2020-07-26 17:09:05 +08:00
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package iox
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import (
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"os"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestCountLines(t *testing.T) {
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const val = `1
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2
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3
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4`
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2022-09-10 15:18:52 +08:00
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file, err := os.CreateTemp(os.TempDir(), "test-")
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2020-07-26 17:09:05 +08:00
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if err != nil {
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t.Fatal(err)
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}
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defer os.Remove(file.Name())
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file.WriteString(val)
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file.Close()
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lines, err := CountLines(file.Name())
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assert.Nil(t, err)
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assert.Equal(t, 4, lines)
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}
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2023-09-16 22:33:30 +08:00
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func TestCountLinesError(t *testing.T) {
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_, err := CountLines("not-exist")
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assert.NotNil(t, err)
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}
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