1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
|
use std::marker::PhantomData;
use std::sync::Arc;
use async_trait::async_trait;
use crate::castable_function::threadsafe::AnyThreadsafeCastableFunction;
use crate::errors::injectable::InjectableError;
use crate::interfaces::async_injectable::AsyncInjectable;
use crate::ptr::{ThreadsafeSingletonPtr, TransientPtr};
use crate::util::use_double;
use_double!(crate::dependency_history::DependencyHistory);
#[derive(strum_macros::Display, Debug)]
pub enum AsyncProvidable<DIContainerT>
{
Transient(TransientPtr<dyn AsyncInjectable<DIContainerT>>),
Singleton(ThreadsafeSingletonPtr<dyn AsyncInjectable<DIContainerT>>),
Function(
Arc<dyn crate::castable_function::threadsafe::AnyThreadsafeCastableFunction>,
ProvidableFunctionKind,
),
}
#[derive(Debug, Clone, Copy)]
pub enum ProvidableFunctionKind
{
#[cfg(feature = "factory")]
UserCalled,
Instant,
AsyncInstant,
}
#[async_trait]
#[cfg_attr(test, mockall::automock, allow(dead_code))]
pub trait IAsyncProvider<DIContainerT>: Send + Sync
where
DIContainerT: Send + Sync,
{
async fn provide(
&self,
di_container: &DIContainerT,
dependency_history: DependencyHistory,
) -> Result<AsyncProvidable<DIContainerT>, InjectableError>;
fn do_clone(&self) -> Box<dyn IAsyncProvider<DIContainerT>>;
}
impl<DIContainerT> Clone for Box<dyn IAsyncProvider<DIContainerT>>
where
DIContainerT: Send + Sync,
{
fn clone(&self) -> Self
{
self.do_clone()
}
}
pub struct AsyncTransientTypeProvider<InjectableT, DIContainerT>
where
InjectableT: AsyncInjectable<DIContainerT>,
{
injectable_phantom: PhantomData<InjectableT>,
di_container_phantom: PhantomData<DIContainerT>,
}
impl<InjectableT, DIContainerT> AsyncTransientTypeProvider<InjectableT, DIContainerT>
where
InjectableT: AsyncInjectable<DIContainerT>,
{
pub fn new() -> Self
{
Self {
injectable_phantom: PhantomData,
di_container_phantom: PhantomData,
}
}
}
#[async_trait]
impl<InjectableT, DIContainerT> IAsyncProvider<DIContainerT>
for AsyncTransientTypeProvider<InjectableT, DIContainerT>
where
InjectableT: AsyncInjectable<DIContainerT>,
DIContainerT: Send + Sync + 'static,
{
async fn provide(
&self,
di_container: &DIContainerT,
dependency_history: DependencyHistory,
) -> Result<AsyncProvidable<DIContainerT>, InjectableError>
{
Ok(AsyncProvidable::Transient(
InjectableT::resolve(di_container, dependency_history).await?,
))
}
fn do_clone(&self) -> Box<dyn IAsyncProvider<DIContainerT>>
{
Box::new(self.clone())
}
}
impl<InjectableT, DIContainerT> Clone
for AsyncTransientTypeProvider<InjectableT, DIContainerT>
where
InjectableT: AsyncInjectable<DIContainerT>,
{
fn clone(&self) -> Self
{
Self {
injectable_phantom: self.injectable_phantom,
di_container_phantom: PhantomData,
}
}
}
pub struct AsyncSingletonProvider<InjectableT, DIContainerT>
where
InjectableT: AsyncInjectable<DIContainerT>,
{
singleton: ThreadsafeSingletonPtr<InjectableT>,
di_container_phantom: PhantomData<DIContainerT>,
}
impl<InjectableT, DIContainerT> AsyncSingletonProvider<InjectableT, DIContainerT>
where
InjectableT: AsyncInjectable<DIContainerT>,
{
pub fn new(singleton: ThreadsafeSingletonPtr<InjectableT>) -> Self
{
Self {
singleton,
di_container_phantom: PhantomData,
}
}
}
#[async_trait]
impl<InjectableT, DIContainerT> IAsyncProvider<DIContainerT>
for AsyncSingletonProvider<InjectableT, DIContainerT>
where
InjectableT: AsyncInjectable<DIContainerT>,
DIContainerT: Send + Sync + 'static,
{
async fn provide(
&self,
_di_container: &DIContainerT,
_dependency_history: DependencyHistory,
) -> Result<AsyncProvidable<DIContainerT>, InjectableError>
{
Ok(AsyncProvidable::Singleton(self.singleton.clone()))
}
fn do_clone(&self) -> Box<dyn IAsyncProvider<DIContainerT>>
{
Box::new(self.clone())
}
}
impl<InjectableT, DIContainerT> Clone
for AsyncSingletonProvider<InjectableT, DIContainerT>
where
InjectableT: AsyncInjectable<DIContainerT>,
{
fn clone(&self) -> Self
{
Self {
singleton: self.singleton.clone(),
di_container_phantom: PhantomData,
}
}
}
pub struct AsyncFunctionProvider
{
function: Arc<dyn AnyThreadsafeCastableFunction>,
providable_func_kind: ProvidableFunctionKind,
}
impl AsyncFunctionProvider
{
pub fn new(
function: Arc<dyn AnyThreadsafeCastableFunction>,
providable_func_kind: ProvidableFunctionKind,
) -> Self
{
Self {
function,
providable_func_kind,
}
}
}
#[async_trait]
impl<DIContainerT> IAsyncProvider<DIContainerT> for AsyncFunctionProvider
where
DIContainerT: Send + Sync,
{
async fn provide(
&self,
_di_container: &DIContainerT,
_dependency_history: DependencyHistory,
) -> Result<AsyncProvidable<DIContainerT>, InjectableError>
{
Ok(AsyncProvidable::Function(
self.function.clone(),
self.providable_func_kind,
))
}
fn do_clone(&self) -> Box<dyn IAsyncProvider<DIContainerT>>
{
Box::new(self.clone())
}
}
impl Clone for AsyncFunctionProvider
{
fn clone(&self) -> Self
{
Self {
function: self.function.clone(),
providable_func_kind: self.providable_func_kind,
}
}
}
#[cfg(test)]
mod tests
{
use super::*;
use crate::dependency_history::MockDependencyHistory;
use crate::di_container::asynchronous::MockAsyncDIContainer;
use crate::test_utils::subjects_async;
#[tokio::test]
async fn async_transient_type_provider_works()
{
let transient_type_provider = AsyncTransientTypeProvider::<
subjects_async::UserManager,
MockAsyncDIContainer,
>::new();
let di_container = MockAsyncDIContainer::new();
assert!(
matches!(
transient_type_provider
.provide(&di_container, MockDependencyHistory::new())
.await
.unwrap(),
AsyncProvidable::Transient(_)
),
"The provided type is not transient"
);
}
#[tokio::test]
async fn async_singleton_provider_works()
{
let singleton_provider = AsyncSingletonProvider::<
subjects_async::UserManager,
MockAsyncDIContainer,
>::new(ThreadsafeSingletonPtr::new(
subjects_async::UserManager {},
));
let di_container = MockAsyncDIContainer::new();
assert!(
matches!(
singleton_provider
.provide(&di_container, MockDependencyHistory::new())
.await
.unwrap(),
AsyncProvidable::Singleton(_)
),
"The provided type is not a singleton"
);
}
#[tokio::test]
async fn function_provider_works()
{
use std::any::Any;
use std::sync::Arc;
use crate::castable_function::threadsafe::AnyThreadsafeCastableFunction;
use crate::castable_function::AnyCastableFunction;
#[derive(Debug)]
struct FooFactory;
impl AnyCastableFunction for FooFactory
{
fn as_any(&self) -> &dyn Any
{
self
}
}
impl AnyThreadsafeCastableFunction for FooFactory {}
let instant_func_provider = AsyncFunctionProvider::new(
Arc::new(FooFactory),
ProvidableFunctionKind::Instant,
);
let di_container = MockAsyncDIContainer::new();
assert!(
matches!(
instant_func_provider
.provide(&di_container, MockDependencyHistory::new())
.await
.unwrap(),
AsyncProvidable::Function(_, ProvidableFunctionKind::Instant)
),
concat!(
"The provided type is not a AsyncProvidable::Function of kind ",
"ProvidableFunctionKind::Instant"
)
);
}
}
|
