1 files changed, 249 insertions, 0 deletions

diff --git a/crates/ra_ide_api/tests/test/main.rs b/crates/ra_ide_api/tests/test/main.rs
new file mode 100644
index 000000000..d1dc07e5b
--- /dev/null
+++ b/crates/ra_ide_api/tests/test/main.rs
@@ -0,0 +1,249 @@
+mod runnables;
+
+use ra_syntax::TextRange;
+use test_utils::{assert_eq_dbg, assert_eq_text};
+
+use ra_ide_api::{
+    mock_analysis::{analysis_and_position, single_file, single_file_with_position, MockAnalysis},
+    AnalysisChange, CrateGraph, FileId, Query
+};
+
+#[test]
+fn test_unresolved_module_diagnostic() {
+    let (analysis, file_id) = single_file("mod foo;");
+    let diagnostics = analysis.diagnostics(file_id).unwrap();
+    assert_eq_dbg(
+        r#"[Diagnostic {
+            message: "unresolved module",
+            range: [4; 7),
+            fix: Some(SourceChange {
+                label: "create module",
+                source_file_edits: [],
+                file_system_edits: [CreateFile { source_root: SourceRootId(0), path: "foo.rs" }],
+                cursor_position: None }),
+                severity: Error }]"#,
+        &diagnostics,
+    );
+}
+
+// FIXME: move this test to hir
+#[test]
+fn test_unresolved_module_diagnostic_no_diag_for_inline_mode() {
+    let (analysis, file_id) = single_file("mod foo {}");
+    let diagnostics = analysis.diagnostics(file_id).unwrap();
+    assert_eq_dbg(r#"[]"#, &diagnostics);
+}
+
+#[test]
+fn test_resolve_parent_module() {
+    let (analysis, pos) = analysis_and_position(
+        "
+        //- /lib.rs
+        mod foo;
+        //- /foo.rs
+        <|>// empty
+    ",
+    );
+    let symbols = analysis.parent_module(pos).unwrap();
+    assert_eq_dbg(
+        r#"[NavigationTarget { file_id: FileId(1), name: "foo", kind: MODULE, range: [4; 7), ptr: None }]"#,
+        &symbols,
+    );
+}
+
+#[test]
+fn test_resolve_parent_module_for_inline() {
+    let (analysis, pos) = analysis_and_position(
+        "
+        //- /lib.rs
+        mod foo {
+            mod bar {
+                mod baz { <|> }
+            }
+        }
+    ",
+    );
+    let symbols = analysis.parent_module(pos).unwrap();
+    assert_eq_dbg(
+        r#"[NavigationTarget { file_id: FileId(1), name: "baz", kind: MODULE, range: [36; 39), ptr: None }]"#,
+        &symbols,
+    );
+}
+
+#[test]
+fn test_resolve_crate_root() {
+    let mock = MockAnalysis::with_files(
+        "
+        //- /bar.rs
+        mod foo;
+        //- /bar/foo.rs
+        // emtpy <|>
+    ",
+    );
+    let root_file = mock.id_of("/bar.rs");
+    let mod_file = mock.id_of("/bar/foo.rs");
+    let mut host = mock.analysis_host();
+    assert!(host.analysis().crate_for(mod_file).unwrap().is_empty());
+
+    let mut crate_graph = CrateGraph::default();
+    let crate_id = crate_graph.add_crate_root(root_file);
+    let mut change = AnalysisChange::new();
+    change.set_crate_graph(crate_graph);
+    host.apply_change(change);
+
+    assert_eq!(host.analysis().crate_for(mod_file).unwrap(), vec![crate_id]);
+}
+
+fn get_all_refs(text: &str) -> Vec<(FileId, TextRange)> {
+    let (analysis, position) = single_file_with_position(text);
+    analysis.find_all_refs(position).unwrap()
+}
+
+#[test]
+fn test_find_all_refs_for_local() {
+    let code = r#"
+    fn main() {
+        let mut i = 1;
+        let j = 1;
+        i = i<|> + j;
+
+        {
+            i = 0;
+        }
+
+        i = 5;
+    }"#;
+
+    let refs = get_all_refs(code);
+    assert_eq!(refs.len(), 5);
+}
+
+#[test]
+fn test_find_all_refs_for_param_inside() {
+    let code = r#"
+    fn foo(i : u32) -> u32 {
+        i<|>
+    }"#;
+
+    let refs = get_all_refs(code);
+    assert_eq!(refs.len(), 2);
+}
+
+#[test]
+fn test_find_all_refs_for_fn_param() {
+    let code = r#"
+    fn foo(i<|> : u32) -> u32 {
+        i
+    }"#;
+
+    let refs = get_all_refs(code);
+    assert_eq!(refs.len(), 2);
+}
+#[test]
+fn test_rename_for_local() {
+    test_rename(
+        r#"
+    fn main() {
+        let mut i = 1;
+        let j = 1;
+        i = i<|> + j;
+
+        {
+            i = 0;
+        }
+
+        i = 5;
+    }"#,
+        "k",
+        r#"
+    fn main() {
+        let mut k = 1;
+        let j = 1;
+        k = k + j;
+
+        {
+            k = 0;
+        }
+
+        k = 5;
+    }"#,
+    );
+}
+
+#[test]
+fn test_rename_for_param_inside() {
+    test_rename(
+        r#"
+    fn foo(i : u32) -> u32 {
+        i<|>
+    }"#,
+        "j",
+        r#"
+    fn foo(j : u32) -> u32 {
+        j
+    }"#,
+    );
+}
+
+#[test]
+fn test_rename_refs_for_fn_param() {
+    test_rename(
+        r#"
+    fn foo(i<|> : u32) -> u32 {
+        i
+    }"#,
+        "new_name",
+        r#"
+    fn foo(new_name : u32) -> u32 {
+        new_name
+    }"#,
+    );
+}
+
+#[test]
+fn test_rename_for_mut_param() {
+    test_rename(
+        r#"
+    fn foo(mut i<|> : u32) -> u32 {
+        i
+    }"#,
+        "new_name",
+        r#"
+    fn foo(mut new_name : u32) -> u32 {
+        new_name
+    }"#,
+    );
+}
+
+fn test_rename(text: &str, new_name: &str, expected: &str) {
+    let (analysis, position) = single_file_with_position(text);
+    let edits = analysis.rename(position, new_name).unwrap();
+    let mut text_edit_bulder = ra_text_edit::TextEditBuilder::default();
+    let mut file_id: Option<FileId> = None;
+    for edit in edits {
+        file_id = Some(edit.file_id);
+        for atom in edit.edit.as_atoms() {
+            text_edit_bulder.replace(atom.delete, atom.insert.clone());
+        }
+    }
+    let result = text_edit_bulder
+        .finish()
+        .apply(&*analysis.file_text(file_id.unwrap()));
+    assert_eq_text!(expected, &*result);
+}
+
+#[test]
+fn world_symbols_include_stuff_from_macros() {
+    let (analysis, _) = single_file(
+        "
+salsa::query_group! {
+pub trait HirDatabase: SyntaxDatabase {}
+}
+    ",
+    );
+
+    let mut symbols = analysis.symbol_search(Query::new("Hir".into())).unwrap();
+    let s = symbols.pop().unwrap();
+    assert_eq!(s.name(), "HirDatabase");
+    assert_eq!(s.range(), TextRange::from_to(33.into(), 44.into()));
+}