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exports_test.go
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exports_test.go
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package cnbshim_test
import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestExports(t *testing.T) {
tcs := []struct {
name string
environ []string // optional environ for the test env
wantEnvs map[string]string
}{
{
name: "export_simple",
wantEnvs: map[string]string{
"FOO": "bar",
},
},
{
name: "export_quotes",
wantEnvs: map[string]string{
"FOO": `b"a"r`,
},
},
{
name: "export_script",
environ: []string{
"PATH=/usr/bin:/bin:/custom",
},
wantEnvs: map[string]string{
"PATH": "/some-path:/another:/usr/bin:/bin:/custom:/end",
"SOME_VAR": "yes",
"SQUARE_1": "1",
"SQUARE_2": "4",
"SQUARE_3": "9",
},
},
}
for _, tc := range tcs {
t.Run(tc.name, func(t *testing.T) {
tmp, err := ioutil.TempDir("", "exports")
require.NoError(t, err)
t.Cleanup(func() {
_ = os.RemoveAll(tmp)
})
cmd := exec.Command("bin/exports", fmt.Sprintf("test/fixtures/%s/export", tc.name), ".", tmp)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Env = tc.environ
err = cmd.Run()
require.NoError(t, err)
gotEnvs := make(map[string]string)
err = filepath.Walk(tmp, func(path string, info os.FileInfo, err error) error {
if info.IsDir() {
if path == tmp {
return nil
}
return fmt.Errorf("unexpected directory %s", path)
}
name := strings.SplitN(info.Name(), ".", 2)
require.Len(t, name, 2)
assert.Equal(t, "override", name[1])
value, err := ioutil.ReadFile(path)
require.NoError(t, err)
gotEnvs[name[0]] = string(value)
return nil
})
require.NoError(t, err)
assert.Equal(t, tc.wantEnvs, gotEnvs)
})
}
}