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-rw-r--r--crates/ide_diagnostics/src/handlers/missing_ok_or_some_in_tail_expr.rs76
-rw-r--r--crates/ide_diagnostics/src/handlers/replace_filter_map_next_with_find_map.rs86
2 files changed, 25 insertions, 137 deletions
diff --git a/crates/ide_diagnostics/src/handlers/missing_ok_or_some_in_tail_expr.rs b/crates/ide_diagnostics/src/handlers/missing_ok_or_some_in_tail_expr.rs
index 63de54570..c0edcd7d3 100644
--- a/crates/ide_diagnostics/src/handlers/missing_ok_or_some_in_tail_expr.rs
+++ b/crates/ide_diagnostics/src/handlers/missing_ok_or_some_in_tail_expr.rs
@@ -49,26 +49,15 @@ mod tests {
49 fn test_wrap_return_type_option() { 49 fn test_wrap_return_type_option() {
50 check_fix( 50 check_fix(
51 r#" 51 r#"
52//- /main.rs crate:main deps:core 52//- minicore: option, result
53use core::option::Option::{self, Some, None};
54
55fn div(x: i32, y: i32) -> Option<i32> { 53fn div(x: i32, y: i32) -> Option<i32> {
56 if y == 0 { 54 if y == 0 {
57 return None; 55 return None;
58 } 56 }
59 x / y$0 57 x / y$0
60} 58}
61//- /core/lib.rs crate:core
62pub mod result {
63 pub enum Result<T, E> { Ok(T), Err(E) }
64}
65pub mod option {
66 pub enum Option<T> { Some(T), None }
67}
68"#, 59"#,
69 r#" 60 r#"
70use core::option::Option::{self, Some, None};
71
72fn div(x: i32, y: i32) -> Option<i32> { 61fn div(x: i32, y: i32) -> Option<i32> {
73 if y == 0 { 62 if y == 0 {
74 return None; 63 return None;
@@ -83,26 +72,15 @@ fn div(x: i32, y: i32) -> Option<i32> {
83 fn test_wrap_return_type() { 72 fn test_wrap_return_type() {
84 check_fix( 73 check_fix(
85 r#" 74 r#"
86//- /main.rs crate:main deps:core 75//- minicore: option, result
87use core::result::Result::{self, Ok, Err};
88
89fn div(x: i32, y: i32) -> Result<i32, ()> { 76fn div(x: i32, y: i32) -> Result<i32, ()> {
90 if y == 0 { 77 if y == 0 {
91 return Err(()); 78 return Err(());
92 } 79 }
93 x / y$0 80 x / y$0
94} 81}
95//- /core/lib.rs crate:core
96pub mod result {
97 pub enum Result<T, E> { Ok(T), Err(E) }
98}
99pub mod option {
100 pub enum Option<T> { Some(T), None }
101}
102"#, 82"#,
103 r#" 83 r#"
104use core::result::Result::{self, Ok, Err};
105
106fn div(x: i32, y: i32) -> Result<i32, ()> { 84fn div(x: i32, y: i32) -> Result<i32, ()> {
107 if y == 0 { 85 if y == 0 {
108 return Err(()); 86 return Err(());
@@ -117,26 +95,15 @@ fn div(x: i32, y: i32) -> Result<i32, ()> {
117 fn test_wrap_return_type_handles_generic_functions() { 95 fn test_wrap_return_type_handles_generic_functions() {
118 check_fix( 96 check_fix(
119 r#" 97 r#"
120//- /main.rs crate:main deps:core 98//- minicore: option, result
121use core::result::Result::{self, Ok, Err};
122
123fn div<T>(x: T) -> Result<T, i32> { 99fn div<T>(x: T) -> Result<T, i32> {
124 if x == 0 { 100 if x == 0 {
125 return Err(7); 101 return Err(7);
126 } 102 }
127 $0x 103 $0x
128} 104}
129//- /core/lib.rs crate:core
130pub mod result {
131 pub enum Result<T, E> { Ok(T), Err(E) }
132}
133pub mod option {
134 pub enum Option<T> { Some(T), None }
135}
136"#, 105"#,
137 r#" 106 r#"
138use core::result::Result::{self, Ok, Err};
139
140fn div<T>(x: T) -> Result<T, i32> { 107fn div<T>(x: T) -> Result<T, i32> {
141 if x == 0 { 108 if x == 0 {
142 return Err(7); 109 return Err(7);
@@ -151,9 +118,7 @@ fn div<T>(x: T) -> Result<T, i32> {
151 fn test_wrap_return_type_handles_type_aliases() { 118 fn test_wrap_return_type_handles_type_aliases() {
152 check_fix( 119 check_fix(
153 r#" 120 r#"
154//- /main.rs crate:main deps:core 121//- minicore: option, result
155use core::result::Result::{self, Ok, Err};
156
157type MyResult<T> = Result<T, ()>; 122type MyResult<T> = Result<T, ()>;
158 123
159fn div(x: i32, y: i32) -> MyResult<i32> { 124fn div(x: i32, y: i32) -> MyResult<i32> {
@@ -162,17 +127,8 @@ fn div(x: i32, y: i32) -> MyResult<i32> {
162 } 127 }
163 x $0/ y 128 x $0/ y
164} 129}
165//- /core/lib.rs crate:core
166pub mod result {
167 pub enum Result<T, E> { Ok(T), Err(E) }
168}
169pub mod option {
170 pub enum Option<T> { Some(T), None }
171}
172"#, 130"#,
173 r#" 131 r#"
174use core::result::Result::{self, Ok, Err};
175
176type MyResult<T> = Result<T, ()>; 132type MyResult<T> = Result<T, ()>;
177 133
178fn div(x: i32, y: i32) -> MyResult<i32> { 134fn div(x: i32, y: i32) -> MyResult<i32> {
@@ -189,18 +145,8 @@ fn div(x: i32, y: i32) -> MyResult<i32> {
189 fn test_wrap_return_type_not_applicable_when_expr_type_does_not_match_ok_type() { 145 fn test_wrap_return_type_not_applicable_when_expr_type_does_not_match_ok_type() {
190 check_diagnostics( 146 check_diagnostics(
191 r#" 147 r#"
192//- /main.rs crate:main deps:core 148//- minicore: option, result
193use core::result::Result::{self, Ok, Err};
194
195fn foo() -> Result<(), i32> { 0 } 149fn foo() -> Result<(), i32> { 0 }
196
197//- /core/lib.rs crate:core
198pub mod result {
199 pub enum Result<T, E> { Ok(T), Err(E) }
200}
201pub mod option {
202 pub enum Option<T> { Some(T), None }
203}
204"#, 150"#,
205 ); 151 );
206 } 152 }
@@ -209,20 +155,10 @@ pub mod option {
209 fn test_wrap_return_type_not_applicable_when_return_type_is_not_result_or_option() { 155 fn test_wrap_return_type_not_applicable_when_return_type_is_not_result_or_option() {
210 check_diagnostics( 156 check_diagnostics(
211 r#" 157 r#"
212//- /main.rs crate:main deps:core 158//- minicore: option, result
213use core::result::Result::{self, Ok, Err};
214
215enum SomeOtherEnum { Ok(i32), Err(String) } 159enum SomeOtherEnum { Ok(i32), Err(String) }
216 160
217fn foo() -> SomeOtherEnum { 0 } 161fn foo() -> SomeOtherEnum { 0 }
218
219//- /core/lib.rs crate:core
220pub mod result {
221 pub enum Result<T, E> { Ok(T), Err(E) }
222}
223pub mod option {
224 pub enum Option<T> { Some(T), None }
225}
226"#, 162"#,
227 ); 163 );
228 } 164 }
diff --git a/crates/ide_diagnostics/src/handlers/replace_filter_map_next_with_find_map.rs b/crates/ide_diagnostics/src/handlers/replace_filter_map_next_with_find_map.rs
index cd87a10bb..839ceac03 100644
--- a/crates/ide_diagnostics/src/handlers/replace_filter_map_next_with_find_map.rs
+++ b/crates/ide_diagnostics/src/handlers/replace_filter_map_next_with_find_map.rs
@@ -55,44 +55,16 @@ fn fixes(
55 55
56#[cfg(test)] 56#[cfg(test)]
57mod tests { 57mod tests {
58 use crate::tests::check_fix; 58 use crate::tests::{check_diagnostics, check_fix};
59
60 // Register the required standard library types to make the tests work
61 #[track_caller]
62 fn check_diagnostics(ra_fixture: &str) {
63 let prefix = r#"
64//- /main.rs crate:main deps:core
65use core::iter::Iterator;
66use core::option::Option::{self, Some, None};
67"#;
68 let suffix = r#"
69//- /core/lib.rs crate:core
70pub mod option {
71 pub enum Option<T> { Some(T), None }
72}
73pub mod iter {
74 pub trait Iterator {
75 type Item;
76 fn filter_map<B, F>(self, f: F) -> FilterMap where F: FnMut(Self::Item) -> Option<B> { FilterMap }
77 fn next(&mut self) -> Option<Self::Item>;
78 }
79 pub struct FilterMap {}
80 impl Iterator for FilterMap {
81 type Item = i32;
82 fn next(&mut self) -> i32 { 7 }
83 }
84}
85"#;
86 crate::tests::check_diagnostics(&format!("{}{}{}", prefix, ra_fixture, suffix))
87 }
88 59
89 #[test] 60 #[test]
90 fn replace_filter_map_next_with_find_map2() { 61 fn replace_filter_map_next_with_find_map2() {
91 check_diagnostics( 62 check_diagnostics(
92 r#" 63 r#"
93 fn foo() { 64//- minicore: iterators
94 let m = [1, 2, 3].iter().filter_map(|x| Some(92)).next(); 65fn foo() {
95 } //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 💡 weak: replace filter_map(..).next() with find_map(..) 66 let m = core::iter::repeat(()).filter_map(|()| Some(92)).next();
67} //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 💡 weak: replace filter_map(..).next() with find_map(..)
96"#, 68"#,
97 ); 69 );
98 } 70 }
@@ -101,11 +73,11 @@ pub mod iter {
101 fn replace_filter_map_next_with_find_map_no_diagnostic_without_next() { 73 fn replace_filter_map_next_with_find_map_no_diagnostic_without_next() {
102 check_diagnostics( 74 check_diagnostics(
103 r#" 75 r#"
76//- minicore: iterators
104fn foo() { 77fn foo() {
105 let m = [1, 2, 3] 78 let m = core::iter::repeat(())
106 .iter() 79 .filter_map(|()| Some(92))
107 .filter_map(|x| Some(92)) 80 .count();
108 .len();
109} 81}
110"#, 82"#,
111 ); 83 );
@@ -115,12 +87,12 @@ fn foo() {
115 fn replace_filter_map_next_with_find_map_no_diagnostic_with_intervening_methods() { 87 fn replace_filter_map_next_with_find_map_no_diagnostic_with_intervening_methods() {
116 check_diagnostics( 88 check_diagnostics(
117 r#" 89 r#"
90//- minicore: iterators
118fn foo() { 91fn foo() {
119 let m = [1, 2, 3] 92 let m = core::iter::repeat(())
120 .iter() 93 .filter_map(|()| Some(92))
121 .filter_map(|x| Some(92))
122 .map(|x| x + 2) 94 .map(|x| x + 2)
123 .len(); 95 .next();
124} 96}
125"#, 97"#,
126 ); 98 );
@@ -130,10 +102,10 @@ fn foo() {
130 fn replace_filter_map_next_with_find_map_no_diagnostic_if_not_in_chain() { 102 fn replace_filter_map_next_with_find_map_no_diagnostic_if_not_in_chain() {
131 check_diagnostics( 103 check_diagnostics(
132 r#" 104 r#"
105//- minicore: iterators
133fn foo() { 106fn foo() {
134 let m = [1, 2, 3] 107 let m = core::iter::repeat(())
135 .iter() 108 .filter_map(|()| Some(92));
136 .filter_map(|x| Some(92));
137 let n = m.next(); 109 let n = m.next();
138} 110}
139"#, 111"#,
@@ -144,34 +116,14 @@ fn foo() {
144 fn replace_with_wind_map() { 116 fn replace_with_wind_map() {
145 check_fix( 117 check_fix(
146 r#" 118 r#"
147//- /main.rs crate:main deps:core 119//- minicore: iterators
148use core::iter::Iterator;
149use core::option::Option::{self, Some, None};
150fn foo() { 120fn foo() {
151 let m = [1, 2, 3].iter().$0filter_map(|x| Some(92)).next(); 121 let m = core::iter::repeat(()).$0filter_map(|()| Some(92)).next();
152}
153//- /core/lib.rs crate:core
154pub mod option {
155 pub enum Option<T> { Some(T), None }
156}
157pub mod iter {
158 pub trait Iterator {
159 type Item;
160 fn filter_map<B, F>(self, f: F) -> FilterMap where F: FnMut(Self::Item) -> Option<B> { FilterMap }
161 fn next(&mut self) -> Option<Self::Item>;
162 }
163 pub struct FilterMap {}
164 impl Iterator for FilterMap {
165 type Item = i32;
166 fn next(&mut self) -> i32 { 7 }
167 }
168} 122}
169"#, 123"#,
170 r#" 124 r#"
171use core::iter::Iterator;
172use core::option::Option::{self, Some, None};
173fn foo() { 125fn foo() {
174 let m = [1, 2, 3].iter().find_map(|x| Some(92)); 126 let m = core::iter::repeat(()).find_map(|()| Some(92));
175} 127}
176"#, 128"#,
177 ) 129 )
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 22:25:41 +0000