| 17 | ) |
| 18 | |
| 19 | func TestRoundTripVerbatim(t *testing.T) { |
| 20 | tests := []string{ |
| 21 | ``, |
| 22 | `foo = 1 |
| 23 | `, |
| 24 | ` |
| 25 | foobar = 1 |
| 26 | baz = 1 |
| 27 | `, |
| 28 | ` |
| 29 | # this file is awesome |
| 30 | |
| 31 | # tossed salads and scrambled eggs |
| 32 | foobar = 1 |
| 33 | baz = 1 |
| 34 | |
| 35 | block { |
| 36 | a = "a" |
| 37 | b = "b" |
| 38 | c = "c" |
| 39 | d = "d" |
| 40 | |
| 41 | subblock { |
| 42 | } |
| 43 | |
| 44 | subblock { |
| 45 | e = "e" |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | # and they all lived happily ever after |
| 50 | `, |
| 51 | } |
| 52 | |
| 53 | for _, test := range tests { |
| 54 | t.Run(test, func(t *testing.T) { |
| 55 | src := []byte(test) |
| 56 | file, diags := parse(src, "", hcl.Pos{Line: 1, Column: 1}) |
| 57 | if len(diags) != 0 { |
| 58 | for _, diag := range diags { |
| 59 | t.Logf(" - %s", diag.Error()) |
| 60 | } |
| 61 | t.Fatalf("unexpected diagnostics") |
| 62 | } |
| 63 | |
| 64 | wr := &bytes.Buffer{} |
| 65 | n, err := file.WriteTo(wr) |
| 66 | if n != int64(len(test)) { |
| 67 | t.Errorf("wrong number of bytes %d; want %d", n, len(test)) |
| 68 | } |
| 69 | if err != nil { |
| 70 | t.Fatalf("error from WriteTo") |
| 71 | } |
| 72 | |
| 73 | result := wr.Bytes() |
| 74 | if !bytes.Equal(result, src) { |
| 75 | t.Errorf("wrong result\ndiff:\n%s", cmp.Diff(string(src), string(result))) |
| 76 | } |