Add a test for verifying that the static urls are valid

Fixes #150

internal/util/url_test.go

@@ -0,0 +1,35 @@
+package util
+
+import (
+	"net/url"
+	"reflect"
+	"testing"
+)
+
+func TestURLToGitHubProject(t *testing.T) {
+	tests := []struct {
+		name    string
+		subpath string
+	}{
+		{"Repository root", ""},
+		{"Releases", "/releases"},
+		{"Release v3.0.0", "/releases/v3.0.0"},
+		{"Supported clients", "/wiki/Supported-clients"},
+	}
+
+	const basepath = https + "://" + github + repo
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			path := basepath + tt.subpath
+			want, err := url.Parse(path)
+			if err != nil {
+				t.Errorf("Failed to parse the path %s: %v", path, err)
+				return
+			}
+
+			if got := URLToGitHubProject(tt.subpath); !reflect.DeepEqual(got, want) {
+				t.Errorf("URLToGitHubProject() = %v, want %v", got, want)
+			}
+		})
+	}
+}