| 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)) |
| } |
| } |