keii.dev
1use crate::assert_js;
2use crate::javascript::tests::CURRENT_PACKAGE;
3
4#[test]
5fn empty_module() {
6 // Renders an export statement to ensure it's an ESModule
7 assert_js!("", "export {}\n");
8}
9
10#[test]
11fn unqualified_fn_call() {
12 assert_js!(
13 ("rocket_ship", r#"pub fn launch() { 1 }"#),
14 r#"import rocket_ship.{launch}
15pub fn go() { launch() }
16"#,
17 );
18}
19
20#[test]
21fn aliased_unqualified_fn_call() {
22 assert_js!(
23 ("rocket_ship", r#"pub fn launch() { 1 }"#),
24 r#"import rocket_ship.{launch as boom_time}
25pub fn go() { boom_time() }
26"#,
27 );
28}
29
30#[test]
31fn multiple_unqualified_fn_call() {
32 assert_js!(
33 (
34 CURRENT_PACKAGE,
35 "rocket_ship",
36 r#"
37pub fn a() { 1 }
38pub fn b() { 2 }"#
39 ),
40 r#"import rocket_ship.{a,b as bb}
41pub fn go() { a() + bb() }
42"#,
43 );
44}
45
46#[test]
47fn constant() {
48 assert_js!(
49 ("rocket_ship", r#"pub const x = 1"#),
50 r#"
51import rocket_ship
52pub fn go() { rocket_ship.x }
53"#,
54 );
55}
56
57#[test]
58fn alias_aliased_constant() {
59 assert_js!(
60 ("rocket_ship", r#"pub const x = 1"#),
61 r#"
62import rocket_ship.{ x as y }
63pub const z = y
64"#,
65 );
66}
67
68#[test]
69fn renamed_module() {
70 assert_js!(
71 ("x", r#"pub const v = 1"#),
72 r#"
73import x as y
74pub const z = y.v
75"#,
76 );
77}
78
79#[test]
80fn nested_module_constant() {
81 assert_js!(
82 (
83 CURRENT_PACKAGE,
84 "rocket_ship/launcher",
85 r#"pub const x = 1"#
86 ),
87 r#"
88import rocket_ship/launcher
89pub fn go() { launcher.x }
90"#,
91 );
92}
93
94#[test]
95fn alias_constant() {
96 assert_js!(
97 ("rocket_ship", r#"pub const x = 1"#),
98 r#"
99import rocket_ship as boop
100pub fn go() { boop.x }
101"#,
102 );
103}
104
105#[test]
106fn alias_fn_call() {
107 assert_js!(
108 ("rocket_ship", r#"pub fn go() { 1 }"#),
109 r#"
110import rocket_ship as boop
111pub fn go() { boop.go() }
112"#,
113 );
114}
115
116#[test]
117fn nested_fn_call() {
118 assert_js!(
119 ("one/two", r#"pub fn go() { 1 }"#),
120 r#"import one/two
121pub fn go() { two.go() }"#,
122 );
123}
124
125#[test]
126fn nested_nested_fn_call() {
127 assert_js!(
128 ("one/two/three", r#"pub fn go() { 1 }"#),
129 r#"import one/two/three
130pub fn go() { three.go() }"#,
131 );
132}
133
134#[test]
135fn different_package_import() {
136 assert_js!(
137 ("other_package", "one", r#"pub fn go() { 1 }"#),
138 r#"import one
139pub fn go() { one.go() }
140"#,
141 );
142}
143
144#[test]
145fn nested_same_package() {
146 assert_js!(
147 ("one/two/three", r#"pub fn go() { 1 }"#),
148 r#"import one/two/three
149pub fn go() { three.go() }
150"#,
151 );
152}
153
154#[test]
155fn discarded_duplicate_import() {
156 assert_js!(
157 ("esa/rocket_ship", r#"pub fn go() { 1 }"#),
158 ("nasa/rocket_ship", r#"pub fn go() { 1 }"#),
159 r#"
160import esa/rocket_ship
161import nasa/rocket_ship as _nasa_rocket
162pub fn go() { rocket_ship.go() }
163"#
164 );
165}
166
167#[test]
168fn discarded_duplicate_import_with_unqualified() {
169 assert_js!(
170 ("esa/rocket_ship", r#"pub fn go() { 1 }"#),
171 ("nasa/rocket_ship", r#"pub fn go() { 1 }"#),
172 r#"
173import esa/rocket_ship
174import nasa/rocket_ship.{go} as _nasa_rocket
175pub fn esa_go() { rocket_ship.go() }
176pub fn nasa_go() { go() }
177"#
178 );
179}
180
181#[test]
182fn import_with_keyword() {
183 assert_js!(
184 (
185 CURRENT_PACKAGE,
186 "rocket_ship",
187 r#"
188pub const class = 1
189pub const in = 2
190"#
191 ),
192 r#"
193import rocket_ship.{class, in as while}
194pub fn main() {
195 #(class, while)
196}
197"#
198 );
199}
200
201// https://github.com/gleam-lang/gleam/issues/3004
202#[test]
203fn constant_module_access_with_keyword() {
204 assert_js!(
205 ("rocket_ship", r#"pub const class = 1"#),
206 r#"
207import rocket_ship
208pub const variable = rocket_ship.class
209"#,
210 );
211}