunc = getFromSource
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res, err = d.None(context.TODO())
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if err != nil {
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t.Fatalf("err should be nil, get: %v", err)
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}
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if res.ID != 1 {
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t.Fatalf("id should be 1")
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}
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// with null cache
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nullCache := &Demo{ID: -1}
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getNullFromCache := func(c context.Context) (*Demo, error) { return nullCache, nil }
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_noneCacheFunc = getNullFromCache
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_noneRawFunc = notGetFromSource
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res, err = d.None(context.TODO())
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if err != nil {
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t.Fatalf("err should be nil, get: %v", err)
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}
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if res != nil {
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t.Fatalf("res should be nil")
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}
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}
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