Add starting real goto definition tests

These tests are very incomplete,
but they serve as a good basis for future work.

commit-id:2d88cb6c

tests/e2e/goto.rs → tests/e2e/goto_definition.rs

@@ -1,5 +1,6 @@
 use cairo_lang_test_utils::parse_test_file::TestRunnerResult;
 use cairo_lang_utils::ordered_hash_map::OrderedHashMap;
+use indoc::indoc;
 use lsp_types::{
     ClientCapabilities, GotoCapability, GotoDefinitionParams, GotoDefinitionResponse,
     TextDocumentClientCapabilities, TextDocumentPositionParams, lsp_request,
@@ -9,12 +10,17 @@ use crate::support::cursor::{peek_caret, peek_selection};
 use crate::support::{cursors, sandbox};
 
 cairo_lang_test_utils::test_file_test!(
-    goto,
+    goto_definition,
     "tests/test_data/goto",
     {
+        enum_variants: "enum_variants.txt",
+        inline_macros: "inline_macros.txt",
+        items: "items.txt",
+        modules: "modules.txt",
         struct_members: "struct_members.txt",
+        variables: "variables.txt",
     },
-    test_goto_members
+    test_goto_definition
 );
 
 fn caps(base: ClientCapabilities) -> ClientCapabilities {
@@ -32,21 +38,21 @@ fn caps(base: ClientCapabilities) -> ClientCapabilities {
     }
 }
 
-/// Perform hover test.
-///
-/// This function spawns a sandbox language server with the given code in the `src/lib.cairo` file.
-/// The Cairo source code is expected to contain caret markers.
-/// The function then requests goto definition information at each caret position and compares
-/// the result with the expected hover information from the snapshot file.
-fn test_goto_members(
+fn test_goto_definition(
     inputs: &OrderedHashMap<String, String>,
     _args: &OrderedHashMap<String, String>,
 ) -> TestRunnerResult {
     let (cairo, cursors) = cursors(&inputs["cairo_code"]);
 
     let mut ls = sandbox! {
         files {
-            "cairo_project.toml" => inputs["cairo_project.toml"].clone(),
+            "cairo_project.toml" => indoc! {r#"
+                [crate_roots]
+                hello = "src"
+
+                [config.global]
+                edition = "2024_07"
+            "#},
             "src/lib.cairo" => cairo.clone(),
         }
         client_capabilities = caps;
@@ -68,17 +74,26 @@ fn test_goto_members(
             work_done_progress_params: Default::default(),
             partial_result_params: Default::default(),
         };
-        let goto_definition_response =
+        let response =
             ls.send_request::<lsp_request!("textDocument/definition")>(code_action_params);
 
-        if let Some(goto_definition_response) = goto_definition_response {
-            if let GotoDefinitionResponse::Scalar(location) = goto_definition_response {
+        match response {
+            Some(GotoDefinitionResponse::Scalar(location)) => {
+                report.push_str("---\n");
                 report.push_str(&peek_selection(&cairo, &location.range));
-            } else {
-                panic!("Unexpected GotoDefinitionResponse variant.")
             }
-        } else {
-            panic!("Goto definition request failed.");
+            Some(GotoDefinitionResponse::Array(locations)) => {
+                for location in locations {
+                    report.push_str("---\n");
+                    report.push_str(&peek_selection(&cairo, &location.range));
+                }
+            }
+            Some(GotoDefinitionResponse::Link(_)) => {
+                panic!("unexpected GotoDefinitionResponse::Link");
+            }
+            None => {
+                report.push_str("None");
+            }
         }
         goto_definitions.insert(format!("Goto definition #{}", n), report);
     }

tests/e2e/main.rs

@@ -1,7 +1,7 @@
 mod analysis;
 mod code_actions;
 mod completions;
-mod goto;
+mod goto_definition;
 mod hover;
 mod macro_expand;
 mod semantic_tokens;

tests/test_data/goto/enum_variants.txt

@@ -0,0 +1,28 @@
+//! > Test goto definition of an enum variant.
+
+//! > test_runner_name
+test_goto_definition
+
+//! > cairo_code
+enum Foo {
+    Bar,
+    Baz,
+}
+
+fn main() {
+    let foo = Foo::Ba<caret>r;
+    match foo {
+        Foo::Ba<caret>r => {}
+        _ => {}
+    }
+}
+
+//! > Goto definition #0
+    let foo = Foo::Ba<caret>r;
+---
+    <sel>Bar</sel>,
+
+//! > Goto definition #1
+        Foo::Ba<caret>r => {}
+---
+    <sel>Bar</sel>,

tests/test_data/goto/inline_macros.txt

@@ -0,0 +1,17 @@
+//! > Test goto definition on inline macro.
+
+//! > test_runner_name
+test_goto_definition
+
+//! > cairo_code
+// FIXME(#116): This is wrong.
+fn main() {
+    prin<caret>t!("Hello, world!");
+}
+
+//! > Goto definition #0
+    prin<caret>t!("Hello, world!");
+---
+<sel>fn main() {
+    print!("Hello, world!");
+}</sel>

tests/test_data/goto/items.txt

@@ -0,0 +1,185 @@
+//! > Test goto definition of a function.
+
+//! > test_runner_name
+test_goto_definition
+
+//! > cairo_code
+fn main() {
+    fo<caret>o();
+}
+
+fn foo() {} // good
+
+mod bar {
+    fn foo() {} // bad
+}
+
+//! > Goto definition #0
+    fo<caret>o();
+---
+<sel>fn foo() {}</sel> // good
+
+//! > ==========================================================================
+
+//! > Test goto definition of a struct.
+
+//! > test_runner_name
+test_goto_definition
+
+//! > cairo_code
+struct Foo {
+    field: felt252,
+}
+
+fn main() {
+    let foo = Fo<caret>o { field: 0 };
+}
+
+fn calc(foo: Fo<caret>o) {}
+
+//! > Goto definition #0
+    let foo = Fo<caret>o { field: 0 };
+---
+<sel>struct Foo {
+    field: felt252,
+}</sel>
+
+//! > Goto definition #1
+fn calc(foo: Fo<caret>o) {}
+---
+<sel>struct Foo {
+    field: felt252,
+}</sel>
+
+//! > ==========================================================================
+
+//! > Test goto definition of an enum.
+
+//! > test_runner_name
+test_goto_definition
+
+//! > cairo_code
+enum Foo {
+    Bar,
+    Baz,
+}
+
+fn main() {
+    let foo = Fo<caret>o::Bar;
+}
+
+fn calc(foo: Fo<caret>o) {}
+
+//! > Goto definition #0
+    let foo = Fo<caret>o::Bar;
+---
+<sel>enum Foo {
+    Bar,
+    Baz,
+}</sel>
+
+//! > Goto definition #1
+fn calc(foo: Fo<caret>o) {}
+---
+<sel>enum Foo {
+    Bar,
+    Baz,
+}</sel>
+
+//! > ==========================================================================
+
+//! > Test goto definition with traits.
+
+//! > test_runner_name
+test_goto_definition
+
+//! > cairo_code
+pub trait ShapeGeometry<T> {
+    fn boundary(self: T) -> u64;
+    fn area(self: T) -> u64;
+}
+
+mod rectangle {
+    use super::Sha<caret>peGeometry;
+
+    #[derive(Copy, Drop)]
+    pub struct Rectangle {
+        pub height: u64,
+        pub width: u64,
+    }
+
+    impl RectangleGeometry of ShapeGe<caret>ometry<Recta<caret>ngle> {
+        fn boun<caret>dary(self: Recta<caret>ngle) -> u64 {
+            2 * (self.height + self.width)
+        }
+        fn area(self: Rectangle) -> u64 {
+            self.height * self.width
+        }
+    }
+}
+
+use rectangle::Rectangle;
+
+fn main() {
+    let rect = Rectangle { height: 5, width: 7 };
+    let area = ShapeGeo<caret>metry::ar<caret>ea(rect);
+}
+
+//! > Goto definition #0
+    use super::Sha<caret>peGeometry;
+---
+<sel>pub trait ShapeGeometry<T> {
+    fn boundary(self: T) -> u64;
+    fn area(self: T) -> u64;
+}</sel>
+
+//! > Goto definition #1
+    impl RectangleGeometry of ShapeGe<caret>ometry<Rectangle> {
+---
+<sel>pub trait ShapeGeometry<T> {
+    fn boundary(self: T) -> u64;
+    fn area(self: T) -> u64;
+}</sel>
+
+//! > Goto definition #2
+    impl RectangleGeometry of ShapeGeometry<Recta<caret>ngle> {
+---
+    <sel>#[derive(Copy, Drop)]
+    pub struct Rectangle {
+        pub height: u64,
+        pub width: u64,
+    }</sel>
+
+//! > Goto definition #3
+        fn boun<caret>dary(self: Rectangle) -> u64 {
+---
+    <sel>impl RectangleGeometry of ShapeGeometry<Rectangle> {
+        fn boundary(self: Rectangle) -> u64 {
+            2 * (self.height + self.width)
+        }
+        fn area(self: Rectangle) -> u64 {
+            self.height * self.width
+        }
+    }</sel>
+
+//! > Goto definition #4
+        fn boundary(self: Recta<caret>ngle) -> u64 {
+---
+    <sel>#[derive(Copy, Drop)]
+    pub struct Rectangle {
+        pub height: u64,
+        pub width: u64,
+    }</sel>
+
+//! > Goto definition #5
+    let area = ShapeGeo<caret>metry::area(rect);
+---
+<sel>pub trait ShapeGeometry<T> {
+    fn boundary(self: T) -> u64;
+    fn area(self: T) -> u64;
+}</sel>
+
+//! > Goto definition #6
+    let area = ShapeGeometry::ar<caret>ea(rect);
+---
+    <sel>fn area(self: T) -> u64;</sel>

tests/test_data/goto/modules.txt

@@ -0,0 +1,64 @@
+//! > Test goto definition of a module.
+
+//! > test_runner_name
+test_goto_definition
+
+//! > cairo_code
+fn main() {
+    modu<caret>le::ba<caret>r::foo();
+}
+
+mod module {
+    // good
+    mod module {
+        // bad
+    }
+
+    mod bar { // good
+        fn foo() {}
+    }
+}
+
+//! > Goto definition #0
+    modu<caret>le::bar::foo();
+---
+mod module <sel>{
+    // good
+    mod module {
+        // bad
+    }
+
+    mod bar { // good
+        fn foo() {}
+    }
+}</sel>
+
+//! > Goto definition #1
+    module::ba<caret>r::foo();
+---
+    mod bar <sel>{ // good
+        fn foo() {}
+    }</sel>
+
+//! > ==========================================================================
+
+//! > Test goto definition of a function in a submodule.
+
+//! > test_runner_name
+test_goto_definition
+
+//! > cairo_code
+fn main() {
+    module::fo<caret>o();
+}
+
+fn foo() {} // bad
+
+mod module {
+    fn foo() {} // good
+}
+
+//! > Goto definition #0
+    module::fo<caret>o();
+---
+    <sel>fn foo() {}</sel> // good