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package cache
import (
"testing"
"time"
memcache "github.com/patrickmn/go-cache"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/argoproj-labs/argocd-image-updater/pkg/tag"
)
func Test_MemCache(t *testing.T) {
imageName := "foo/bar"
imageTag := "v1.0.0"
t.Run("Cache hit", func(t *testing.T) {
mc := NewMemCache()
newTag := tag.NewImageTag(imageTag, time.Unix(0, 0), "")
mc.SetTag(imageName, newTag)
cachedTag, err := mc.GetTag(imageName, imageTag)
require.NoError(t, err)
require.NotNil(t, cachedTag)
assert.Equal(t, imageTag, cachedTag.TagName)
assert.True(t, mc.HasTag(imageName, imageTag))
assert.Equal(t, 1, mc.NumEntries())
})
t.Run("Cache miss", func(t *testing.T) {
mc := NewMemCache()
newTag := tag.NewImageTag(imageTag, time.Unix(0, 0), "")
mc.SetTag(imageName, newTag)
assert.Equal(t, 1, mc.NumEntries())
cachedTag, err := mc.GetTag(imageName, "v1.0.1")
require.NoError(t, err)
require.Nil(t, cachedTag)
assert.False(t, mc.HasTag(imageName, "v1.0.1"))
})
t.Run("Cache clear", func(t *testing.T) {
mc := NewMemCache()
newTag := tag.NewImageTag(imageTag, time.Unix(0, 0), "")
mc.SetTag(imageName, newTag)
cachedTag, err := mc.GetTag(imageName, imageTag)
require.NoError(t, err)
require.NotNil(t, cachedTag)
assert.Equal(t, imageTag, cachedTag.TagName)
assert.True(t, mc.HasTag(imageName, imageTag))
assert.Equal(t, 1, mc.NumEntries())
mc.ClearCache()
assert.Equal(t, 0, mc.NumEntries())
cachedTag, err = mc.GetTag(imageName, imageTag)
require.NoError(t, err)
require.Nil(t, cachedTag)
})
t.Run("Image Cache Key", func(t *testing.T) {
mc := MemCache{
cache: memcache.New(0, 0),
}
application := "application1"
key := imageCacheKey(imageName)
mc.SetImage(imageName, application)
app, b := mc.cache.Get(key)
assert.True(t, b)
assert.Equal(t, application, app)
assert.Equal(t, 1, mc.NumEntries())
mc.ClearCache()
assert.Equal(t, 0, mc.NumEntries())
})
}
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