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zeekay
a6a6264f91
Per the standing fork rule, a hanzoai fork declares its OWN module path and
is required directly -- never resolved via a `replace` against the upstream
path. Keeping the upstream path meant every import line in every consumer
carried the upstream brand.
module github.com/traefik/yaegi -> module github.com/hanzoai/yaegi
Mechanical and behaviour-neutral: every occurrence is an import path
(package self-imports, cmd/, _test/ fixtures interpreted at test time, and
the guthib.com/<org>/{fromage,cheese,vin} fake vendor trees under
example/pkg, whose directory components were renamed in lockstep with the
import strings that reference them).
GOPATH-mode source-import tests (interp TestFile) resolve the module by its
path under $GOPATH/src, so the required checkout location moves with the
module path -- as README already documents. Verified green at
$GOPATH/src/github.com/hanzoai/yaegi.
LICENSE is untouched: "Copyright 2020 Traefik Labs SAS" is the Apache-2.0
attribution and is a legal obligation, not a brand leak.
Also drops the inherited CONTRIBUTING.md CLA clause, which named an
upstream agreement this fork does not administer.
126 lines
3.5 KiB
Go
126 lines
3.5 KiB
Go
package interp_test
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import (
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"bytes"
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"go/build"
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"go/parser"
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"go/token"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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"testing"
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"github.com/hanzoai/yaegi/interp"
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"github.com/hanzoai/yaegi/stdlib"
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"github.com/hanzoai/yaegi/stdlib/unsafe"
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)
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// The following tests sometimes (not always) crash with go1.21 but not with go1.20 or go1.22.
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// The reason of failure is not obvious, maybe due to the runtime itself, and will be investigated separately.
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// Also, the closure tests depend on an incompatible language change in go1.22, where `for` variables are now
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// defined in body (thus reallocated at each loop). This is now the behavior in yaegi, so 1.21 produces
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// different results.
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var testsToSkipGo121 = map[string]bool{"cli6.go": true, "cli7.go": true, "issue-1276.go": true, "issue-1330.go": true, "struct11.go": true, "closure9.go": true, "closure10.go": true, "closure11.go": true, "closure12.go": true, "closure15.go": true, "closure16.go": true, "closure17.go": true, "closure18.go": true, "closure20.go": true, "for17.go": true, "for18.go": true, "for19.go": true}
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var go121 = strings.HasPrefix(runtime.Version(), "go1.21")
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func TestFile(t *testing.T) {
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filePath := "../_test/str.go"
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runCheck(t, filePath)
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t.Setenv("YAEGI_SPECIAL_STDIO", "1")
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baseDir := filepath.Join("..", "_test")
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files, err := os.ReadDir(baseDir)
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if err != nil {
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t.Fatal(err)
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}
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for _, file := range files {
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if filepath.Ext(file.Name()) != ".go" {
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continue
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}
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// Skip some tests which are problematic in go1.21 only.
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if go121 && testsToSkipGo121[file.Name()] {
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continue
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}
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file := file
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t.Run(file.Name(), func(t *testing.T) {
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runCheck(t, filepath.Join(baseDir, file.Name()))
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})
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}
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}
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func runCheck(t *testing.T, p string) {
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t.Helper()
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wanted, goPath, errWanted := wantedFromComment(p)
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if wanted == "" {
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t.Skip(p, "has no comment 'Output:' or 'Error:'")
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}
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wanted = strings.TrimSpace(wanted)
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if goPath == "" {
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goPath = build.Default.GOPATH
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}
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var stdout, stderr bytes.Buffer
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i := interp.New(interp.Options{GoPath: goPath, Stdout: &stdout, Stderr: &stderr})
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if err := i.Use(interp.Symbols); err != nil {
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t.Fatal(err)
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}
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if err := i.Use(stdlib.Symbols); err != nil {
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t.Fatal(err)
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}
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if err := i.Use(unsafe.Symbols); err != nil {
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t.Fatal(err)
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}
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_, err := i.EvalPath(p)
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if errWanted {
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if err == nil {
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t.Fatalf("got nil error, want: %q", wanted)
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}
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if res := strings.TrimSpace(err.Error()); !strings.Contains(res, wanted) {
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t.Errorf("got %q, want: %q", res, wanted)
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}
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return
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}
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if err != nil {
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t.Fatal(err)
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}
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res := strings.TrimSpace(stdout.String())
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// Remove path in output, to have results independent of location.
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res = strings.ReplaceAll(res, filepath.ToSlash(p)+":", "")
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if res != wanted {
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t.Errorf("\ngot: %q,\nwant: %q", res, wanted)
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}
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}
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func wantedFromComment(p string) (res string, goPath string, err bool) {
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fset := token.NewFileSet()
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f, _ := parser.ParseFile(fset, p, nil, parser.ParseComments)
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if len(f.Comments) == 0 {
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return
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}
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text := f.Comments[len(f.Comments)-1].Text()
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if strings.HasPrefix(text, "GOPATH:") {
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parts := strings.SplitN(text, "\n", 2)
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text = parts[1]
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wd, err := os.Getwd()
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if err != nil {
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panic(err)
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}
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goPath = filepath.Join(wd, "..", "_test", strings.TrimPrefix(parts[0], "GOPATH:"))
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}
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if strings.HasPrefix(text, "Output:\n") {
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return strings.TrimPrefix(text, "Output:\n"), goPath, false
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}
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if strings.HasPrefix(text, "Error:\n") {
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return strings.TrimPrefix(text, "Error:\n"), goPath, true
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}
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return
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}
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