1use crate::{
2 AnyWindowHandle, BackgroundExecutor, CursorStyle, DisplayId, ForegroundExecutor, Platform,
3 PlatformDisplay, PlatformTextSystem, TestDisplay, TestWindow, WindowOptions,
4};
5use anyhow::{anyhow, Result};
6use collections::VecDeque;
7use futures::channel::oneshot;
8use parking_lot::Mutex;
9use std::{
10 cell::RefCell,
11 path::PathBuf,
12 rc::{Rc, Weak},
13 sync::Arc,
14};
15
16pub struct TestPlatform {
17 background_executor: BackgroundExecutor,
18 foreground_executor: ForegroundExecutor,
19
20 active_window: Arc<Mutex<Option<AnyWindowHandle>>>,
21 active_display: Rc<dyn PlatformDisplay>,
22 active_cursor: Mutex<CursorStyle>,
23 pub(crate) prompts: RefCell<TestPrompts>,
24 weak: Weak<Self>,
25}
26
27#[derive(Default)]
28pub(crate) struct TestPrompts {
29 multiple_choice: VecDeque<oneshot::Sender<usize>>,
30 new_path: VecDeque<(PathBuf, oneshot::Sender<Option<PathBuf>>)>,
31}
32
33impl TestPlatform {
34 pub fn new(executor: BackgroundExecutor, foreground_executor: ForegroundExecutor) -> Rc<Self> {
35 Rc::new_cyclic(|weak| TestPlatform {
36 background_executor: executor,
37 foreground_executor,
38 prompts: Default::default(),
39 active_cursor: Default::default(),
40 active_display: Rc::new(TestDisplay::new()),
41 active_window: Default::default(),
42 weak: weak.clone(),
43 })
44 }
45
46 pub(crate) fn simulate_new_path_selection(
47 &self,
48 select_path: impl FnOnce(&std::path::Path) -> Option<std::path::PathBuf>,
49 ) {
50 let (path, tx) = self
51 .prompts
52 .borrow_mut()
53 .new_path
54 .pop_front()
55 .expect("no pending new path prompt");
56 tx.send(select_path(&path)).ok();
57 }
58
59 pub(crate) fn simulate_prompt_answer(&self, response_ix: usize) {
60 let tx = self
61 .prompts
62 .borrow_mut()
63 .multiple_choice
64 .pop_front()
65 .expect("no pending multiple choice prompt");
66 tx.send(response_ix).ok();
67 }
68
69 pub(crate) fn has_pending_prompt(&self) -> bool {
70 !self.prompts.borrow().multiple_choice.is_empty()
71 }
72
73 pub(crate) fn prompt(&self) -> oneshot::Receiver<usize> {
74 let (tx, rx) = oneshot::channel();
75 self.prompts.borrow_mut().multiple_choice.push_back(tx);
76 rx
77 }
78}
79
80// todo!("implement out what our tests needed in GPUI 1")
81impl Platform for TestPlatform {
82 fn background_executor(&self) -> BackgroundExecutor {
83 self.background_executor.clone()
84 }
85
86 fn foreground_executor(&self) -> ForegroundExecutor {
87 self.foreground_executor.clone()
88 }
89
90 fn text_system(&self) -> Arc<dyn PlatformTextSystem> {
91 Arc::new(crate::platform::mac::MacTextSystem::new())
92 }
93
94 fn run(&self, _on_finish_launching: Box<dyn FnOnce()>) {
95 unimplemented!()
96 }
97
98 fn quit(&self) {}
99
100 fn restart(&self) {
101 unimplemented!()
102 }
103
104 fn activate(&self, _ignoring_other_apps: bool) {
105 unimplemented!()
106 }
107
108 fn hide(&self) {
109 unimplemented!()
110 }
111
112 fn hide_other_apps(&self) {
113 unimplemented!()
114 }
115
116 fn unhide_other_apps(&self) {
117 unimplemented!()
118 }
119
120 fn displays(&self) -> Vec<std::rc::Rc<dyn crate::PlatformDisplay>> {
121 vec![self.active_display.clone()]
122 }
123
124 fn display(&self, id: DisplayId) -> Option<std::rc::Rc<dyn crate::PlatformDisplay>> {
125 self.displays().iter().find(|d| d.id() == id).cloned()
126 }
127
128 fn main_window(&self) -> Option<crate::AnyWindowHandle> {
129 unimplemented!()
130 }
131
132 fn open_window(
133 &self,
134 handle: AnyWindowHandle,
135 options: WindowOptions,
136 ) -> Box<dyn crate::PlatformWindow> {
137 *self.active_window.lock() = Some(handle);
138 Box::new(TestWindow::new(
139 options,
140 self.weak.clone(),
141 self.active_display.clone(),
142 ))
143 }
144
145 fn set_display_link_output_callback(
146 &self,
147 _display_id: DisplayId,
148 _callback: Box<dyn FnMut(&crate::VideoTimestamp, &crate::VideoTimestamp) + Send>,
149 ) {
150 unimplemented!()
151 }
152
153 fn start_display_link(&self, _display_id: DisplayId) {
154 unimplemented!()
155 }
156
157 fn stop_display_link(&self, _display_id: DisplayId) {
158 unimplemented!()
159 }
160
161 fn open_url(&self, _url: &str) {
162 unimplemented!()
163 }
164
165 fn on_open_urls(&self, _callback: Box<dyn FnMut(Vec<String>)>) {
166 unimplemented!()
167 }
168
169 fn prompt_for_paths(
170 &self,
171 _options: crate::PathPromptOptions,
172 ) -> oneshot::Receiver<Option<Vec<std::path::PathBuf>>> {
173 unimplemented!()
174 }
175
176 fn prompt_for_new_path(
177 &self,
178 directory: &std::path::Path,
179 ) -> oneshot::Receiver<Option<std::path::PathBuf>> {
180 let (tx, rx) = oneshot::channel();
181 self.prompts
182 .borrow_mut()
183 .new_path
184 .push_back((directory.to_path_buf(), tx));
185 rx
186 }
187
188 fn reveal_path(&self, _path: &std::path::Path) {
189 unimplemented!()
190 }
191
192 fn on_become_active(&self, _callback: Box<dyn FnMut()>) {
193 unimplemented!()
194 }
195
196 fn on_resign_active(&self, _callback: Box<dyn FnMut()>) {
197 unimplemented!()
198 }
199
200 fn on_quit(&self, _callback: Box<dyn FnMut()>) {}
201
202 fn on_reopen(&self, _callback: Box<dyn FnMut()>) {
203 unimplemented!()
204 }
205
206 fn on_event(&self, _callback: Box<dyn FnMut(crate::InputEvent) -> bool>) {
207 unimplemented!()
208 }
209
210 fn os_name(&self) -> &'static str {
211 "test"
212 }
213
214 fn os_version(&self) -> Result<crate::SemanticVersion> {
215 Err(anyhow!("os_version called on TestPlatform"))
216 }
217
218 fn app_version(&self) -> Result<crate::SemanticVersion> {
219 Err(anyhow!("app_version called on TestPlatform"))
220 }
221
222 fn app_path(&self) -> Result<std::path::PathBuf> {
223 unimplemented!()
224 }
225
226 fn local_timezone(&self) -> time::UtcOffset {
227 unimplemented!()
228 }
229
230 fn path_for_auxiliary_executable(&self, _name: &str) -> Result<std::path::PathBuf> {
231 unimplemented!()
232 }
233
234 fn set_cursor_style(&self, style: crate::CursorStyle) {
235 *self.active_cursor.lock() = style;
236 }
237
238 fn should_auto_hide_scrollbars(&self) -> bool {
239 // todo()
240 true
241 }
242
243 fn write_to_clipboard(&self, _item: crate::ClipboardItem) {
244 unimplemented!()
245 }
246
247 fn read_from_clipboard(&self) -> Option<crate::ClipboardItem> {
248 unimplemented!()
249 }
250
251 fn write_credentials(&self, _url: &str, _username: &str, _password: &[u8]) -> Result<()> {
252 Ok(())
253 }
254
255 fn read_credentials(&self, _url: &str) -> Result<Option<(String, Vec<u8>)>> {
256 Ok(None)
257 }
258
259 fn delete_credentials(&self, _url: &str) -> Result<()> {
260 Ok(())
261 }
262}