44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
package configload
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"os"
|
|
"testing"
|
|
)
|
|
|
|
// NewLoaderForTests is a variant of NewLoader that is intended to be more
|
|
// convenient for unit tests.
|
|
//
|
|
// The loader's modules directory is a separate temporary directory created
|
|
// for each call. Along with the created loader, this function returns a
|
|
// cleanup function that should be called before the test completes in order
|
|
// to remove that temporary directory.
|
|
//
|
|
// In the case of any errors, t.Fatal (or similar) will be called to halt
|
|
// execution of the test, so the calling test does not need to handle errors
|
|
// itself.
|
|
func NewLoaderForTests(t *testing.T) (*Loader, func()) {
|
|
t.Helper()
|
|
|
|
modulesDir, err := ioutil.TempDir("", "tf-configs")
|
|
if err != nil {
|
|
t.Fatalf("failed to create temporary modules dir: %s", err)
|
|
return nil, func() {}
|
|
}
|
|
|
|
cleanup := func() {
|
|
os.RemoveAll(modulesDir)
|
|
}
|
|
|
|
loader, err := NewLoader(&Config{
|
|
ModulesDir: modulesDir,
|
|
})
|
|
if err != nil {
|
|
cleanup()
|
|
t.Fatalf("failed to create config loader: %s", err)
|
|
return nil, func() {}
|
|
}
|
|
|
|
return loader, cleanup
|
|
}
|