added a test for HasName

lib/web/app/handler_test.go

@@ -103,6 +103,42 @@ func TestAuthPOST(t *testing.T) {
 	}
 }
 
+func TestHasName(t *testing.T) {
+	for _, test := range []struct {
+		desc        string
+		addrs       []string
+		reqHost     string
+		reqURL      string
+		expectedURL string
+		hasName     bool
+	}{
+		{
+			desc:        "NOK - invalid host",
+			addrs:       []string{"proxy.com"},
+			reqURL:      "badurl.com",
+			expectedURL: "",
+			hasName:     false,
+		},
+		{
+			desc:        "OK - adds path",
+			addrs:       []string{"proxy.com"},
+			reqURL:      "https://app1.proxy.com/foo",
+			expectedURL: "https://proxy.com/web/launch/app1.proxy.com%3Fpath=/foo",
+			hasName:     true,
+		},
+	} {
+		t.Run(test.desc, func(t *testing.T) {
+			req, err := http.NewRequest(http.MethodGet, test.reqURL, nil)
+			require.NoError(t, err)
+
+			addrs := utils.MustParseAddrList(test.addrs...)
+			u, ok := HasName(req, addrs)
+			require.Equal(t, test.expectedURL, u)
+			require.Equal(t, test.hasName, ok)
+		})
+	}
+}
+
 func TestMatchApplicationServers(t *testing.T) {
 	clusterName := "test-cluster"
 	publicAddr := "app.example.com"