grindlemire/go-tui code browser

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95

package formatter

import (
	"testing"
)

// TestFormatBodyStatementsCoverage exercises printNode paths for raw Go
// statements (GoCode) and component expressions (ComponentExpr) in bodies.
func TestFormatBodyStatementsCoverage(t *testing.T) {
	type tc struct {
		input string
		want  string
	}

	tests := map[string]tc{
		"go statements and component expression": {
			input: `package main

templ (c *card) Render() {
count := 1
fmt.Println("hi")
@c.textarea
<span>{count}</span>
}
`,
			want: `package main

templ (c *card) Render() {
	count := 1
	fmt.Println("hi")
	@c.textarea
	<span>{count}</span>
}
`,
		},
		"component expression with leading comment": {
			input: `package main

templ (c *card) Render() {
// the text area
@c.textarea
<span>done</span>
}
`,
			want: `package main

templ (c *card) Render() {
	// the text area
	@c.textarea
	<span>done</span>
}
`,
		},
		"go statement with leading comment": {
			input: `package main

templ A() {
// compute a label
label := "hi"
<span>{label}</span>
}
`,
			want: `package main

templ A() {
	// compute a label
	label := "hi"
	<span>{label}</span>
}
`,
		},
	}

	for name, tt := range tests {
		t.Run(name, func(t *testing.T) {
			fmtr := newTestFormatter()
			got, err := fmtr.Format("test.gsx", tt.input)
			if err != nil {
				t.Fatalf("Format() error = %v", err)
			}
			if got != tt.want {
				t.Errorf("Format() mismatch:\ngot:\n%s\nwant:\n%s", got, tt.want)
			}

			// Formatting must be idempotent.
			again, err := fmtr.Format("test.gsx", got)
			if err != nil {
				t.Fatalf("second Format() error = %v", err)
			}
			if again != got {
				t.Errorf("Format() not idempotent:\nfirst:\n%s\nsecond:\n%s", got, again)
			}
		})
	}
}