Function TestParseExistingFile

env/types_test.go:678–711

(t *testing.T)

}

func TestParseExistingFile(t *testing.T) {
	d := testutil.NewTestDataProvider(func() *testing.T { return t })

	tests := []struct {
		input     string
		want      string
		wantErr   bool
		errSubstr string
	}{
		{input: "", want: ""},
		{input: d.Path("test1.jpg"), want: d.Path("test1.jpg")},
		{input: d.Path("nonexistent.jpg"), wantErr: true, errSubstr: "no such file"},
	}

	for _, tt := range tests {
		t.Run(tt.input, func(t *testing.T) {
			t.Setenv(testVar, tt.input)
			desc := env.ExistingFilePath(testVar)

			var result string
			err := desc.Parse(&result)

			if tt.wantErr {
				require.Error(t, err)
				if tt.errSubstr != "" {
					assert.Contains(t, err.Error(), tt.errSubstr)
				}
			} else {
				require.NoError(t, err)
				assert.Equal(t, tt.want, result)
			}
		})
	}
}