render_test.gno

 1package tictactoe
 2
 3import (
 4	"strconv"
 5	"strings"
 6	"testing"
 7
 8	"gno.land/p/nt/uassert/v0"
 9)
10
11// emptyRow is one rendered board row with no marks. The trailing space after
12// the final pipe is part of renderBoard's output — keep it.
13const emptyRow = "| · | · | · | \n"
14
15// TestRenderGame pins the exact single-game view. The game id is taken from
16// NewGame rather than hardcoded: realm globals persist across tests, so the
17// id depends on how many games earlier tests created.
18func TestRenderGame(cur realm, t *testing.T) {
19	testing.SetRealm(testing.NewUserRealm(alice))
20	id := NewGame(cross(cur), bob)
21
22	want := "# Tic-Tac-Toe — Game #" + strconv.Itoa(id) + "\n\n" +
23		"- X: `" + alice.String() + "`\n" +
24		"- O: `" + bob.String() + "`\n\n" +
25		emptyRow + emptyRow + emptyRow +
26		"\n**Turn: X**\n\n" +
27		"Cell indices:\n\n" +
28		"| 0 | 1 | 2 |\n| 3 | 4 | 5 |\n| 6 | 7 | 8 |\n"
29
30	uassert.Equal(t, want, Render("/"+strconv.Itoa(id)))
31}
32
33// TestRenderReflectsMoves checks the board and status track game state.
34func TestRenderReflectsMoves(cur realm, t *testing.T) {
35	testing.SetRealm(testing.NewUserRealm(alice))
36	id := NewGame(cross(cur), bob)
37	path := "/" + strconv.Itoa(id)
38
39	testing.SetRealm(testing.NewUserRealm(alice))
40	Move(cross(cur), id, 0)
41
42	out := Render(path)
43	uassert.True(t, strings.Contains(out, "| X | · | · | \n"), "X should appear in cell 0")
44	uassert.True(t, strings.Contains(out, "**Turn: O**"), "turn should pass to O")
45
46	testing.SetRealm(testing.NewUserRealm(bob))
47	Move(cross(cur), id, 4)
48	out = Render(path)
49	uassert.True(t, strings.Contains(out, "| X | · | · | \n| · | O | · | \n"), "O should appear in cell 4, below X")
50	uassert.True(t, strings.Contains(out, "**Turn: X**"), "turn should pass back to X")
51}
52
53// TestRenderFinishedStatus checks a decided game reports its winner.
54func TestRenderFinishedStatus(cur realm, t *testing.T) {
55	testing.SetRealm(testing.NewUserRealm(alice))
56	id := NewGame(cross(cur), bob)
57
58	// X takes the top row.
59	seq := []struct {
60		who  address
61		cell int
62	}{{alice, 0}, {bob, 3}, {alice, 1}, {bob, 4}, {alice, 2}}
63	for _, s := range seq {
64		testing.SetRealm(testing.NewUserRealm(s.who))
65		Move(cross(cur), id, s.cell)
66	}
67
68	uassert.True(t, strings.Contains(Render("/"+strconv.Itoa(id)), "**Winner: X**"), "should report X as winner")
69}
70
71// TestRenderBadPaths covers the two error branches of Render.
72func TestRenderBadPaths(cur realm, t *testing.T) {
73	uassert.Equal(t, "# Tic-Tac-Toe\n\nInvalid game id: abc\n", Render("/abc"))
74	uassert.Equal(t, "# Tic-Tac-Toe\n\nGame 999999 not found.\n", Render("/999999"))
75}
76
77// TestRenderList checks the index lists games created in this run.
78func TestRenderList(cur realm, t *testing.T) {
79	testing.SetRealm(testing.NewUserRealm(alice))
80	id := NewGame(cross(cur), bob)
81
82	out := Render("")
83	uassert.True(t, strings.HasPrefix(out, "# Tic-Tac-Toe\n"), "expected the index header")
84	uassert.True(t, strings.Contains(out, "| # | X | O | Status |"), "expected the table header")
85	uassert.True(t, strings.Contains(out, "| "+strconv.Itoa(id)+" | `"+alice.String()+"`"), "expected the new game listed")
86}