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merged 2 commits into from
Feb 12, 2022
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examples/{embedding,multi-context}: add LICENSE blurb, cosmetics #163

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examples/{embedding,multi-context}: add LICENSE blurb, cosmetics
sbinet Feb 12, 2022
01cbebd
gpython: add a simple test for gpython command
sbinet Feb 12, 2022
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gpython: add a simple test for gpython command 
Signed-off-by: Sebastien Binet <binet@cern.ch>
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@sbinet
sbinet committed Feb 12, 2022
commit 01cbebd2719ccda5bb8fcfe008707617d1452f02
7 changes: 4 additions & 3 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -41,10 +41,12 @@ Full options:
func main() {
flag.Usage = syntaxError
flag.Parse()
args := flag.Args()
xmain(flag.Args())
}

func xmain(args []string) {
opts := py.DefaultContextOpts()
opts.SysArgs = flag.Args()
opts.SysArgs = args
ctx := py.NewContext(opts)

if *cpuprofile != "" {
Expand Down Expand Up @@ -77,5 +79,4 @@ func main() {
log.Fatal(err)
}
}

}
61 changes: 61 additions & 0 deletions main_test.go
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@@ -0,0 +1,61 @@
// Copyright 2022 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 main

import (
"bytes"
"flag"
"os"
"os/exec"
"path/filepath"
"testing"
)

var regen = flag.Bool("regen", false, "regenerate golden files")

func TestGPython(t *testing.T) {

tmp, err := os.MkdirTemp("", "go-python-")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmp)

exe := filepath.Join(tmp, "out.exe")
cmd := exec.Command("go", "build", "-o", exe, ".")
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err = cmd.Run()
if err != nil {
t.Fatalf("failed to compile embedding example: %+v", err)
}

got, err := exec.Command(exe, "testdata/hello.py").CombinedOutput()
if err != nil {
t.Fatalf("could not run gpython:\n%s\nerr: %+v", got, err)
}

const fname = "testdata/hello_golden.txt"

flag.Parse()
if *regen {
err = os.WriteFile(fname, got, 0644)
if err != nil {
t.Fatalf("could not write golden file: %+v", err)
}
}

want, err := os.ReadFile(fname)
if err != nil {
t.Fatalf("could not read golden file: %+v", err)
}
if !bytes.Equal(got, want) {
t.Fatalf("stdout differ:\ngot:\n%s\nwant:\n%s\n", got, want)
}
}

func TestRunFile(t *testing.T) {
xmain([]string{"./testdata/hello.py"})
}
1 change: 1 addition & 0 deletions testdata/hello.py
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@@ -0,0 +1 @@
print("hello, world!")
1 change: 1 addition & 0 deletions testdata/hello_golden.txt
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@@ -0,0 +1 @@
hello, world!