diff --git a/methods/validation_test.go b/methods/validation_test.go
new file mode 100644
index 0000000..fa1f981
--- /dev/null
+++ b/methods/validation_test.go
@@ -0,0 +1,50 @@
+package methods
+
+import "testing"
+
+var checkURLCases = []struct {
+	name      string
+	url       string
+	expectErr bool
+}{
+	{
+		name:      "valid http://",
+		url:       "http://example.com",
+		expectErr: false,
+	},
+	{
+		name:      "valid https://",
+		url:       "https://example.com",
+		expectErr: false,
+	},
+	{
+		name:      "empty url",
+		url:       "",
+		expectErr: true,
+	},
+	{
+		name:      "invalid protocol",
+		url:       "htp://example.com",
+		expectErr: true,
+	},
+	{
+		name:      "disallowed protocol",
+		url:       "irc://example.com",
+		expectErr: true,
+	},
+}
+
+func Test_checkURL(t *testing.T) {
+	for _, tt := range checkURLCases {
+		out, err := checkURL(tt.url)
+		if err != nil && !tt.expectErr {
+			t.Errorf("%s :: %s", tt.name, err.Error())
+		}
+		if out != tt.url && !tt.expectErr {
+			t.Errorf("URL mangled. Got %s - expected %s", out, tt.url)
+		}
+		if out != "" && err != nil && tt.expectErr {
+			t.Errorf("Didn't fail when expected")
+		}
+	}
+}