85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
package gojs_test
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import (
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"os"
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"path"
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"testing"
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"github.com/tetratelabs/wazero"
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"github.com/tetratelabs/wazero/internal/fstest"
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"github.com/tetratelabs/wazero/internal/gojs/config"
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"github.com/tetratelabs/wazero/internal/platform"
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"github.com/tetratelabs/wazero/internal/testing/require"
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)
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func Test_fs(t *testing.T) {
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t.Parallel()
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stdout, stderr, err := compileAndRun(testCtx, "fs", func(moduleConfig wazero.ModuleConfig) (wazero.ModuleConfig, *config.Config) {
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return defaultConfig(moduleConfig.WithFS(testFS))
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})
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require.Zero(t, stderr)
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require.EqualError(t, err, `module closed with exit_code(0)`)
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require.Equal(t, `sub mode drwxr-xr-x
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/animals.txt mode -rw-r--r--
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animals.txt mode -rw-r--r--
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contents: bear
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cat
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shark
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dinosaur
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human
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empty:
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`, stdout)
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}
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// Test_testsfs runs fstest.TestFS inside wasm.
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func Test_testfs(t *testing.T) {
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t.Parallel()
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// Setup /testfs which is used in the wasm invocation of testfs.TestFS.
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tmpDir := t.TempDir()
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testfsDir := path.Join(tmpDir, "testfs")
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require.NoError(t, os.Mkdir(testfsDir, 0o700))
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require.NoError(t, fstest.WriteTestFiles(testfsDir))
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fsConfig := wazero.NewFSConfig().WithDirMount(tmpDir, "/")
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stdout, stderr, err := compileAndRun(testCtx, "testfs", func(moduleConfig wazero.ModuleConfig) (wazero.ModuleConfig, *config.Config) {
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return defaultConfig(moduleConfig.WithFSConfig(fsConfig))
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})
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require.Zero(t, stderr)
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require.EqualError(t, err, `module closed with exit_code(0)`)
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require.Zero(t, stdout)
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}
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func Test_writefs(t *testing.T) {
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t.Parallel()
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tmpDir := t.TempDir()
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fsConfig := wazero.NewFSConfig().WithDirMount(tmpDir, "/")
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// test expects to write under /tmp
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require.NoError(t, os.Mkdir(path.Join(tmpDir, "tmp"), 0o700))
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stdout, stderr, err := compileAndRun(testCtx, "writefs", func(moduleConfig wazero.ModuleConfig) (wazero.ModuleConfig, *config.Config) {
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return defaultConfig(moduleConfig.WithFSConfig(fsConfig))
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})
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require.Zero(t, stderr)
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require.EqualError(t, err, `module closed with exit_code(0)`)
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if platform.CompilerSupported() {
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// Note: as of Go 1.19, only the Sec field is set on update in fs_js.go.
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require.Equal(t, `/tmp/dir mode drwx------
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/tmp/dir/file mode -rw-------
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dir times: 123000000000 567000000000
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`, stdout)
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} else { // only mtimes will return on a plarform we don't support in sysfs
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require.Equal(t, `/tmp/dir mode drwx------
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/tmp/dir/file mode -rw-------
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dir times: 567000000000 567000000000
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`, stdout)
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}
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}
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