file_test.go

1	package main
2
3	import (
4	"os"
5	"testing"
6
7	"github.com/stretchr/testify/assert"
8	)
9
10	func TestCreateFile(t *testing.T) {
11	// settings
12	path := "~/test/out/test.txt"
13	prePatternData := testPrePatternData()
14	expectedText := "test-project-2022-04-20-16-20-69-value1"
15
16	// monkey patch
17	applyTestMonkeyPatch(t, monkeyPatch{
18	OSWriteFile: func(filename string, data []byte, perm os.FileMode) error {
19	assert.Equal(t, path, filename)
20	assert.Equal(t, perm, os.ModePerm)
21	assert.Equal(t, string(data), expectedText)
22	return nil
23	},
24	})
25
26	// test error path
27	err := createFile(prePatternData, File{
28	Template: "{{.ProjectName",
29	}, path)
30	assert.NotNil(t, err)
31
32	// test happy path
33	err = createFile(prePatternData, File{
34	Template: "{{.ProjectName}}-{{.Year}}-{{.Month}}-{{.Day}}-{{.Hour}}-{{.Minute}}-{{.Second}}-{{.Extras.key1}}",
35	}, path)
36	assert.Nil(t, err)
37
38	// test empty template
39	expectedText = ""
40	err = createFile(prePatternData, File{
41	Template: "",
42	}, path)
43	assert.Nil(t, err)
44	}