add more unit tests and deserializer/serializer to regex

1 files changed, 41 insertions, 9 deletions

diff --git a/internal/regex/regex_test.go b/internal/regex/regex_test.go
index a90aee2..acdd518 100644
--- a/internal/regex/regex_test.go
+++ b/internal/regex/regex_test.go
@@ -1,16 +1,48 @@
 package regex
 
-import "testing"
+import (
+	"testing"
+)
 
 func TestRegex(t *testing.T) {
+	input := "hello"
 
-    input := "hello"
-    r, err := New(".hello", Default)
-    if err != nil {
-		t.Errorf("error: unable to create regex: %v\n", err)
-    }
+	r := NewNoop()
+	if !r.MatchString(input) {
+		t.Errorf("expected to match string '%s' with noop regex '%v' but didn't\n", input, r)
+	}
 
-    if r.MatchString(input) {
-		t.Errorf("error: expected to match string '%s' with regex '%v' but didnt\n", input, r)
-    }
+	r, err := New(".hello", Default)
+	if err != nil {
+		t.Errorf("unable to create regex: %v\n", err)
+	}
+	if r.MatchString(input) {
+		t.Errorf("expected to match string '%s' with regex '%v' but didn't\n", input, r)
+	}
+
+	r2, err := Deserialize(r.Serialize())
+	if err != nil {
+		t.Errorf("unable to serialize deserialized regex: %v: %v\n", r.Serialize(), err)
+	}
+	if r.String() != r2.String() {
+		t.Errorf("regex should be the same after deserialize(serialize(..)), got '%s' but expected '%s'.\n",
+			r2.String(), r.String())
+	}
+
+	r, err = New(".hello", Negate)
+	if err != nil {
+		t.Errorf("unable to create regex: %v\n", err)
+	}
+	if !r.MatchString(input) {
+		t.Errorf("expected to not match string '%s' with regex '%v' but matched\n", input, r)
+	}
+
+	r2, err = Deserialize(r.Serialize())
+	if err != nil {
+		t.Errorf("unable to serialize deserialized regex: %v: %v\n", r.Serialize(), err)
+	}
+	if r.String() != r2.String() {
+		t.Errorf("regex should be the same after deserialize(serialize(..)), got '%s' but expected '%s'.\n",
+			r2.String(), r.String())
+	}
 }