add tests

pkg/rhttp/rhttp_test.go

@@ -0,0 +1,56 @@
+package rhttp
+
+import "testing"
+
+func TestURLHasPrefix(t *testing.T) {
+	tests := map[string]struct {
+		url      string
+		prefix   string
+		expected bool
+	}{
+		"root": {
+			url:      "/",
+			prefix:   "/",
+			expected: true,
+		},
+		"suburl_root": {
+			url:      "/api/v0",
+			prefix:   "/",
+			expected: true,
+		},
+		"suburl_root_slash_end": {
+			url:      "/api/v0/",
+			prefix:   "/",
+			expected: true,
+		},
+		"suburl_root_no_slash": {
+			url:      "/api/v0",
+			prefix:   "",
+			expected: true,
+		},
+		"no_common_prefix": {
+			url:      "/api/v0/project",
+			prefix:   "/api/v0/p",
+			expected: false,
+		},
+		"long_url_prefix": {
+			url:      "/api/v0/project/test",
+			prefix:   "/api/v0",
+			expected: true,
+		},
+		"prefix_end_slash": {
+			url:      "/api/v0/project/test",
+			prefix:   "/api/v0/",
+			expected: true,
+		},
+	}
+
+	for name, test := range tests {
+		t.Run(name, func(t *testing.T) {
+			res := urlHasPrefix(test.url, test.prefix)
+			if res != test.expected {
+				t.Fatalf("%s got an unexpected result: %+v instead of %+v", t.Name(), res, test.expected)
+			}
+		})
+	}
+}