1package server
2
3import (
4 "strings"
5 "testing"
6
7 "github.com/bnema/go-wayland-bindings/spec"
8)
9
10func TestUntypedNewIDEvent(t *testing.T) {
11 p := &spec.Protocol{Interfaces: []spec.Interface{{Name: "test_device", Version: 1, Events: []spec.Message{{Name: "created", Args: []spec.Arg{{Name: "id", Type: "new_id"}}}}}}}
12 b, err := Generate(p, Options{Package: "test"})
13 if err != nil {
14 t.Fatal(err)
15 }
16 s := string(b)
17 if !strings.HasPrefix(s, "// Code generated by wlbgen; DO NOT EDIT.\n") {
18 t.Fatalf("unexpected header:\n%s", s)
19 }
20 if !strings.Contains(s, `Signature: "sun"`) || !strings.Contains(s, `server.String(&p, id.Iface().Name, false), server.Uint(uint32(id.Version())), server.NewID(id)`) {
21 t.Fatalf("untyped new_id event missing wire args:\n%s", s)
22 }
23}
24
25func TestToolHeader(t *testing.T) {
26 p := &spec.Protocol{Interfaces: []spec.Interface{{Name: "test_device", Version: 1}}}
27 b, err := Generate(p, Options{Package: "test", Tool: "wlgen"})
28 if err != nil {
29 t.Fatal(err)
30 }
31 if !strings.HasPrefix(string(b), "// Code generated by wlgen; DO NOT EDIT.\n") {
32 t.Fatalf("unexpected header:\n%s", b)
33 }
34}
35
36func TestUnknownInterface(t *testing.T) {
37 p := &spec.Protocol{Interfaces: []spec.Interface{{Name: "a", Version: 1, Events: []spec.Message{{Name: "e", Args: []spec.Arg{{Name: "o", Type: "object", Interface: "missing"}}}}}}}
38 if _, err := Generate(p, Options{Package: "test"}); err == nil {
39 t.Fatal("expected error for unknown interface")
40 }
41}
42
43func TestSignature(t *testing.T) {
44 cases := []struct {
45 m spec.Message
46 want string
47 }{
48 {spec.Message{Name: "bind", Args: []spec.Arg{{Type: "uint"}, {Type: "new_id"}}}, "usun"},
49 {spec.Message{Since: 2, Args: []spec.Arg{{Type: "object", AllowNull: true}, {Type: "fd"}, {Type: "fixed"}}}, "2?ohf"},
50 {spec.Message{Args: []spec.Arg{{Type: "new_id", Interface: "wl_surface"}}}, "n"},
51 }
52 for _, c := range cases {
53 if got := signature(c.m); got != c.want {
54 t.Errorf("signature(%+v)=%q, want %q", c.m, got, c.want)
55 }
56 }
57}
58
59func TestLicenseHeader(t *testing.T) {
60 p := &spec.Protocol{Interfaces: []spec.Interface{{Name: "test_device", Version: 1}}}
61 const copyright = "\n Copyright 2024 Someone\n\n Permission is hereby granted\n"
62 gen := func(o Options) string {
63 o.Package = "test"
64 b, err := Generate(p, o)
65 if err != nil {
66 t.Fatal(err)
67 }
68 return string(b)
69 }
70
71 got := gen(Options{Copyright: copyright, SPDX: "LGPL-2.1-or-later"})
72 want := "// Code generated by wlbgen; DO NOT EDIT.\n// SPDX-License-Identifier: LGPL-2.1-or-later\n\n" +
73 "// Upstream protocol copyright and license:\n// Copyright 2024 Someone\n//\n// Permission is hereby granted\n\npackage test\n"
74 if !strings.HasPrefix(got, want) {
75 t.Fatalf("header:\n%s\nwant prefix:\n%s", got, want)
76 }
77
78 // An SPDX line already inside the copyright text is not repeated.
79 got = gen(Options{Copyright: "Copyright X\nSPDX-License-Identifier: MIT\n", SPDX: "MIT"})
80 if n := strings.Count(got, "SPDX-License-Identifier: MIT"); n != 1 {
81 t.Fatalf("SPDX line appears %d times:\n%s", n, got)
82 }
83
84 // Copyright without SPDX.
85 got = gen(Options{Copyright: copyright})
86 if strings.Contains(got, "SPDX") || !strings.Contains(got, "// Copyright 2024 Someone\n") {
87 t.Fatalf("unexpected header:\n%s", got)
88 }
89
90 // Neither: the header stays minimal.
91 if got = gen(Options{}); !strings.HasPrefix(got, "// Code generated by wlbgen; DO NOT EDIT.\npackage test\n") {
92 t.Fatalf("unexpected header:\n%s", got)
93 }
94}