Initial commit

vendor/github.com/hyperhq/hypercli/image/image_test.go

@@ -0,0 +1,59 @@
+package image
+
+import (
+	"encoding/json"
+	"sort"
+	"strings"
+	"testing"
+)
+
+const sampleImageJSON = `{
+	"architecture": "amd64",
+	"os": "linux",
+	"config": {},
+	"rootfs": {
+		"type": "layers",
+		"diff_ids": []
+	}
+}`
+
+func TestJSON(t *testing.T) {
+	img, err := NewFromJSON([]byte(sampleImageJSON))
+	if err != nil {
+		t.Fatal(err)
+	}
+	rawJSON := img.RawJSON()
+	if string(rawJSON) != sampleImageJSON {
+		t.Fatalf("Raw JSON of config didn't match: expected %+v, got %v", sampleImageJSON, rawJSON)
+	}
+}
+
+func TestInvalidJSON(t *testing.T) {
+	_, err := NewFromJSON([]byte("{}"))
+	if err == nil {
+		t.Fatal("Expected JSON parse error")
+	}
+}
+
+func TestMarshalKeyOrder(t *testing.T) {
+	b, err := json.Marshal(&Image{
+		V1Image: V1Image{
+			Comment:      "a",
+			Author:       "b",
+			Architecture: "c",
+		},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	expectedOrder := []string{"architecture", "author", "comment"}
+	var indexes []int
+	for _, k := range expectedOrder {
+		indexes = append(indexes, strings.Index(string(b), k))
+	}
+
+	if !sort.IntsAreSorted(indexes) {
+		t.Fatal("invalid key order in JSON: ", string(b))
+	}
+}