Shit ton of tests

embedFsWrapper/wrapper_test.go

@@ -0,0 +1,27 @@
+package embedFsWrapper_test
+
+import (
+	"io"
+	"testing"
+	"testing/fstest"
+
+	"git.mstar.dev/mstar/goutils/embedFsWrapper"
+)
+
+func TestFSWrapper(t *testing.T) {
+	mfs := fstest.MapFS{
+		"baz/foo": &fstest.MapFile{Data: []byte("bar")},
+	}
+	wrapped := embedFsWrapper.NewFSWrapper(mfs, "baz/")
+	f, err := wrapped.Open("foo")
+	if err != nil {
+		t.Fatalf("Expected to open file foo (baz/foo), got %v", err)
+	}
+	data, err := io.ReadAll(f)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if string(data) != "bar" {
+		t.Fatalf("Expected file to have \"bar\" as content, found %v", string(data))
+	}
+}