nandi.uk
Fork of daniellemaywood.uk/gleam — Wasm codegen work
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1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: 2024 The Gleam contributors
3
4use crate::assert_js;
5
6#[test]
7fn custom_type_constructor_imported_and_aliased() {
8 assert_js!(
9 ("package", "other_module", "pub type T { A }"),
10 r#"import other_module.{A as B}
11
12pub const local = B
13"#,
14 );
15}
16
17#[test]
18fn imported_aliased_ok() {
19 assert_js!(
20 r#"import gleam.{Ok as Y}
21
22pub type X {
23 Ok
24}
25
26pub const y = Y
27"#,
28 );
29}
30
31#[test]
32fn imported_ok() {
33 assert_js!(
34 r#"import gleam
35
36pub type X {
37 Ok
38}
39
40pub const y = gleam.Ok
41"#,
42 );
43}
44
45#[test]
46fn constant_constructor_gets_pure_annotation() {
47 assert_js!(
48 r#"
49pub type X {
50 X(Int, List(String))
51}
52
53pub const x = X(1, ["1"])
54pub const y = X(1, [])
55 "#
56 );
57}
58
59#[test]
60fn constant_list_with_constructors_gets_pure_annotation() {
61 assert_js!(
62 r#"
63pub type X {
64 X(Int, List(String))
65}
66
67pub const x = [X(1, ["1"])]
68pub const y = [X(1, ["1"])]
69 "#
70 );
71}
72
73#[test]
74fn constant_tuple_with_constructors_gets_pure_annotation() {
75 assert_js!(
76 r#"
77pub type X {
78 X(Int, List(String))
79}
80
81pub const x = #(X(1, ["1"]))
82pub const y = #(X(1, ["1"]))
83 "#
84 );
85}
86
87#[test]
88fn literal_int_does_not_get_constant_annotation() {
89 assert_js!("pub const a = 1");
90}
91
92#[test]
93fn literal_float_does_not_get_constant_annotation() {
94 assert_js!("pub const a = 1.1");
95}
96
97#[test]
98fn literal_string_does_not_get_constant_annotation() {
99 assert_js!("pub const a = \"1\"");
100}
101
102#[test]
103fn literal_bool_does_not_get_constant_annotation() {
104 assert_js!(
105 "
106 pub const a = True
107 pub const b = False
108 "
109 );
110}
111
112#[test]
113fn literal_list_does_not_get_constant_annotation() {
114 assert_js!("pub const a = [1, 2, 3]");
115}
116
117#[test]
118fn literal_tuple_does_not_get_constant_annotation() {
119 assert_js!("pub const a = #(1, 2, 3)");
120}
121
122#[test]
123fn literal_nil_does_not_get_constant_annotation() {
124 assert_js!("pub const a = Nil");
125}
126
127// https://github.com/lpil/decode/pull/6
128#[test]
129fn constructor_function_in_constant() {
130 assert_js!("pub const a = Ok");
131}
132
133#[test]
134fn constants_get_their_own_jsdoc_comment() {
135 assert_js!(
136 "
137/// 11 is clearly the best number!
138pub const jaks_favourite_number = 11
139"
140 );
141}
142
143#[test]
144fn list_prepend() {
145 assert_js!(
146 "
147const wibble = [2, 3, 4]
148pub const wobble = [0, 1, ..wibble]
149"
150 );
151}
152
153#[test]
154fn list_prepend_from_other_module() {
155 assert_js!(
156 ("mod", "pub const wibble = [2, 3, 4]"),
157 "
158import mod
159
160pub const wobble = [0, 1, ..mod.wibble]
161"
162 );
163}
164
165#[test]
166fn list_prepend_literal() {
167 assert_js!(
168 "
169pub const wibble = [0, 1, ..[2, 3, 4]]
170"
171 );
172}