file_test.go

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`c3fc7a22` 2022-10-30 Pavel Safronov	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	}