app/comments_test.go

 1package app
 2
 3import (
 4	"net/http/httptest"
 5	"net/url"
 6	"strings"
 7	"testing"
 8
 9	"github.com/krazywarez/devianter"
10)
11
12// withCommentSeams scripts the deviation and comment fetches and counts the
13// comment fetches, which is the call the link is meant to save.
14func withCommentSeams(t *testing.T, total int) *int {
15	t.Helper()
16	origDev, origCom := fetchDeviation, fetchComments
17	comments := 0
18	fetchDeviation = func(string, string) (devianter.Post, devianter.Error) {
19		var p devianter.Post
20		p.Deviation.Title = "T"
21		p.Deviation.Author.Username = "alice"
22		p.Comments.Total = total
23		return p, devianter.Error{}
24	}
25	fetchComments = func(string, string, int, int) (devianter.Comments, devianter.Error) {
26		comments++
27		return devianter.Comments{Total: total}, devianter.Error{}
28	}
29	t.Cleanup(func() { fetchDeviation, fetchComments = origDev, origCom })
30	return &comments
31}
32
33func post(args url.Values) *httptest.ResponseRecorder {
34	loadTemplates()
35	rec := httptest.NewRecorder()
36	s := skunkyart{Writer: rec, Host: "http://localhost", BasePath: "/", Args: args, _pth: "/post/alice/t-1"}
37	s.Deviation("alice", "t-1")
38	return rec
39}
40
41func TestPostShowsACommentsLinkWithoutFetching(t *testing.T) {
42	nsfw := CFG.Nsfw
43	CFG.Nsfw = true
44	defer func() { CFG.Nsfw = nsfw }()
45	fetches := withCommentSeams(t, 7)
46
47	body := post(url.Values{}).Body.String()
48
49	if *fetches != 0 {
50		t.Errorf("comments fetched %d times on a plain post view, want 0", *fetches)
51	}
52	if !strings.Contains(body, `href="/post/alice/t-1?comments=1"`) || !strings.Contains(body, "Comments (7)") {
53		t.Errorf("post lacks the comments link with its count:\n%s", body)
54	}
55}
56
57func TestPostFetchesCommentsWhenAsked(t *testing.T) {
58	nsfw := CFG.Nsfw
59	CFG.Nsfw = true
60	defer func() { CFG.Nsfw = nsfw }()
61	fetches := withCommentSeams(t, 7)
62
63	body := post(url.Values{"comments": {"1"}}).Body.String()
64
65	if *fetches != 1 {
66		t.Errorf("comments fetched %d times with ?comments=1, want 1", *fetches)
67	}
68	if !strings.Contains(body, "<details><summary>Comments: <b>7</b>") {
69		t.Errorf("thread not rendered:\n%s", body)
70	}
71}
72
73func TestNavBaseKeepsTheCommentsParameter(t *testing.T) {
74	s := skunkyart{_pth: "/post/alice/t-1", Args: url.Values{"comments": {"1"}}, Page: 1}
75	out := s.NavBase(DeviationList{More: true})
76	if !strings.Contains(out, "?p=2&comments=1") {
77		t.Errorf("next link drops comments=1:\n%s", out)
78	}
79}
80
81func TestGroupSearchURLPagesByTen(t *testing.T) {
82	cases := map[int]string{
83		0: "https://www.deviantart.com/groups/?q=cats",
84		1: "https://www.deviantart.com/groups/?q=cats",
85		2: "https://www.deviantart.com/groups/?q=cats&offset=10",
86		3: "https://www.deviantart.com/groups/?q=cats&offset=20",
87	}
88	for page, want := range cases {
89		if got := groupSearchURL("cats", page); got != want {
90			t.Errorf("page %d: %s, want %s", page, got, want)
91		}
92	}
93}