41 lines
897 B
Go
41 lines
897 B
Go
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package canonical
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import "testing"
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func TestMarshalSortsKeys(t *testing.T) {
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got, err := Marshal(map[string]any{"b": 1, "a": 2})
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if err != nil {
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t.Fatal(err)
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}
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// Both keys must be present and sorted by name
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want := `{"a":2,"b":1}`
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if string(got) != want {
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t.Errorf("got %q want %q", string(got), want)
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}
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}
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func TestMarshalStableAcrossRuns(t *testing.T) {
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input := map[string]any{
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"outer": map[string]any{"z": 1, "a": 2, "m": 3},
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"arr": []any{"3", "1", "2"},
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}
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a, _ := Marshal(input)
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b, _ := Marshal(input)
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if string(a) != string(b) {
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t.Errorf("not stable:\n%s\nvs\n%s", a, b)
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}
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}
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func TestHashReturnsPrefix(t *testing.T) {
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hash, raw, err := Hash(map[string]any{"k": "v"})
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if err != nil {
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t.Fatal(err)
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}
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if hash[:7] != "sha256:" {
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t.Errorf("hash missing sha256: prefix: %q", hash)
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}
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if string(raw) != `{"k":"v"}` {
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t.Errorf("canonical form: %q", raw)
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}
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}
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