test hexa16 and cache.

package isogrids

import (

	"net/http"

	"net/http/httptest"

	"testing"

	"github.com/taironas/route"

	tgTesting "github.com/taironas/tinygraphs/testing"

)

func TestHexa16(t *testing.T) {

	t.Parallel()

	r := new(route.Router)

	r.HandleFunc("/isogrids/labs/hexa16", Hexa)

	r.HandleFunc("/isogrids/labs/hexa16/:key", Hexa)

	test := tgTesting.GenerateHandlerFunc(t, Hexa)

	for _, p := range tgTesting.GoodParams {

		recorder := test("/isogrids/labs/hexa16", "GET", p, r)

		if recorder.Code != http.StatusOK {

			t.Errorf("returned %v. Expected %v.", recorder.Code, http.StatusOK)

		}

		recorder = test("/isogrids/labs/hexa16/somekey", "GET", p, r)

		if recorder.Code != http.StatusOK {

			t.Errorf("returned %v. Expected %v.", recorder.Code, http.StatusOK)

		}

	}

	for _, p := range tgTesting.BadParams {

		recorder := test("/isogrids/labs/hexa16", "GET", p, r)

		if recorder.Code != http.StatusOK {

			t.Errorf("returned %v. Expected %v.", recorder.Code, http.StatusOK)

		}

		recorder = test("/isogrids/labs/hexa16/somekey", "GET", p, r)

		if recorder.Code != http.StatusOK {

			t.Errorf("returned %v. Expected %v.", recorder.Code, http.StatusOK)

		}

	}

}

func TestHexa16Cache(t *testing.T) {

	t.Parallel()

	r := new(route.Router)

	r.HandleFunc("/isogrids/labs/hexa16/:key", Hexa16)

	var etag string

	test := tgTesting.GenerateHandlerFunc(t, Hexa16)

	if recorder := test("/isogrids/labs/hexa16/somekey", "GET", nil, r); recorder != nil {

		if recorder.Code != http.StatusOK {

			t.Errorf("returned %v. Expected %v.", recorder.Code, http.StatusOK)

		}

		etag = recorder.Header().Get("Etag")

	}

	// test caching

	if req, err := http.NewRequest("GET", "/isogrids/labs/hexa16/somekey", nil); err != nil {

		t.Errorf("%v", err)

	} else {

		req.Header.Set("If-None-Match", etag)

		recorder := httptest.NewRecorder()

		r.ServeHTTP(recorder, req)

		if recorder.Code != http.StatusNotModified {

			t.Errorf("returned %v. Expected %v.", recorder.Code, http.StatusNotModified)

		}

	}

}