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pytest.go
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// Copyright 2018 The go-python Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package pytest
import (
"io/ioutil"
"os"
"path"
"strings"
"testing"
_ "github.com/go-python/gpython/builtin"
"github.com/go-python/gpython/compile"
"github.com/go-python/gpython/py"
_ "github.com/go-python/gpython/sys"
"github.com/go-python/gpython/vm"
)
// Run the code in str
func Run(t *testing.T, prog string) {
f, err := os.Open(prog)
if err != nil {
t.Fatalf("%s: Open failed: %v", prog, err)
}
defer func() {
if err := f.Close(); err != nil {
t.Fatalf("%s: Close failed: %v", prog, err)
}
}()
str, err := ioutil.ReadAll(f)
if err != nil {
t.Fatalf("%s: ReadAll failed: %v", prog, err)
}
obj, err := compile.Compile(string(str), prog, "exec", 0, true)
if err != nil {
t.Fatalf("%s: Compile failed: %v", prog, err)
}
code := obj.(*py.Code)
module := py.NewModule("__main__", "", nil, nil)
module.Globals["__file__"] = py.String(prog)
_, err = vm.Run(module.Globals, module.Globals, code, nil)
if err != nil {
if wantErr, ok := module.Globals["err"]; ok {
wantErrObj, ok := wantErr.(py.Object)
if !ok {
t.Fatalf("%s: want err is not py.Object: %#v", prog, wantErr)
}
gotExc, ok := err.(py.ExceptionInfo)
if !ok {
t.Fatalf("%s: got err is not ExceptionInfo: %#v", prog, err)
}
if gotExc.Value.Type() != wantErrObj.Type() {
t.Fatalf("%s: Want exception %v got %v", prog, wantErrObj, gotExc.Value)
}
t.Logf("%s: matched exception", prog)
return
} else {
py.TracebackDump(err)
t.Fatalf("%s: Run failed: %v at %q", prog, err, module.Globals["doc"])
}
}
// t.Logf("%s: Return = %v", prog, res)
if doc, ok := module.Globals["doc"]; ok {
if docStr, ok := doc.(py.String); ok {
if string(docStr) != "finished" {
t.Fatalf("%s: Didn't finish at %q", prog, docStr)
}
} else {
t.Fatalf("%s: Set doc variable to non string: %#v", prog, doc)
}
} else {
t.Fatalf("%s: Didn't set doc variable at all", prog)
}
}
// Runs the tests in the directory passed in
func RunTests(t *testing.T, testDir string) {
files, err := ioutil.ReadDir(testDir)
if err != nil {
t.Fatalf("ReadDir failed: %v", err)
}
for _, f := range files {
name := f.Name()
if !strings.HasPrefix(name, "lib") && strings.HasSuffix(name, ".py") {
name := path.Join(testDir, name)
t.Logf("%s: Running", name)
Run(t, name)
}
}
}