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testutil.go
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testutil.go
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package testutil
import (
"os"
"path/filepath"
"testing"
"github.com/cayleygraph/cayley/graph"
"github.com/cayleygraph/cayley/quad"
"github.com/cayleygraph/cayley/quad/nquads"
"github.com/cayleygraph/cayley/writer"
"github.com/stretchr/testify/require"
)
type DatabaseFunc func(t testing.TB) (graph.QuadStore, graph.Options, func())
func LoadGraph(t testing.TB, path string) []quad.Quad {
var (
f *os.File
err error
)
const levels = 5
for i := 0; i < levels; i++ {
f, err = os.Open(path)
if i+1 < levels && os.IsNotExist(err) {
path = filepath.Join("../", path)
} else if err != nil {
t.Fatalf("Failed to open %q: %v", path, err)
} else {
break
}
}
defer f.Close()
dec := nquads.NewReader(f, false)
quads, err := quad.ReadAll(dec)
if err != nil {
t.Fatalf("Failed to Unmarshal: %v", err)
}
return quads
}
func MakeWriter(t testing.TB, qs graph.QuadStore, opts graph.Options, data ...quad.Quad) graph.QuadWriter {
w, err := writer.NewSingleReplication(qs, opts)
require.NoError(t, err)
if len(data) > 0 {
err = w.AddQuadSet(data)
require.NoError(t, err)
}
return w
}