[testutil] Materialise fixture test files

Author: csweichel

pkg/testutil/testutil.go

@@ -1,6 +1,7 @@
 package testutil
 
 import (
+	"errors"
 	"io"
 	"os"
 	"path/filepath"
@@ -79,6 +80,20 @@ func (s Setup) Materialize() (workspaceRoot string, err error) {
 		if err != nil {
 			return
 		}
+
+		for fn, content := range comp.Files {
+			err = os.MkdirAll(filepath.Join(workspaceRoot, comp.Location, filepath.Dir(fn)), 0755)
+			if errors.Is(err, os.ErrExist) {
+				err = nil
+			}
+			if err != nil {
+				return
+			}
+			err = os.WriteFile(filepath.Join(workspaceRoot, comp.Location, fn), []byte(content), 0644)
+			if err != nil {
+				return
+			}
+		}
 	}
 
 	return

pkg/testutil/testutil_test.go

@@ -97,8 +97,9 @@ func TestMaterialise(t *testing.T) {
 					{
 						Location: "comp1",
 						Files: map[string]string{
-							"someFile":        "content",
-							"some/other/file": "more content",
+							"someFile":           "content",
+							"some/other/file":    "more content",
+							"some/other/another": "more content",
 						},
 						Comp: leeway.Component{
 							Constants: leeway.Arguments{