nandi.uk
Fork of daniellemaywood.uk/gleam — Wasm codegen work
1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: 2024 The Gleam contributors
3
4use crate::{assert_format, assert_format_rewrite};
5
6#[test]
7pub fn single_line_pipeline_longer_than_line_limit_gets_split() {
8 assert_format_rewrite!(
9 r#"pub fn main() {
10 wibble |> wobble |> loooooooooooooooooooooooooooooooooooooooooooong_function_name
11}
12"#,
13 r#"pub fn main() {
14 wibble
15 |> wobble
16 |> loooooooooooooooooooooooooooooooooooooooooooong_function_name
17}
18"#,
19 );
20}
21
22#[test]
23pub fn single_line_pipeline_shorter_than_line_limit_is_kept_on_a_single_line() {
24 assert_format!(
25 r#"pub fn main() {
26 wibble(1) |> wobble
27}
28"#
29 );
30}
31
32#[test]
33pub fn multi_line_pipeline_is_split_no_matter_the_length() {
34 assert_format!(
35 r#"pub fn main() {
36 wibble(1)
37 |> wobble
38}
39"#
40 );
41}
42
43#[test]
44pub fn adding_a_newline_to_a_pipeline_splits_all() {
45 assert_format_rewrite!(
46 r#"pub fn main() {
47 wibble |> wobble
48 |> wabble
49}
50"#,
51 r#"pub fn main() {
52 wibble
53 |> wobble
54 |> wabble
55}
56"#,
57 );
58}
59
60#[test]
61pub fn multiline_function_inside_pipeline_function_argument_is_indented_properly() {
62 assert_format!(
63 r#"pub fn main() {
64 function(
65 arg0,
66 thing
67 |> string.replace(
68 "{something something}",
69 date.month_to_string(month, config.l10n.context),
70 ),
71 )
72}
73"#,
74 );
75}
76
77#[test]
78pub fn multiline_function_inside_pipeline_in_list_is_indented_properly() {
79 assert_format!(
80 r#"pub fn main() {
81 [
82 item1,
83 thing
84 |> string.replace(
85 "{something something}",
86 date.month_to_string(month, config.l10n.context),
87 ),
88 ]
89}
90"#,
91 );
92}
93
94#[test]
95pub fn multiline_function_inside_pipeline_in_tuple_is_indented_properly() {
96 assert_format!(
97 r#"pub fn main() {
98 #(
99 item1,
100 thing
101 |> string.replace(
102 "{something something}",
103 date.month_to_string(month, config.l10n.context),
104 ),
105 )
106}
107"#,
108 );
109}
110
111#[test]
112fn pipe_with_labelled_first_argument_capture() {
113 assert_format!(
114 "fn wibble(label1 a, label2 b, lots c, of d, labels e) {
115 a + b * c - d / e
116}
117
118fn main() {
119 1 |> wibble(label1: _, label2: 2, lots: 3, of: 4, labels: 5)
120}
121"
122 );
123}
124
125#[test]
126fn pipe_with_labelled_only_argument_capture() {
127 assert_format!(
128 "fn wibble(descriptive_label value) {
129 value
130}
131
132fn main() {
133 42 |> wibble(descriptive_label: _)
134}
135"
136 );
137}