splitter_test.gno

 1package splitter
 2
 3import (
 4	"strings"
 5	"testing"
 6
 7	"gno.land/p/nt/avl/v0"
 8	"gno.land/p/nt/testutils/v0"
 9	"gno.land/p/nt/uassert/v0"
10)
11
12func reset() {
13	groups = avl.Tree{}
14	nextID = 0
15}
16
17func TestRegisterAndOwed(cur realm, t *testing.T) {
18	// reset package state for a deterministic run
19	reset()
20
21	owner := testutils.TestAddress("owner")
22	testing.SetRealm(testing.NewUserRealm(owner))
23
24	a := testutils.TestAddress("alice").String()
25	b := testutils.TestAddress("bob").String()
26
27	id := Register(cross(cur), a+","+b, "3,1")
28	uassert.Equal(t, 0, id, "first group id should be 0")
29
30	// pool 100, shares 3:1 -> alice 75, bob 25
31	RecordIncome(cross(cur), id, 100)
32
33	out := Render("")
34	uassert.True(t, strings.Contains(out, "Group #0"), "render shows group")
35	uassert.True(t, strings.Contains(out, "| 3 | 75 |"), "alice owed 75")
36	uassert.True(t, strings.Contains(out, "| 1 | 25 |"), "bob owed 25")
37	uassert.True(t, strings.Contains(out, "Pool: 100"), "pool shown")
38}
39
40func TestRoundingRemainder(cur realm, t *testing.T) {
41	reset()
42
43	owner := testutils.TestAddress("owner2")
44	testing.SetRealm(testing.NewUserRealm(owner))
45
46	a := testutils.TestAddress("a").String()
47	b := testutils.TestAddress("b").String()
48	c := testutils.TestAddress("c").String()
49
50	id := Register(cross(cur), a+","+b+","+c, "1,1,1")
51	RecordIncome(cross(cur), id, 100) // 100/3 = 33 each, remainder 1
52
53	out := Render("")
54	uassert.True(t, strings.Contains(out, "| 1 | 33 |"), "each owed 33")
55	uassert.True(t, strings.Contains(out, "remainder"), "remainder row shown")
56	uassert.True(t, strings.Contains(out, "| 1 |\n"), "remainder value 1")
57}
58
59func TestBadInputAborts(cur realm, t *testing.T) {
60	reset()
61
62	owner := testutils.TestAddress("owner3")
63	testing.SetRealm(testing.NewUserRealm(owner))
64
65	a := testutils.TestAddress("alice").String()
66
67	// mismatched payees/shares count aborts
68	uassert.AbortsWithMessage(t, cur, "splitter: payees and shares count mismatch", func() {
69		Register(cross(cur), a, "1,2")
70	})
71
72	// non-positive share aborts
73	uassert.AbortsWithMessage(t, cur, "splitter: share must be positive", func() {
74		Register(cross(cur), a, "0")
75	})
76}