7794530d01
Fixes #563 Signed-off-by: knqyf263 <knqyf263@gmail.com> Co-authored-by: Adrian Cole <adrian@tetrate.io>
50 lines
1.4 KiB
Go
50 lines
1.4 KiB
Go
package fs
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import (
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"context"
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"io/fs"
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"os"
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"path"
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"testing"
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"github.com/tetratelabs/wazero/internal/testing/require"
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)
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// testCtx is an arbitrary, non-default context. Non-nil also prevents linter errors.
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var testCtx = context.WithValue(context.Background(), struct{}{}, "arbitrary")
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func TestContext_Close(t *testing.T) {
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tempDir := t.TempDir()
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pathName := "test"
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file, _ := createWriteableFile(t, tempDir, pathName, make([]byte, 0))
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fsc := NewContext(map[uint32]*FileEntry{
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3: {Path: "."},
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4: {Path: path.Join(".", pathName), File: file},
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})
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// Verify base case
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require.True(t, len(fsc.openedFiles) > 0, "fsc.openedFiles was empty")
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// Closing should not err.
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require.NoError(t, fsc.Close(testCtx))
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// Verify our intended side-effect
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require.Equal(t, 0, len(fsc.openedFiles), "expected no opened files")
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// Verify no error closing again.
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require.NoError(t, fsc.Close(testCtx))
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}
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// createWriteableFile uses real files when io.Writer tests are needed.
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func createWriteableFile(t *testing.T, tmpDir string, pathName string, data []byte) (fs.File, fs.FS) {
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require.NotNil(t, data)
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absolutePath := path.Join(tmpDir, pathName)
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require.NoError(t, os.WriteFile(absolutePath, data, 0o600))
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// open the file for writing in a custom way until #390
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f, err := os.OpenFile(absolutePath, os.O_RDWR, 0o600)
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require.NoError(t, err)
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return f, os.DirFS(tmpDir)
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}
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