1mod keymap_file;
2pub mod settings_file;
3pub mod watched_json;
4
5use anyhow::{bail, Result};
6use gpui::{
7 font_cache::{FamilyId, FontCache},
8 AssetSource,
9};
10use schemars::{
11 gen::{SchemaGenerator, SchemaSettings},
12 schema::{InstanceType, ObjectValidation, Schema, SchemaObject, SingleOrVec},
13 JsonSchema,
14};
15use serde::{de::DeserializeOwned, Deserialize, Serialize};
16use serde_json::Value;
17use sqlez::{
18 bindable::{Bind, Column},
19 statement::Statement,
20};
21use std::{collections::HashMap, fmt::Write as _, num::NonZeroU32, str, sync::Arc};
22use theme::{Theme, ThemeRegistry};
23use tree_sitter::Query;
24use util::ResultExt as _;
25
26pub use keymap_file::{keymap_file_json_schema, KeymapFileContent};
27
28#[derive(Clone)]
29pub struct Settings {
30 pub experiments: FeatureFlags,
31 pub projects_online_by_default: bool,
32 pub buffer_font_family: FamilyId,
33 pub default_buffer_font_size: f32,
34 pub buffer_font_size: f32,
35 pub active_pane_magnification: f32,
36 pub cursor_blink: bool,
37 pub hover_popover_enabled: bool,
38 pub show_completions_on_input: bool,
39 pub vim_mode: bool,
40 pub autosave: Autosave,
41 pub default_dock_anchor: DockAnchor,
42 pub editor_defaults: EditorSettings,
43 pub editor_overrides: EditorSettings,
44 pub git: GitSettings,
45 pub git_overrides: GitSettings,
46 pub journal_defaults: JournalSettings,
47 pub journal_overrides: JournalSettings,
48 pub terminal_defaults: TerminalSettings,
49 pub terminal_overrides: TerminalSettings,
50 pub language_defaults: HashMap<Arc<str>, EditorSettings>,
51 pub language_overrides: HashMap<Arc<str>, EditorSettings>,
52 pub lsp: HashMap<Arc<str>, LspSettings>,
53 pub theme: Arc<Theme>,
54 pub staff_mode: bool,
55}
56
57#[derive(Copy, Clone, Debug, Default, Serialize, Deserialize, JsonSchema)]
58pub struct FeatureFlags {
59 pub experimental_themes: bool,
60}
61
62impl FeatureFlags {
63 pub fn keymap_files(&self) -> Vec<&'static str> {
64 vec![]
65 }
66}
67
68#[derive(Copy, Clone, Debug, Default, Serialize, Deserialize, JsonSchema)]
69pub struct GitSettings {
70 pub git_gutter: Option<GitGutter>,
71 pub gutter_debounce: Option<u64>,
72}
73
74#[derive(Clone, Copy, Debug, Default, Serialize, Deserialize, JsonSchema)]
75#[serde(rename_all = "snake_case")]
76pub enum GitGutter {
77 #[default]
78 TrackedFiles,
79 Hide,
80}
81
82pub struct GitGutterConfig {}
83
84#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema)]
85pub struct EditorSettings {
86 pub tab_size: Option<NonZeroU32>,
87 pub hard_tabs: Option<bool>,
88 pub soft_wrap: Option<SoftWrap>,
89 pub preferred_line_length: Option<u32>,
90 pub format_on_save: Option<FormatOnSave>,
91 pub formatter: Option<Formatter>,
92 pub enable_language_server: Option<bool>,
93}
94
95#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
96#[serde(rename_all = "snake_case")]
97pub enum SoftWrap {
98 None,
99 EditorWidth,
100 PreferredLineLength,
101}
102#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
103#[serde(rename_all = "snake_case")]
104pub enum FormatOnSave {
105 On,
106 Off,
107 LanguageServer,
108 External {
109 command: String,
110 arguments: Vec<String>,
111 },
112}
113
114#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
115#[serde(rename_all = "snake_case")]
116pub enum Formatter {
117 LanguageServer,
118 External {
119 command: String,
120 arguments: Vec<String>,
121 },
122}
123
124#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
125#[serde(rename_all = "snake_case")]
126pub enum Autosave {
127 Off,
128 AfterDelay { milliseconds: u64 },
129 OnFocusChange,
130 OnWindowChange,
131}
132
133#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema)]
134pub struct JournalSettings {
135 pub path: Option<String>,
136 pub hour_format: Option<HourFormat>,
137}
138
139impl Default for JournalSettings {
140 fn default() -> Self {
141 Self {
142 path: Some("~".into()),
143 hour_format: Some(Default::default()),
144 }
145 }
146}
147
148#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema)]
149#[serde(rename_all = "snake_case")]
150pub enum HourFormat {
151 Hour12,
152 Hour24,
153}
154
155impl Default for HourFormat {
156 fn default() -> Self {
157 Self::Hour12
158 }
159}
160
161#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema)]
162pub struct TerminalSettings {
163 pub shell: Option<Shell>,
164 pub working_directory: Option<WorkingDirectory>,
165 pub font_size: Option<f32>,
166 pub font_family: Option<String>,
167 pub env: Option<HashMap<String, String>>,
168 pub blinking: Option<TerminalBlink>,
169 pub alternate_scroll: Option<AlternateScroll>,
170 pub option_as_meta: Option<bool>,
171 pub copy_on_select: Option<bool>,
172}
173
174#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
175#[serde(rename_all = "snake_case")]
176pub enum TerminalBlink {
177 Off,
178 TerminalControlled,
179 On,
180}
181
182impl Default for TerminalBlink {
183 fn default() -> Self {
184 TerminalBlink::TerminalControlled
185 }
186}
187
188#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
189#[serde(rename_all = "snake_case")]
190pub enum Shell {
191 System,
192 Program(String),
193 WithArguments { program: String, args: Vec<String> },
194}
195
196impl Default for Shell {
197 fn default() -> Self {
198 Shell::System
199 }
200}
201
202#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
203#[serde(rename_all = "snake_case")]
204pub enum AlternateScroll {
205 On,
206 Off,
207}
208
209impl Default for AlternateScroll {
210 fn default() -> Self {
211 AlternateScroll::On
212 }
213}
214
215#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
216#[serde(rename_all = "snake_case")]
217pub enum WorkingDirectory {
218 CurrentProjectDirectory,
219 FirstProjectDirectory,
220 AlwaysHome,
221 Always { directory: String },
222}
223
224#[derive(PartialEq, Eq, Debug, Default, Copy, Clone, Hash, Serialize, Deserialize, JsonSchema)]
225#[serde(rename_all = "snake_case")]
226pub enum DockAnchor {
227 #[default]
228 Bottom,
229 Right,
230 Expanded,
231}
232
233impl Bind for DockAnchor {
234 fn bind(&self, statement: &Statement, start_index: i32) -> anyhow::Result<i32> {
235 match self {
236 DockAnchor::Bottom => "Bottom",
237 DockAnchor::Right => "Right",
238 DockAnchor::Expanded => "Expanded",
239 }
240 .bind(statement, start_index)
241 }
242}
243
244impl Column for DockAnchor {
245 fn column(statement: &mut Statement, start_index: i32) -> anyhow::Result<(Self, i32)> {
246 String::column(statement, start_index).and_then(|(anchor_text, next_index)| {
247 Ok((
248 match anchor_text.as_ref() {
249 "Bottom" => DockAnchor::Bottom,
250 "Right" => DockAnchor::Right,
251 "Expanded" => DockAnchor::Expanded,
252 _ => bail!("Stored dock anchor is incorrect"),
253 },
254 next_index,
255 ))
256 })
257 }
258}
259
260#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema)]
261pub struct SettingsFileContent {
262 pub experiments: Option<FeatureFlags>,
263 #[serde(default)]
264 pub projects_online_by_default: Option<bool>,
265 #[serde(default)]
266 pub buffer_font_family: Option<String>,
267 #[serde(default)]
268 pub buffer_font_size: Option<f32>,
269 #[serde(default)]
270 pub active_pane_magnification: Option<f32>,
271 #[serde(default)]
272 pub cursor_blink: Option<bool>,
273 #[serde(default)]
274 pub hover_popover_enabled: Option<bool>,
275 #[serde(default)]
276 pub show_completions_on_input: Option<bool>,
277 #[serde(default)]
278 pub vim_mode: Option<bool>,
279 #[serde(default)]
280 pub autosave: Option<Autosave>,
281 #[serde(default)]
282 pub default_dock_anchor: Option<DockAnchor>,
283 #[serde(flatten)]
284 pub editor: EditorSettings,
285 #[serde(default)]
286 pub journal: JournalSettings,
287 #[serde(default)]
288 pub terminal: TerminalSettings,
289 #[serde(default)]
290 pub git: Option<GitSettings>,
291 #[serde(default)]
292 #[serde(alias = "language_overrides")]
293 pub languages: HashMap<Arc<str>, EditorSettings>,
294 #[serde(default)]
295 pub lsp: HashMap<Arc<str>, LspSettings>,
296 #[serde(default)]
297 pub theme: Option<String>,
298 #[serde(default)]
299 pub staff_mode: Option<bool>,
300}
301
302#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
303#[serde(rename_all = "snake_case")]
304pub struct LspSettings {
305 pub initialization_options: Option<Value>,
306}
307
308impl Settings {
309 pub fn defaults(
310 assets: impl AssetSource,
311 font_cache: &FontCache,
312 themes: &ThemeRegistry,
313 ) -> Self {
314 #[track_caller]
315 fn required<T>(value: Option<T>) -> Option<T> {
316 assert!(value.is_some(), "missing default setting value");
317 value
318 }
319
320 let defaults: SettingsFileContent = parse_json_with_comments(
321 str::from_utf8(assets.load("settings/default.json").unwrap().as_ref()).unwrap(),
322 )
323 .unwrap();
324
325 Self {
326 experiments: FeatureFlags::default(),
327 buffer_font_family: font_cache
328 .load_family(&[defaults.buffer_font_family.as_ref().unwrap()])
329 .unwrap(),
330 buffer_font_size: defaults.buffer_font_size.unwrap(),
331 active_pane_magnification: defaults.active_pane_magnification.unwrap(),
332 default_buffer_font_size: defaults.buffer_font_size.unwrap(),
333 cursor_blink: defaults.cursor_blink.unwrap(),
334 hover_popover_enabled: defaults.hover_popover_enabled.unwrap(),
335 show_completions_on_input: defaults.show_completions_on_input.unwrap(),
336 projects_online_by_default: defaults.projects_online_by_default.unwrap(),
337 vim_mode: defaults.vim_mode.unwrap(),
338 autosave: defaults.autosave.unwrap(),
339 default_dock_anchor: defaults.default_dock_anchor.unwrap(),
340 editor_defaults: EditorSettings {
341 tab_size: required(defaults.editor.tab_size),
342 hard_tabs: required(defaults.editor.hard_tabs),
343 soft_wrap: required(defaults.editor.soft_wrap),
344 preferred_line_length: required(defaults.editor.preferred_line_length),
345 format_on_save: required(defaults.editor.format_on_save),
346 formatter: required(defaults.editor.formatter),
347 enable_language_server: required(defaults.editor.enable_language_server),
348 },
349 editor_overrides: Default::default(),
350 git: defaults.git.unwrap(),
351 git_overrides: Default::default(),
352 journal_defaults: defaults.journal,
353 journal_overrides: Default::default(),
354 terminal_defaults: defaults.terminal,
355 terminal_overrides: Default::default(),
356 language_defaults: defaults.languages,
357 language_overrides: Default::default(),
358 lsp: defaults.lsp.clone(),
359 theme: themes.get(&defaults.theme.unwrap()).unwrap(),
360
361 staff_mode: false,
362 }
363 }
364
365 pub fn set_user_settings(
366 &mut self,
367 data: SettingsFileContent,
368 theme_registry: &ThemeRegistry,
369 font_cache: &FontCache,
370 ) {
371 if let Some(value) = &data.buffer_font_family {
372 if let Some(id) = font_cache.load_family(&[value]).log_err() {
373 self.buffer_font_family = id;
374 }
375 }
376 if let Some(value) = &data.theme {
377 if let Some(theme) = theme_registry.get(value).log_err() {
378 self.theme = theme;
379 }
380 }
381
382 merge(
383 &mut self.projects_online_by_default,
384 data.projects_online_by_default,
385 );
386 merge(&mut self.buffer_font_size, data.buffer_font_size);
387 merge(
388 &mut self.active_pane_magnification,
389 data.active_pane_magnification,
390 );
391 merge(&mut self.default_buffer_font_size, data.buffer_font_size);
392 merge(&mut self.cursor_blink, data.cursor_blink);
393 merge(&mut self.hover_popover_enabled, data.hover_popover_enabled);
394 merge(
395 &mut self.show_completions_on_input,
396 data.show_completions_on_input,
397 );
398 merge(&mut self.vim_mode, data.vim_mode);
399 merge(&mut self.autosave, data.autosave);
400 merge(&mut self.experiments, data.experiments);
401 merge(&mut self.staff_mode, data.staff_mode);
402 merge(&mut self.default_dock_anchor, data.default_dock_anchor);
403
404 // Ensure terminal font is loaded, so we can request it in terminal_element layout
405 if let Some(terminal_font) = &data.terminal.font_family {
406 font_cache.load_family(&[terminal_font]).log_err();
407 }
408
409 self.editor_overrides = data.editor;
410 self.git_overrides = data.git.unwrap_or_default();
411 self.journal_overrides = data.journal;
412 self.terminal_defaults.font_size = data.terminal.font_size;
413 self.terminal_overrides.copy_on_select = data.terminal.copy_on_select;
414 self.terminal_overrides = data.terminal;
415 self.language_overrides = data.languages;
416 self.lsp = data.lsp;
417 }
418
419 pub fn with_language_defaults(
420 mut self,
421 language_name: impl Into<Arc<str>>,
422 overrides: EditorSettings,
423 ) -> Self {
424 self.language_defaults
425 .insert(language_name.into(), overrides);
426 self
427 }
428
429 pub fn tab_size(&self, language: Option<&str>) -> NonZeroU32 {
430 self.language_setting(language, |settings| settings.tab_size)
431 }
432
433 pub fn hard_tabs(&self, language: Option<&str>) -> bool {
434 self.language_setting(language, |settings| settings.hard_tabs)
435 }
436
437 pub fn soft_wrap(&self, language: Option<&str>) -> SoftWrap {
438 self.language_setting(language, |settings| settings.soft_wrap)
439 }
440
441 pub fn preferred_line_length(&self, language: Option<&str>) -> u32 {
442 self.language_setting(language, |settings| settings.preferred_line_length)
443 }
444
445 pub fn format_on_save(&self, language: Option<&str>) -> FormatOnSave {
446 self.language_setting(language, |settings| settings.format_on_save.clone())
447 }
448
449 pub fn formatter(&self, language: Option<&str>) -> Formatter {
450 self.language_setting(language, |settings| settings.formatter.clone())
451 }
452
453 pub fn enable_language_server(&self, language: Option<&str>) -> bool {
454 self.language_setting(language, |settings| settings.enable_language_server)
455 }
456
457 fn language_setting<F, R>(&self, language: Option<&str>, f: F) -> R
458 where
459 F: Fn(&EditorSettings) -> Option<R>,
460 {
461 None.or_else(|| language.and_then(|l| self.language_overrides.get(l).and_then(&f)))
462 .or_else(|| f(&self.editor_overrides))
463 .or_else(|| language.and_then(|l| self.language_defaults.get(l).and_then(&f)))
464 .or_else(|| f(&self.editor_defaults))
465 .expect("missing default")
466 }
467
468 pub fn git_gutter(&self) -> GitGutter {
469 self.git_overrides.git_gutter.unwrap_or_else(|| {
470 self.git
471 .git_gutter
472 .expect("git_gutter should be some by setting setup")
473 })
474 }
475
476 #[cfg(any(test, feature = "test-support"))]
477 pub fn test(cx: &gpui::AppContext) -> Settings {
478 Settings {
479 experiments: FeatureFlags::default(),
480 buffer_font_family: cx.font_cache().load_family(&["Monaco"]).unwrap(),
481 buffer_font_size: 14.,
482 active_pane_magnification: 1.,
483 default_buffer_font_size: 14.,
484 cursor_blink: true,
485 hover_popover_enabled: true,
486 show_completions_on_input: true,
487 vim_mode: false,
488 autosave: Autosave::Off,
489 default_dock_anchor: DockAnchor::Bottom,
490 editor_defaults: EditorSettings {
491 tab_size: Some(4.try_into().unwrap()),
492 hard_tabs: Some(false),
493 soft_wrap: Some(SoftWrap::None),
494 preferred_line_length: Some(80),
495 format_on_save: Some(FormatOnSave::On),
496 formatter: Some(Formatter::LanguageServer),
497 enable_language_server: Some(true),
498 },
499 editor_overrides: Default::default(),
500 journal_defaults: Default::default(),
501 journal_overrides: Default::default(),
502 terminal_defaults: Default::default(),
503 terminal_overrides: Default::default(),
504 git: Default::default(),
505 git_overrides: Default::default(),
506 language_defaults: Default::default(),
507 language_overrides: Default::default(),
508 lsp: Default::default(),
509 projects_online_by_default: true,
510 theme: gpui::fonts::with_font_cache(cx.font_cache().clone(), Default::default),
511 staff_mode: false,
512 }
513 }
514
515 #[cfg(any(test, feature = "test-support"))]
516 pub fn test_async(cx: &mut gpui::TestAppContext) {
517 cx.update(|cx| {
518 let settings = Self::test(cx);
519 cx.set_global(settings);
520 });
521 }
522}
523
524pub fn settings_file_json_schema(
525 theme_names: Vec<String>,
526 language_names: &[String],
527) -> serde_json::Value {
528 let settings = SchemaSettings::draft07().with(|settings| {
529 settings.option_add_null_type = false;
530 });
531 let generator = SchemaGenerator::new(settings);
532 let mut root_schema = generator.into_root_schema_for::<SettingsFileContent>();
533
534 // Create a schema for a theme name.
535 let theme_name_schema = SchemaObject {
536 instance_type: Some(SingleOrVec::Single(Box::new(InstanceType::String))),
537 enum_values: Some(theme_names.into_iter().map(Value::String).collect()),
538 ..Default::default()
539 };
540
541 // Create a schema for a 'languages overrides' object, associating editor
542 // settings with specific langauges.
543 assert!(root_schema.definitions.contains_key("EditorSettings"));
544 let languages_object_schema = SchemaObject {
545 instance_type: Some(SingleOrVec::Single(Box::new(InstanceType::Object))),
546 object: Some(Box::new(ObjectValidation {
547 properties: language_names
548 .iter()
549 .map(|name| {
550 (
551 name.clone(),
552 Schema::new_ref("#/definitions/EditorSettings".into()),
553 )
554 })
555 .collect(),
556 ..Default::default()
557 })),
558 ..Default::default()
559 };
560
561 // Add these new schemas as definitions, and modify properties of the root
562 // schema to reference them.
563 root_schema.definitions.extend([
564 ("ThemeName".into(), theme_name_schema.into()),
565 ("Languages".into(), languages_object_schema.into()),
566 ]);
567 let root_schema_object = &mut root_schema.schema.object.as_mut().unwrap();
568
569 // Avoid automcomplete for non-user facing settings
570 root_schema_object.properties.remove("staff_mode");
571 root_schema_object.properties.extend([
572 (
573 "theme".to_owned(),
574 Schema::new_ref("#/definitions/ThemeName".into()),
575 ),
576 (
577 "languages".to_owned(),
578 Schema::new_ref("#/definitions/Languages".into()),
579 ),
580 // For backward compatibility
581 (
582 "language_overrides".to_owned(),
583 Schema::new_ref("#/definitions/Languages".into()),
584 ),
585 ]);
586
587 serde_json::to_value(root_schema).unwrap()
588}
589
590/// Expects the key to be unquoted, and the value to be valid JSON
591/// (e.g. values should be unquoted for numbers and bools, quoted for strings)
592pub fn write_top_level_setting(
593 mut settings_content: String,
594 top_level_key: &str,
595 new_val: &str,
596) -> String {
597 let mut parser = tree_sitter::Parser::new();
598 parser.set_language(tree_sitter_json::language()).unwrap();
599 let tree = parser.parse(&settings_content, None).unwrap();
600
601 let mut cursor = tree_sitter::QueryCursor::new();
602
603 let query = Query::new(
604 tree_sitter_json::language(),
605 "
606 (document
607 (object
608 (pair
609 key: (string) @key
610 value: (_) @value)))
611 ",
612 )
613 .unwrap();
614
615 let mut first_key_start = None;
616 let mut existing_value_range = None;
617 let matches = cursor.matches(&query, tree.root_node(), settings_content.as_bytes());
618 for mat in matches {
619 if mat.captures.len() != 2 {
620 continue;
621 }
622
623 let key = mat.captures[0];
624 let value = mat.captures[1];
625
626 first_key_start.get_or_insert_with(|| key.node.start_byte());
627
628 if let Some(key_text) = settings_content.get(key.node.byte_range()) {
629 if key_text == format!("\"{top_level_key}\"") {
630 existing_value_range = Some(value.node.byte_range());
631 break;
632 }
633 }
634 }
635
636 match (first_key_start, existing_value_range) {
637 (None, None) => {
638 // No document, create a new object and overwrite
639 settings_content.clear();
640 write!(
641 settings_content,
642 "{{\n \"{}\": {new_val}\n}}\n",
643 top_level_key
644 )
645 .unwrap();
646 }
647
648 (_, Some(existing_value_range)) => {
649 // Existing theme key, overwrite
650 settings_content.replace_range(existing_value_range, &new_val);
651 }
652
653 (Some(first_key_start), None) => {
654 // No existing theme key, but other settings. Prepend new theme settings and
655 // match style of first key
656 let mut row = 0;
657 let mut column = 0;
658 for (ix, char) in settings_content.char_indices() {
659 if ix == first_key_start {
660 break;
661 }
662 if char == '\n' {
663 row += 1;
664 column = 0;
665 } else {
666 column += char.len_utf8();
667 }
668 }
669
670 let content = format!(r#""{top_level_key}": {new_val},"#);
671 settings_content.insert_str(first_key_start, &content);
672
673 if row > 0 {
674 settings_content.insert_str(
675 first_key_start + content.len(),
676 &format!("\n{:width$}", ' ', width = column),
677 )
678 } else {
679 settings_content.insert_str(first_key_start + content.len(), " ")
680 }
681 }
682 }
683
684 settings_content
685}
686
687fn merge<T: Copy>(target: &mut T, value: Option<T>) {
688 if let Some(value) = value {
689 *target = value;
690 }
691}
692
693pub fn parse_json_with_comments<T: DeserializeOwned>(content: &str) -> Result<T> {
694 Ok(serde_json::from_reader(
695 json_comments::CommentSettings::c_style().strip_comments(content.as_bytes()),
696 )?)
697}
698
699#[cfg(test)]
700mod tests {
701 use crate::write_top_level_setting;
702 use unindent::Unindent;
703
704 #[test]
705 fn test_write_theme_into_settings_with_theme() {
706 let settings = r#"
707 {
708 "theme": "One Dark"
709 }
710 "#
711 .unindent();
712
713 let new_settings = r#"
714 {
715 "theme": "summerfruit-light"
716 }
717 "#
718 .unindent();
719
720 let settings_after_theme =
721 write_top_level_setting(settings, "theme", "\"summerfruit-light\"");
722
723 assert_eq!(settings_after_theme, new_settings)
724 }
725
726 #[test]
727 fn test_write_theme_into_empty_settings() {
728 let settings = r#"
729 {
730 }
731 "#
732 .unindent();
733
734 let new_settings = r#"
735 {
736 "theme": "summerfruit-light"
737 }
738 "#
739 .unindent();
740
741 let settings_after_theme =
742 write_top_level_setting(settings, "theme", "\"summerfruit-light\"");
743
744 assert_eq!(settings_after_theme, new_settings)
745 }
746
747 #[test]
748 fn test_write_theme_into_no_settings() {
749 let settings = "".to_string();
750
751 let new_settings = r#"
752 {
753 "theme": "summerfruit-light"
754 }
755 "#
756 .unindent();
757
758 let settings_after_theme =
759 write_top_level_setting(settings, "theme", "\"summerfruit-light\"");
760
761 assert_eq!(settings_after_theme, new_settings)
762 }
763
764 #[test]
765 fn test_write_theme_into_single_line_settings_without_theme() {
766 let settings = r#"{ "a": "", "ok": true }"#.to_string();
767 let new_settings = r#"{ "theme": "summerfruit-light", "a": "", "ok": true }"#;
768
769 let settings_after_theme =
770 write_top_level_setting(settings, "theme", "\"summerfruit-light\"");
771
772 assert_eq!(settings_after_theme, new_settings)
773 }
774
775 #[test]
776 fn test_write_theme_pre_object_whitespace() {
777 let settings = r#" { "a": "", "ok": true }"#.to_string();
778 let new_settings = r#" { "theme": "summerfruit-light", "a": "", "ok": true }"#;
779
780 let settings_after_theme =
781 write_top_level_setting(settings, "theme", "\"summerfruit-light\"");
782
783 assert_eq!(settings_after_theme, new_settings)
784 }
785
786 #[test]
787 fn test_write_theme_into_multi_line_settings_without_theme() {
788 let settings = r#"
789 {
790 "a": "b"
791 }
792 "#
793 .unindent();
794
795 let new_settings = r#"
796 {
797 "theme": "summerfruit-light",
798 "a": "b"
799 }
800 "#
801 .unindent();
802
803 let settings_after_theme =
804 write_top_level_setting(settings, "theme", "\"summerfruit-light\"");
805
806 assert_eq!(settings_after_theme, new_settings)
807 }
808}