providers/session: "Ensafen" values when they enter/exit the session

providers/session/session_test.go

@@ -0,0 +1,62 @@
+package session
+
+import "io"
+import "reflect"
+import "testing"
+import "git.tebibyte.media/sashakoshka/step"
+
+func TestEnsafenValue (test *testing.T) {
+	items := []any {
+		"hello",
+		123,
+		934.3298,
+		'o',
+		[]any {
+			"asljdkasd",
+			"90iur3e",
+		},
+		map[string] any {
+			"asdkiasd": 34,
+			"jdjjdfj": '-',
+		},
+		nil,
+	}
+	for index, item := range items {
+		safe, err := ensafenValue(item)
+		if err != nil { test.Fatal(index, err) }
+		test.Logf("%d: %v --> %v", index, item, safe)
+		if !reflect.DeepEqual(item, safe) {
+			test.Fatal("not equal")
+		}
+		switch item := item.(type) {
+		case []any, map[string] any:
+			if reflect.ValueOf(item).Pointer() == reflect.ValueOf(safe).Pointer() {
+				test.Fatal("memory wasn't duplicated")
+			}
+		}
+	}
+}
+
+func TestEnsafenValueErrTypeMismatch (test *testing.T) {
+	items := []any {
+		[]any {
+			"asljdkasd",
+			&struct { } { },
+			"90iur3e",
+		},
+		io.EOF,
+		[]string {
+			"hello",
+		},
+		map[string] any {
+			"asdkiasd": 34,
+			"jdjjdfj": struct { } { },
+		},
+	}
+	for index, item := range items {
+		safe, err := ensafenValue(item)
+		if err != step.ErrTypeMismatch {
+			test.Fatalf("%d: no error, produced %v", index, safe)
+		}
+	}
+}