buildkit/solver-next/memorycache_test.go

128 lines
3.1 KiB
Go

package solver
import (
"context"
"testing"
"github.com/moby/buildkit/identity"
digest "github.com/opencontainers/go-digest"
"github.com/stretchr/testify/require"
)
func TestInMemoryCache(t *testing.T) {
ctx := context.TODO()
m := NewInMemoryCacheManager()
cacheFoo, err := m.Save(NewCacheKey(dgst("foo"), 0, nil), testResult("result0"))
require.NoError(t, err)
matches, err := m.Query(nil, 0, dgst("foo"), 0)
require.NoError(t, err)
require.Equal(t, len(matches), 1)
res, err := m.Load(ctx, matches[0])
require.NoError(t, err)
require.Equal(t, "result0", unwrap(res))
// another record
cacheBar, err := m.Save(NewCacheKey(dgst("bar"), 0, nil), testResult("result1"))
require.NoError(t, err)
matches, err = m.Query(nil, 0, dgst("bar"), 0)
require.NoError(t, err)
require.Equal(t, len(matches), 1)
res, err = m.Load(ctx, matches[0])
require.NoError(t, err)
require.Equal(t, "result1", unwrap(res))
// invalid request
matches, err = m.Query(nil, 0, dgst("baz"), 0)
require.NoError(t, err)
require.Equal(t, len(matches), 0)
// second level
k := NewCacheKey(dgst("baz"), Index(1), []CacheKey{
cacheFoo, cacheBar,
})
cacheBaz, err := m.Save(k, testResult("result2"))
require.NoError(t, err)
matches, err = m.Query(nil, 0, dgst("baz"), 0)
require.NoError(t, err)
require.Equal(t, len(matches), 0)
matches, err = m.Query([]CacheKey{cacheFoo}, 0, dgst("baz"), 0)
require.NoError(t, err)
require.Equal(t, len(matches), 0)
matches, err = m.Query([]CacheKey{cacheFoo}, 1, dgst("baz"), Index(1))
require.NoError(t, err)
require.Equal(t, len(matches), 0)
matches, err = m.Query([]CacheKey{cacheFoo}, 0, dgst("baz"), Index(1))
require.NoError(t, err)
require.Equal(t, len(matches), 1)
res, err = m.Load(ctx, matches[0])
require.NoError(t, err)
require.Equal(t, "result2", unwrap(res))
matches2, err := m.Query([]CacheKey{cacheBar}, 1, dgst("baz"), Index(1))
require.NoError(t, err)
require.Equal(t, len(matches2), 1)
require.Equal(t, matches[0].ID, matches2[0].ID)
k = NewCacheKey(dgst("baz"), Index(1), []CacheKey{
cacheFoo,
})
_, err = m.Save(k, testResult("result3"))
require.NoError(t, err)
matches, err = m.Query([]CacheKey{cacheFoo}, 0, dgst("baz"), Index(1))
require.NoError(t, err)
require.Equal(t, len(matches), 2)
// combination save
k2 := NewCacheKey("", 0, []CacheKey{
cacheFoo, cacheBaz,
})
k = NewCacheKey(dgst("bax"), 0, []CacheKey{
k2, cacheBar,
})
_, err = m.Save(k, testResult("result4"))
require.NoError(t, err)
// foo, bar, baz should all point to result4
matches, err = m.Query([]CacheKey{cacheFoo}, 0, dgst("bax"), 0)
require.NoError(t, err)
require.Equal(t, len(matches), 1)
id := matches[0].ID
matches, err = m.Query([]CacheKey{cacheBar}, 1, dgst("bax"), 0)
require.NoError(t, err)
require.Equal(t, len(matches), 1)
require.Equal(t, matches[0].ID, id)
matches, err = m.Query([]CacheKey{cacheBaz}, 0, dgst("bax"), 0)
require.NoError(t, err)
require.Equal(t, len(matches), 1)
require.Equal(t, matches[0].ID, id)
}
func dgst(s string) digest.Digest {
return digest.FromBytes([]byte(s))
}
func testResult(v string) Result {
return &dummyResult{
id: identity.NewID(),
value: v,
}
}