leaderboard_test.gno

 1package leaderboard
 2
 3import (
 4	"strings"
 5	"testing"
 6
 7	"gno.land/p/nt/uassert/v0"
 8)
 9
10// resetState clears package globals between tests. Global-state reset belongs
11// in a helper; realm setup (SetRealm) must NOT — it only affects its own frame.
12func resetState() {
13	keys := []string{}
14	players.Iterate("", "", func(key string, _ any) bool {
15		keys = append(keys, key)
16		return false
17	})
18	for _, k := range keys {
19		players.Remove(k)
20	}
21}
22
23const (
24	alice = "g1alice00000000000000000000000000000000"
25	bob   = "g1bob0000000000000000000000000000000000"
26	carol = "g1carol00000000000000000000000000000000"
27)
28
29// Crossing test: takes `cur realm` so it can call crossing functions via
30// cross(cur). SetRealm is called directly in this frame (never via a helper).
31func TestAddPointsAccumulatesAndRanks(cur realm, t *testing.T) {
32	resetState()
33
34	testing.SetRealm(testing.NewUserRealm(address(alice)))
35	AddPoints(cross(cur), 10)
36	AddPoints(cross(cur), 5) // accumulates -> 15
37
38	testing.SetRealm(testing.NewUserRealm(address(bob)))
39	AddPoints(cross(cur), 20)
40
41	uassert.Equal(t, 15, get(address(alice)).points, "alice points")
42	uassert.Equal(t, 20, get(address(bob)).points, "bob points")
43
44	// Ranking: bob (20) outranks alice (15).
45	ranked := snapshot()
46	uassert.Equal(t, 2, len(ranked), "player count")
47	uassert.Equal(t, bob, ranked[0].addr.String(), "rank 1 is bob")
48	uassert.Equal(t, alice, ranked[1].addr.String(), "rank 2 is alice")
49}
50
51func TestRenderTableWithMedalsAndName(cur realm, t *testing.T) {
52	resetState()
53
54	// Empty board.
55	uassert.True(t, strings.Contains(Render(""), "No players yet"), "empty placeholder")
56
57	testing.SetRealm(testing.NewUserRealm(address(alice)))
58	AddPoints(cross(cur), 30)
59	SetName(cross(cur), "Alice")
60
61	testing.SetRealm(testing.NewUserRealm(address(bob)))
62	AddPoints(cross(cur), 20)
63
64	testing.SetRealm(testing.NewUserRealm(address(carol)))
65	AddPoints(cross(cur), 10)
66
67	out := Render("")
68
69	uassert.True(t, strings.Contains(out, "| 🥇 | Alice | 30 |"), "Alice gold row")
70	uassert.True(t, strings.Contains(out, "🥈"), "silver medal present")
71	uassert.True(t, strings.Contains(out, "🥉"), "bronze medal present")
72	uassert.True(t, strings.Contains(out, "Total players: **3**"), "total players count")
73}
74
75func TestSetNameTooLongPanics(cur realm, t *testing.T) {
76	resetState()
77	testing.SetRealm(testing.NewUserRealm(address(alice)))
78	uassert.AbortsWithMessage(t, cur, "name too long (max 32)", func() {
79		SetName(cross(cur), strings.Repeat("x", 33))
80	})
81}
82
83func TestAddPointsRejectsNonPositive(cur realm, t *testing.T) {
84	resetState()
85	testing.SetRealm(testing.NewUserRealm(address(alice)))
86	uassert.AbortsWithMessage(t, cur, "points must be positive", func() {
87		AddPoints(cross(cur), 0)
88	})
89}