Add extra validator test cases

Author: Matt Rogers

validator_test.go

@@ -95,6 +95,9 @@ func TestValidatorSingleDomain(t *testing.T) {
 	if !validator("[email protected]") {
 		t.Error("email from same domain should validate")
 	}
+	if validator("[email protected]") {
+		t.Error("email from not listed domain should not validate")
+	}
 }
 
 func TestValidatorMultipleEmailsMultipleDomains(t *testing.T) {
@@ -160,3 +163,19 @@ func TestValidatorIgnoreSpacesInAuthEmails(t *testing.T) {
 		t.Error("email should validate")
 	}
 }
+
+func TestValidatorWildcardDomain(t *testing.T) {
+	vt := NewValidatorTest(t)
+	defer vt.TearDown()
+
+	vt.WriteEmails(t, []string(nil))
+	domains := []string{"*"}
+	validator := vt.NewValidator(domains, nil)
+
+	if !validator("[email protected]") {
+		t.Error("wildcard domain should validate any email")
+	}
+	if !validator("[email protected]") {
+		t.Error("wildcard domain should validate any email")
+	}
+}