|
| 1 | +package binaryparam |
| 2 | + |
| 3 | +import ( |
| 4 | + "io" |
| 5 | + "os" |
| 6 | + "testing" |
| 7 | + |
| 8 | + "github.com/stretchr/testify/require" |
| 9 | +) |
| 10 | + |
| 11 | +func TestFileOrStdin(t *testing.T) { |
| 12 | + t.Parallel() |
| 13 | + |
| 14 | + const expectedContents = "test file contents" |
| 15 | + |
| 16 | + t.Run("WithFile", func(t *testing.T) { |
| 17 | + tempFile := t.TempDir() + "/test_file.txt" |
| 18 | + require.NoError(t, os.WriteFile(tempFile, []byte(expectedContents), 0600)) |
| 19 | + |
| 20 | + readCloser, stdinInUse, err := FileOrStdin(os.Stdin, tempFile) |
| 21 | + require.NoError(t, err) |
| 22 | + t.Cleanup(func() { require.NoError(t, readCloser.Close()) }) |
| 23 | + |
| 24 | + actualContents, err := io.ReadAll(readCloser) |
| 25 | + require.NoError(t, err) |
| 26 | + require.Equal(t, expectedContents, string(actualContents)) |
| 27 | + |
| 28 | + require.False(t, stdinInUse) |
| 29 | + }) |
| 30 | + |
| 31 | + t.Run("WithStdinGlyph", func(t *testing.T) { |
| 32 | + tempFile := t.TempDir() + "/test_file.txt" |
| 33 | + require.NoError(t, os.WriteFile(tempFile, []byte(expectedContents), 0600)) |
| 34 | + |
| 35 | + stubStdin, err := os.Open(tempFile) |
| 36 | + require.NoError(t, err) |
| 37 | + |
| 38 | + readCloser, stdinInUse, err := FileOrStdin(stubStdin, "-") |
| 39 | + require.NoError(t, err) |
| 40 | + |
| 41 | + actualContents, err := io.ReadAll(readCloser) |
| 42 | + require.NoError(t, err) |
| 43 | + require.Equal(t, expectedContents, string(actualContents)) |
| 44 | + |
| 45 | + require.True(t, stdinInUse) |
| 46 | + }) |
| 47 | + |
| 48 | + t.Run("WithDevFD0File", func(t *testing.T) { |
| 49 | + tempFile := t.TempDir() + "/dev_fd_0" |
| 50 | + require.NoError(t, os.WriteFile(tempFile, []byte(expectedContents), 0600)) |
| 51 | + |
| 52 | + stubStdin, err := os.Open(tempFile) |
| 53 | + require.NoError(t, err) |
| 54 | + |
| 55 | + readCloser, stdinInUse, err := FileOrStdin(stubStdin, "/dev/fd/0") |
| 56 | + require.NoError(t, err) |
| 57 | + |
| 58 | + actualContents, err := io.ReadAll(readCloser) |
| 59 | + require.NoError(t, err) |
| 60 | + require.Equal(t, expectedContents, string(actualContents)) |
| 61 | + |
| 62 | + require.True(t, stdinInUse) |
| 63 | + }) |
| 64 | + |
| 65 | + t.Run("WithDevStdinFile", func(t *testing.T) { |
| 66 | + tempFile := t.TempDir() + "/dev_stdin" |
| 67 | + require.NoError(t, os.WriteFile(tempFile, []byte(expectedContents), 0600)) |
| 68 | + |
| 69 | + stubStdin, err := os.Open(tempFile) |
| 70 | + require.NoError(t, err) |
| 71 | + |
| 72 | + readCloser, stdinInUse, err := FileOrStdin(stubStdin, "/dev/stdin") |
| 73 | + require.NoError(t, err) |
| 74 | + |
| 75 | + actualContents, err := io.ReadAll(readCloser) |
| 76 | + require.NoError(t, err) |
| 77 | + require.Equal(t, expectedContents, string(actualContents)) |
| 78 | + |
| 79 | + require.True(t, stdinInUse) |
| 80 | + }) |
| 81 | +} |
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