guestbook_test.gno

 1package guestbook
 2
 3import (
 4	"strings"
 5	"testing"
 6
 7	"gno.land/p/nt/avl/v0"
 8)
 9
10// resetState clears package globals between tests (globals persist across
11// test functions in the same package binary).
12func resetState() {
13	entries = avl.NewTree()
14	count = 0
15}
16
17func TestAddEntryAppendsAndCounts(t *testing.T) {
18	resetState()
19
20	addEntry("g1alice", "hello world", 100)
21	addEntry("g1bob", "second entry", 101)
22
23	if got := Count(); got != 2 {
24		t.Fatalf("Count() = %d, want 2", got)
25	}
26
27	out := Render("")
28	if !strings.Contains(out, "**Total signatures:** 2") {
29		t.Errorf("Render missing total; got:\n%s", out)
30	}
31	if !strings.Contains(out, "hello world") {
32		t.Errorf("Render missing first message; got:\n%s", out)
33	}
34	if !strings.Contains(out, "second entry") {
35		t.Errorf("Render missing second message; got:\n%s", out)
36	}
37	if !strings.Contains(out, "100") || !strings.Contains(out, "101") {
38		t.Errorf("Render missing heights; got:\n%s", out)
39	}
40}
41
42func TestRenderNewestFirst(t *testing.T) {
43	resetState()
44
45	addEntry("g1alice", "AAA-oldest", 1)
46	addEntry("g1alice", "BBB-newest", 2)
47
48	out := Render("")
49	iNew := strings.Index(out, "BBB-newest")
50	iOld := strings.Index(out, "AAA-oldest")
51	if iNew < 0 || iOld < 0 {
52		t.Fatalf("both messages must appear; got:\n%s", out)
53	}
54	if iNew > iOld {
55		t.Errorf("newest entry should render before oldest; got:\n%s", out)
56	}
57}
58
59func TestRenderEmpty(t *testing.T) {
60	resetState()
61
62	out := Render("")
63	if !strings.Contains(out, "No one has signed yet") {
64		t.Errorf("empty render should invite signing; got:\n%s", out)
65	}
66}
67
68func TestEmptyMessagePanics(t *testing.T) {
69	resetState()
70
71	defer func() {
72		if r := recover(); r == nil {
73			t.Errorf("signing an empty message should panic")
74		}
75	}()
76	addEntry("g1alice", "   ", 1)
77}
78
79func TestEscapeCell(t *testing.T) {
80	cases := []struct {
81		in, want string
82	}{
83		{"plain", "plain"},
84		{"a|b", "a\\|b"},
85		{"line1\nline2", "line1 line2"},
86	}
87	for _, tc := range cases {
88		if got := escapeCell(tc.in); got != tc.want {
89			t.Errorf("escapeCell(%q) = %q, want %q", tc.in, got, tc.want)
90		}
91	}
92}
93
94func TestSeqKeyOrders(t *testing.T) {
95	if a, b := seqKey(2), seqKey(10); !(a < b) {
96		t.Errorf("seqKey(2)=%q should sort before seqKey(10)=%q", a, b)
97	}
98}