Unit test for coverage

test/unit-tests/coverage.test.ts

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+import { handleCoverageInfoFiles } from "@cmt/coverage";
+import * as vscode from "vscode";
+import { expect, getTestResourceFilePath } from "@test/util";
+
+suite('Coverage Handling', () => {
+
+    test('Coverage Info (LCOV)', async () => {
+        const filesCoverages: vscode.FileCoverage[] = [];
+        const testRun: vscode.TestRun = {
+            name: '',
+            token: {} as vscode.CancellationToken,
+            isPersisted: false,
+            enqueued: (_test: vscode.TestItem) => {},
+            started: (_test: vscode.TestItem) => {},
+            passed: (_test: vscode.TestItem, _duration: number) => {},
+            failed: (_test: vscode.TestItem, _message: vscode.TestMessage | vscode.TestMessage[], _duration: number) => {},
+            skipped: (_test: vscode.TestItem) => {},
+            errored: (_test: vscode.TestItem, _message: vscode.TestMessage | vscode.TestMessage[], _duration: number) => {},
+            appendOutput: (_output: string, _location?: vscode.Location, _test?: vscode.TestItem) => {},
+            addCoverage: (fileCoverage: vscode.FileCoverage) => {
+                filesCoverages.push(fileCoverage);
+            },
+            end: () => {},
+            onDidDispose: (_listener: () => void): vscode.Disposable => new vscode.Disposable(() => {})
+        };
+
+        const coverageData = new WeakMap<vscode.FileCoverage, vscode.FileCoverageDetail[]>();
+        await handleCoverageInfoFiles(testRun, [getTestResourceFilePath('lcov.info')], coverageData);
+        expect(filesCoverages.length).to.eq(1);
+        expect(filesCoverages[0].uri.fsPath).to.eq('/tmp/lcov/main.cpp');
+        const coverageDetail = coverageData.get(filesCoverages[0]);
+        expect(coverageDetail).to.not.be.undefined;
+
+        expect(coverageDetail![0].executed).to.eq(1);
+        expect((coverageDetail![0].location as vscode.Position).line).to.eq(2);
+
+        expect(coverageDetail![1].executed).to.eq(1);
+        expect((coverageDetail![1].location as vscode.Position).line).to.eq(3);
+
+        console.log(JSON.stringify(coverageDetail, null, 4));
+    });
+});

test/unit-tests/lcov.info

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+TN:
+SF:/tmp/lcov/main.cpp
+FN:3,4,main
+FN:5,5,_GLOBAL__sub_I_main
+FN:5,5,_Z41__static_initialization_and_destruction_0ii
+FNDA:1,main
+FNDA:1,_GLOBAL__sub_I_main
+FNDA:1,_Z41__static_initialization_and_destruction_0ii
+FNF:3
+FNH:3
+DA:3,1
+DA:4,1
+DA:5,4
+LF:3
+LH:3
+end_of_record