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116 lines
2.5 KiB
Go
116 lines
2.5 KiB
Go
//go:build fuzz
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package format_test
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"io/fs"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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_ "github.com/wader/fq/format/all"
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"github.com/wader/fq/format/registry"
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"github.com/wader/fq/pkg/decode"
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"github.com/wader/fq/pkg/interp"
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)
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type fuzzFS struct{}
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func (fuzzFS) Open(name string) (fs.File, error) {
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return nil, fmt.Errorf("%s: file not found", name)
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}
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type fuzzTest struct {
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b []byte
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f decode.Format
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}
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type fuzzTestInput struct {
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interp.FileReader
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io.Writer
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}
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func (fuzzTestInput) IsTerminal() bool { return false }
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func (fuzzTestInput) Size() (int, int) { return 120, 25 }
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type fuzzTestOutput struct {
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io.Writer
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}
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func (o fuzzTestOutput) Size() (int, int) { return 120, 25 }
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func (o fuzzTestOutput) IsTerminal() bool { return false }
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func (ft *fuzzTest) Platform() interp.Platform { return interp.Platform{} }
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func (ft *fuzzTest) Stdin() interp.Input {
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return fuzzTestInput{FileReader: interp.FileReader{R: bytes.NewBuffer(ft.b)}}
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}
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func (ft *fuzzTest) Stdout() interp.Output { return fuzzTestOutput{ioutil.Discard} }
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func (ft *fuzzTest) Stderr() interp.Output { return fuzzTestOutput{ioutil.Discard} }
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func (ft *fuzzTest) InterruptChan() chan struct{} { return nil }
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func (ft *fuzzTest) Environ() []string { return nil }
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func (ft *fuzzTest) Args() []string {
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return []string{
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`fq`,
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`-d`, ft.f.Name,
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`.`,
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}
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}
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func (ft *fuzzTest) ConfigDir() (string, error) { return "/config", nil }
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func (ft *fuzzTest) FS() fs.FS { return fuzzFS{} }
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func (ft *fuzzTest) History() ([]string, error) { return nil, nil }
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func (ft *fuzzTest) Readline(opts interp.ReadlineOpts) (string, error) {
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return "", io.EOF
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}
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func FuzzFormats(f *testing.F) {
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i := 0
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filepath.Walk(".", func(path string, info os.FileInfo, err error) error {
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if filepath.Ext(path) == ".fqtest" {
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return nil
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}
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if filepath.Base(filepath.Dir(path)) != "testdata" {
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return nil
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}
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if st, err := os.Stat(path); err != nil || st.IsDir() {
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return nil
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}
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b, err := ioutil.ReadFile(path)
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if err != nil {
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f.Fatal(err)
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}
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f.Logf("seed#%d %s", i, path)
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f.Add(b)
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i++
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return nil
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})
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gi := 0
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g := registry.Default.MustAll()
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f.Fuzz(func(t *testing.T, b []byte) {
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fz := &fuzzTest{b: b, f: g[gi]}
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q, err := interp.New(fz, registry.Default)
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if err != nil {
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t.Fatal(err)
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}
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_ = q.Main(context.Background(), fz.Stdout(), "dev")
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// if err != nil {
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// // TODO: expect error
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// t.Fatal(err)
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// }
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gi = (gi + 1) % len(g)
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})
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}
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