Spracherkennung für: .go vermutete Sprache: Abap {ABAP[70] C[31] Corba[31]} [Methode: maximale Elemente, drei Dimensionen]
// Copyright
2021 Google LLC
//
// Licensed
under the Apache License, Version
2.
0 (the
"License");
// you may not use this
file except
in compliance with the License.
// You may obtain a
copy of the License
at
//
//
http://www.apache.org/licenses/LICENSE-2.
0
//
// Unless required
by applicable law
or agreed
to in writing, software
// distributed
under the License
is distributed
on an
"AS IS" BASIS,
// WITHOUT WARRANTIES
OR CONDITIONS
OF ANY KIND, either express
or implied.
// See the License
for the specific
language governing permissions
and
// limitations
under the License.
package rbcrun
import (
"fmt"
"os"
"path/filepath"
"runtime"
"strings"
"testing"
"go.starlark.net/resolve"
"go.starlark.net/starlark"
"go.starlark.net/starlarktest"
)
//
In order to use
"assert.star" from go/starlark.net/starlarktest
in the tests,
//
provide:
//
* load function that handles "assert.star"
//
* starlarktest.DataFile function that finds its location
func init() {
starlarktestSetup()
}
func starlarktestSetup() {
resolve.AllowLambda = true
starlarktest.DataFile = func(pkgdir, filename
string)
string {
// The caller expects this
function to return the path
to the
//
data file. The
implementation assumes that the source
file
// containing the caller
and the
data file are
in the same
// directory. It
's ugly. Not sure what's the better way.
// TODO(asmundak): handle Bazel
case
_, starlarktestSrcFile, _, _ := runtime.Caller(
1)
if filepath.Base(starlarktestSrcFile) !=
"starlarktest.go" {
panic(fmt.Errorf(
"this function should be called from starlarktest.go, got %s",
starlarktestSrcFile))
}
return filepath.
Join(filepath.Dir(starlarktestSrcFile), filename)
}
}
// Common setup
for the tests:
create thread,
change to the test directory
func testSetup(t
*testing.T) *starlark.Thread {
thread := &starlark.Thread{
Load: func(thread
*starlark.Thread, module string) (starlark.StringDict, error) {
if module ==
"assert.star" {
return starlarktest.LoadAssertModule()
}
return nil, fmt.Errorf(
"load not implemented")
}}
starlarktest.SetReporter(thread, t)
if err := os.Chdir(dataDir()); err != nil {
t.Fatal(err)
}
return thread
}
func dataDir()
string {
_, thisSrcFile, _, _ := runtime.Caller(
0)
return filepath.
Join(filepath.Dir(thisSrcFile),
"testdata")
}
func exerciseStarlarkTestFile(t
*testing.T, starFile string) {
//
In order to use
"assert.star" from go/starlark.net/starlarktest
in the tests,
provide:
//
* load function that handles "assert.star"
//
* starlarktest.DataFile function that finds its location
if err := os.Chdir(dataDir()); err != nil {
t.Fatal(err)
}
thread := &starlark.Thread{
Load: func(thread
*starlark.Thread, module string) (starlark.StringDict, error) {
if module ==
"assert.star" {
return starlarktest.LoadAssertModule()
}
return nil, fmt.Errorf(
"load not implemented")
}}
starlarktest.SetReporter(thread, t)
_, thisSrcFile, _, _ := runtime.Caller(
0)
filename := filepath.
Join(filepath.Dir(thisSrcFile), starFile)
thread.SetLocal(executionModeKey, ExecutionModeRbc)
thread.SetLocal(shellKey,
"/bin/sh")
if _, err := starlark.ExecFile(thread, filename, nil, rbcBuiltins); err != nil {
if err, ok := err.(
*starlark.EvalError); ok {
t.Fatal(err.Backtrace())
}
t.Fatal(err)
}
}
func TestFileOps(t
*testing.T) {
// TODO(asmundak):
convert this
to use exerciseStarlarkTestFile
thread := testSetup(t)
if _, err := starlark.ExecFile(thread,
"file_ops.star", nil, rbcBuiltins); err != nil {
if err, ok := err.(
*starlark.EvalError); ok {
t.Fatal(err.Backtrace())
}
t.Fatal(err)
}
}
func TestLoad(t
*testing.T) {
// TODO(asmundak):
convert this
to use exerciseStarlarkTestFile
thread := testSetup(t)
thread.
Load = func(thread
*starlark.Thread, module string) (starlark.StringDict, error) {
if module ==
"assert.star" {
return starlarktest.LoadAssertModule()
}
else {
return loader(thread,
module)
}
}
dir := dataDir()
if err := os.Chdir(filepath.Dir(dir)); err != nil {
t.Fatal(err)
}
thread.SetLocal(allowExternalEntrypointKey, false)
thread.SetLocal(callingFileKey,
"testdata/load.star")
thread.SetLocal(executionModeKey, ExecutionModeRbc)
if _, err := starlark.ExecFile(thread,
"testdata/load.star", nil, rbcBuiltins); err != nil
{
if err, ok := err.(*starlark.EvalError); ok {
t.Fatal(err.Backtrace())
}
t.Fatal(err)
}
}
func TestBzlLoadsScl(t *testing.T) {
moduleCache = make(map[string]*modentry)
dir := dataDir()
if err := os.Chdir(filepath.Dir(dir)); err != nil {
t.Fatal(err)
}
vars, _, err := Run("testdata/bzl_loads_scl.bzl", nil, ExecutionModeRbc, false)
if err != nil {
t.Fatal(err)
}
if val, ok := vars["foo"]; !ok {
t.Fatalf("Failed to load foo variable")
} else if val.(starlark.String) != "bar" {
t.Fatalf("Expected \"bar\", got %q", val)
}
}
func TestNonEntrypointBzlLoadsScl(t *testing.T) {
moduleCache = make(map[string]*modentry)
dir := dataDir()
if err := os.Chdir(filepath.Dir(dir)); err != nil {
t.Fatal(err)
}
vars, _, err := Run("testdata/bzl_loads_scl_2.bzl", nil, ExecutionModeRbc, false)
if err != nil {
t.Fatal(err)
}
if val, ok := vars["foo"]; !ok {
t.Fatalf("Failed to load foo variable")
} else if val.(starlark.String) != "bar" {
t.Fatalf("Expected \"bar\", got %q", val)
}
}
func TestSclLoadsBzl(t *testing.T) {
moduleCache = make(map[string]*modentry)
dir := dataDir()
if err := os.Chdir(filepath.Dir(dir)); err != nil {
t.Fatal(err)
}
_, _, err := Run("testdata/scl_incorrectly_loads_bzl.scl", nil, ExecutionModeScl, false)
if err == nil {
t.Fatal("Expected failure")
}
if !strings.Contains(err.Error(), ".scl files can only load other .scl files") {
t.Fatalf("Expected error to contain \".scl files can only load other .scl files\": %q", err.Error())
}
}
func TestCantLoadSymlink(t *testing.T) {
moduleCache = make(map[string]*modentry)
dir := dataDir()
if err := os.Chdir(filepath.Dir(dir)); err != nil {
t.Fatal(err)
}
_, _, err := Run("testdata/test_scl_symlink.scl", nil, ExecutionModeScl, false)
if err == nil {
t.Fatal("Expected failure")
}
if !strings.Contains(err.Error(), "symlinks to starlark files are not allowed") {
t.Fatalf("Expected error to contain \"symlinks to starlark files are not allowed\": %q", err.Error())
}
}
func TestShell(t *testing.T) {
exerciseStarlarkTestFile(t, "testdata/shell.star")
}