Refactor goto tests to always specify texts

2 files changed, 76 insertions, 52 deletions

diff --git a/crates/ra_ide/src/goto_definition.rs b/crates/ra_ide/src/goto_definition.rs
index 3b4d89e3e..48757f170 100644
--- a/crates/ra_ide/src/goto_definition.rs
+++ b/crates/ra_ide/src/goto_definition.rs
@@ -225,30 +225,35 @@ mod tests {
 
     use crate::mock_analysis::analysis_and_position;
 
-    fn check_goto(fixture: &str, expected: &str) {
+    fn check_goto(fixture: &str, expected: &str, expected_range: &str) {
         let (analysis, pos) = analysis_and_position(fixture);
 
         let mut navs = analysis.goto_definition(pos).unwrap().unwrap().info;
         assert_eq!(navs.len(), 1);
-        let nav = navs.pop().unwrap();
-        nav.assert_match(expected);
-    }
-
-    fn check_goto_with_range_content(fixture: &str, expected: &str, expected_range: &str) {
-        let (analysis, pos) = analysis_and_position(fixture);
 
-        let mut navs = analysis.goto_definition(pos).unwrap().unwrap().info;
-        assert_eq!(navs.len(), 1);
         let nav = navs.pop().unwrap();
-        let file_text = analysis.file_text(pos.file_id).unwrap();
+        let file_text = analysis.file_text(nav.file_id()).unwrap();
 
-        let actual_full_range = &file_text[nav.full_range()];
-        let actual_range = &file_text[nav.range()];
+        let mut actual = file_text[nav.full_range()].to_string();
+        if let Some(focus) = nav.focus_range() {
+            actual += "|";
+            actual += &file_text[focus];
+        }
+
+        if !expected_range.contains("...") {
+            test_utils::assert_eq_text!(&actual, expected_range);
+        } else {
+            let mut parts = expected_range.split("...");
+            let prefix = parts.next().unwrap();
+            let suffix = parts.next().unwrap();
+            assert!(
+                actual.starts_with(prefix) && actual.ends_with(suffix),
+                "\nExpected: {}\n Actual: {}\n",
+                expected_range,
+                actual
+            );
+        }
 
-        test_utils::assert_eq_text!(
-            &format!("{}|{}", actual_full_range, actual_range),
-            expected_range
-        );
         nav.assert_match(expected);
     }
 
@@ -261,6 +266,7 @@ mod tests {
             enum E { X(Foo<|>) }
             ",
             "Foo STRUCT_DEF FileId(1) [0; 11) [7; 10)",
+            "struct Foo;|Foo",
         );
     }
 
@@ -273,6 +279,7 @@ mod tests {
             enum E { X(<|>Foo) }
             ",
             "Foo STRUCT_DEF FileId(1) [0; 11) [7; 10)",
+            "struct Foo;|Foo",
         );
     }
 
@@ -293,6 +300,7 @@ mod tests {
             struct Foo;
             ",
             "Foo STRUCT_DEF FileId(2) [0; 11) [7; 10)",
+            "struct Foo;|Foo",
         );
     }
 
@@ -307,6 +315,7 @@ mod tests {
             // empty
             ",
             "foo SOURCE_FILE FileId(2) [0; 10)",
+            "// empty\n\n",
         );
 
         check_goto(
@@ -318,6 +327,7 @@ mod tests {
             // empty
             ",
             "foo SOURCE_FILE FileId(2) [0; 10)",
+            "// empty\n\n",
         );
     }
 
@@ -327,17 +337,14 @@ mod tests {
         check_goto(
             "
             //- /lib.rs
-            macro_rules! foo {
-                () => {
-                    {}
-                };
-            }
+            macro_rules! foo { () => { () } }
 
             fn bar() {
                 <|>foo!();
             }
             ",
-            "foo MACRO_CALL FileId(1) [0; 50) [13; 16)",
+            "foo MACRO_CALL FileId(1) [0; 33) [13; 16)",
+            "macro_rules! foo { () => { () } }|foo",
         );
     }
 
@@ -354,13 +361,10 @@ mod tests {
 
             //- /foo/lib.rs
             #[macro_export]
-            macro_rules! foo {
-                () => {
-                    {}
-                };
-            }
+            macro_rules! foo { () => { () } }
             ",
-            "foo MACRO_CALL FileId(2) [0; 66) [29; 32)",
+            "foo MACRO_CALL FileId(2) [0; 49) [29; 32)",
+            "#[macro_export]\nmacro_rules! foo { () => { () } }|foo",
         );
     }
 
@@ -373,19 +377,16 @@ mod tests {
 
             //- /foo/lib.rs
             #[macro_export]
-            macro_rules! foo {
-                () => {
-                    {}
-                };
-            }
+            macro_rules! foo { () => { () } }
             ",
-            "foo MACRO_CALL FileId(2) [0; 66) [29; 32)",
+            "foo MACRO_CALL FileId(2) [0; 49) [29; 32)",
+            "#[macro_export]\nmacro_rules! foo { () => { () } }|foo",
         );
     }
 
     #[test]
     fn goto_definition_works_for_macro_defined_fn_with_arg() {
-        check_goto_with_range_content(
+        check_goto(
             "
             //- /lib.rs
             macro_rules! define_fn {
@@ -405,7 +406,7 @@ mod tests {
 
     #[test]
     fn goto_definition_works_for_macro_defined_fn_no_arg() {
-        check_goto_with_range_content(
+        check_goto(
             "
             //- /lib.rs
             macro_rules! define_fn {
@@ -431,14 +432,15 @@ mod tests {
             //- /lib.rs
             struct Foo;
             impl Foo {
-                fn frobnicate(&self) {  }
+                fn frobnicate(&self) { }
             }
 
             fn bar(foo: &Foo) {
                 foo.frobnicate<|>();
             }
             ",
-            "frobnicate FN_DEF FileId(1) [27; 52) [30; 40)",
+            "frobnicate FN_DEF FileId(1) [27; 51) [30; 40)",
+            "fn frobnicate(&self) { }|frobnicate",
         );
     }
 
@@ -457,6 +459,7 @@ mod tests {
             }
             ",
             "spam RECORD_FIELD_DEF FileId(1) [17; 26) [17; 21)",
+            "spam: u32|spam",
         );
     }
 
@@ -477,6 +480,7 @@ mod tests {
             }
             ",
             "spam RECORD_FIELD_DEF FileId(1) [17; 26) [17; 21)",
+            "spam: u32|spam",
         );
     }
 
@@ -493,6 +497,7 @@ mod tests {
             }
             ",
             "TUPLE_FIELD_DEF FileId(1) [11; 14)",
+            "u32",
         );
     }
 
@@ -503,14 +508,15 @@ mod tests {
             //- /lib.rs
             struct Foo;
             impl Foo {
-                fn frobnicate() {  }
+                fn frobnicate() { }
             }
 
             fn bar(foo: &Foo) {
                 Foo::frobnicate<|>();
             }
             ",
-            "frobnicate FN_DEF FileId(1) [27; 47) [30; 40)",
+            "frobnicate FN_DEF FileId(1) [27; 46) [30; 40)",
+            "fn frobnicate() { }|frobnicate",
         );
     }
 
@@ -528,6 +534,7 @@ mod tests {
             }
             ",
             "frobnicate FN_DEF FileId(1) [16; 32) [19; 29)",
+            "fn frobnicate();|frobnicate",
         );
     }
 
@@ -547,6 +554,7 @@ mod tests {
             }
             ",
             "frobnicate FN_DEF FileId(1) [30; 46) [33; 43)",
+            "fn frobnicate();|frobnicate",
         );
     }
 
@@ -563,6 +571,7 @@ mod tests {
             }
             ",
             "impl IMPL_BLOCK FileId(1) [12; 73)",
+            "impl Foo {...}",
         );
 
         check_goto(
@@ -576,6 +585,7 @@ mod tests {
             }
             ",
             "impl IMPL_BLOCK FileId(1) [12; 73)",
+            "impl Foo {...}",
         );
 
         check_goto(
@@ -589,6 +599,7 @@ mod tests {
             }
             ",
             "impl IMPL_BLOCK FileId(1) [15; 75)",
+            "impl Foo {...}",
         );
 
         check_goto(
@@ -601,6 +612,7 @@ mod tests {
             }
             ",
             "impl IMPL_BLOCK FileId(1) [15; 62)",
+            "impl Foo {...}",
         );
     }
 
@@ -620,6 +632,7 @@ mod tests {
             }
             ",
             "impl IMPL_BLOCK FileId(1) [49; 115)",
+            "impl Make for Foo {...}",
         );
 
         check_goto(
@@ -636,6 +649,7 @@ mod tests {
             }
             ",
             "impl IMPL_BLOCK FileId(1) [49; 115)",
+            "impl Make for Foo {...}",
         );
     }
 
@@ -647,6 +661,7 @@ mod tests {
             struct Foo<|> { value: u32 }
             ",
             "Foo STRUCT_DEF FileId(1) [0; 25) [7; 10)",
+            "struct Foo { value: u32 }|Foo",
         );
 
         check_goto(
@@ -657,15 +672,16 @@ mod tests {
             }
             "#,
             "field RECORD_FIELD_DEF FileId(1) [17; 30) [17; 22)",
+            "field: string|field",
         );
 
         check_goto(
             "
             //- /lib.rs
-            fn foo_test<|>() {
-            }
+            fn foo_test<|>() { }
             ",
             "foo_test FN_DEF FileId(1) [0; 17) [3; 11)",
+            "fn foo_test() { }|foo_test",
         );
 
         check_goto(
@@ -676,6 +692,7 @@ mod tests {
             }
             ",
             "Foo ENUM_DEF FileId(1) [0; 25) [5; 8)",
+            "enum Foo {...}|Foo",
         );
 
         check_goto(
@@ -688,22 +705,25 @@ mod tests {
             }
             ",
             "Variant2 ENUM_VARIANT FileId(1) [29; 37) [29; 37)",
+            "Variant2|Variant2",
         );
 
         check_goto(
             r#"
             //- /lib.rs
-            static inner<|>: &str = "";
+            static INNER<|>: &str = "";
             "#,
-            "inner STATIC_DEF FileId(1) [0; 24) [7; 12)",
+            "INNER STATIC_DEF FileId(1) [0; 24) [7; 12)",
+            "static INNER: &str = \"\";|INNER",
         );
 
         check_goto(
             r#"
             //- /lib.rs
-            const inner<|>: &str = "";
+            const INNER<|>: &str = "";
             "#,
-            "inner CONST_DEF FileId(1) [0; 23) [6; 11)",
+            "INNER CONST_DEF FileId(1) [0; 23) [6; 11)",
+            "const INNER: &str = \"\";|INNER",
         );
 
         check_goto(
@@ -712,24 +732,25 @@ mod tests {
             type Thing<|> = Option<()>;
             "#,
             "Thing TYPE_ALIAS_DEF FileId(1) [0; 24) [5; 10)",
+            "type Thing = Option<()>;|Thing",
         );
 
         check_goto(
             r#"
             //- /lib.rs
-            trait Foo<|> {
-            }
+            trait Foo<|> { }
             "#,
             "Foo TRAIT_DEF FileId(1) [0; 13) [6; 9)",
+            "trait Foo { }|Foo",
         );
 
         check_goto(
             r#"
             //- /lib.rs
-            mod bar<|> {
-            }
+            mod bar<|> { }
             "#,
             "bar MODULE FileId(1) [0; 11) [4; 7)",
+            "mod bar { }|bar",
         );
     }
 
@@ -750,6 +771,7 @@ mod tests {
             mod confuse_index { fn foo(); }
             ",
             "foo FN_DEF FileId(1) [52; 63) [55; 58)",
+            "fn foo() {}|foo",
         );
     }
 
@@ -778,6 +800,7 @@ mod tests {
             }
             ",
             "foo FN_DEF FileId(1) [398; 415) [401; 404)",
+            "fn foo() -> i8 {}|foo",
         );
     }
 
@@ -791,6 +814,7 @@ mod tests {
             }
             ",
             "T TYPE_PARAM FileId(1) [11; 12)",
+            "T",
         );
     }
 }
diff --git a/crates/test_utils/src/lib.rs b/crates/test_utils/src/lib.rs
index 657ddf2a6..659f77b71 100644
--- a/crates/test_utils/src/lib.rs
+++ b/crates/test_utils/src/lib.rs
@@ -207,8 +207,8 @@ pub fn lines_match(expected: &str, actual: &str) -> bool {
     // Let's not deal with / vs \ (windows...)
     // First replace backslash-escaped backslashes with forward slashes
     // which can occur in, for example, JSON output
-    let expected = expected.replace("\\\\", "/").replace("\\", "/");
-    let mut actual: &str = &actual.replace("\\\\", "/").replace("\\", "/");
+    let expected = expected.replace(r"\\", "/").replace(r"\", "/");
+    let mut actual: &str = &actual.replace(r"\\", "/").replace(r"\", "/");
     for (i, part) in expected.split("[..]").enumerate() {
         match actual.find(part) {
             Some(j) => {