refactor(language-service): convert references_spec to new testing package (#40966)

refactor(language-service): convert references_spec to new testing package

PR Close #40966

packages/language-service/ivy/references.ts

@@ -392,6 +392,11 @@ export class ReferencesAndRenameBuilder {
       ...shimDocumentSpan,
       fileName: templateUrl,
       textSpan: toTextSpan(span),
+      // Specifically clear other text span values because we do not have enough knowledge to
+      // convert these to spans in the template.
+      contextSpan: undefined,
+      originalContextSpan: undefined,
+      originalTextSpan: undefined,
     };
   }
 }

packages/language-service/ivy/testing/src/buffer.ts

@@ -88,4 +88,16 @@ export class OpenBuffer {
   getTypeDefinitionAtPosition() {
     return this.ngLS.getTypeDefinitionAtPosition(this.scriptInfo.fileName, this._cursor);
   }
+
+  getReferencesAtPosition() {
+    return this.ngLS.getReferencesAtPosition(this.scriptInfo.fileName, this._cursor);
+  }
+
+  fineRenameLocations() {
+    return this.ngLS.findRenameLocations(this.scriptInfo.fileName, this._cursor);
+  }
+
+  getRenameInfo() {
+    return this.ngLS.getRenameInfo(this.scriptInfo.fileName, this._cursor);
+  }
 }

packages/language-service/ivy/testing/src/project.ts

@@ -98,9 +98,14 @@ export class Project {
   openFile(projectFileName: string): OpenBuffer {
     if (!this.buffers.has(projectFileName)) {
       const fileName = absoluteFrom(`/${this.name}/${projectFileName}`);
+      let scriptInfo = this.tsProject.getScriptInfo(fileName);
       this.projectService.openClientFile(fileName);
+      // Mark the project as dirty because the act of opening a file may result in the version
+      // changing since TypeScript will `switchToScriptVersionCache` when a file is opened.
+      // Note that this emulates what we have to do in the server/extension as well.
+      this.tsProject.markAsDirty();
 
-      const scriptInfo = this.tsProject.getScriptInfo(fileName);
+      scriptInfo = this.tsProject.getScriptInfo(fileName);
       if (scriptInfo === undefined) {
         throw new Error(
             `Unable to open ScriptInfo for ${projectFileName} in project ${this.tsConfigPath}`);

packages/language-service/ivy/testing/src/util.ts

@@ -45,6 +45,11 @@ export function assertFileNames(refs: Array<{fileName: string}>, expectedFileNam
   expect(new Set(actualFileNames)).toEqual(new Set(expectedFileNames));
 }
 
+export function assertTextSpans(items: Array<{textSpan: string}>, expectedTextSpans: string[]) {
+  const actualSpans = items.map(item => item.textSpan);
+  expect(new Set(actualSpans)).toEqual(new Set(expectedTextSpans));
+}
+
 /**
  * Returns whether the given `ts.Diagnostic` is of a type only produced by the Angular compiler (as
  * opposed to being an upstream TypeScript diagnostic).