test: Always collect coverage

But only set the threshold when running unit tests specifically.
This way coverage for single classes can easily be tested.

jest.config.js

@@ -14,19 +14,12 @@ module.exports = {
   ],
   testEnvironment: 'node',
   setupFilesAfterEnv: [ 'jest-rdf', '<rootDir>/test/util/SetupTests.ts' ],
+  collectCoverage: true,
   coveragePathIgnorePatterns: [
     '/dist/',
     '/node_modules/',
     '/test/',
   ],
-  coverageThreshold: {
-    './src': {
-      branches: 100,
-      functions: 100,
-      lines: 100,
-      statements: 100,
-    },
-  },
   // Slower machines had problems calling the WebSocket integration callbacks on time
   testTimeout: 10000,
 };

jest.coverage.config.js

@@ -0,0 +1,13 @@
+const jestConfig = require('./jest.config');
+
+module.exports = {
+  ...jestConfig,
+  coverageThreshold: {
+    './src': {
+      branches: 100,
+      functions: 100,
+      lines: 100,
+      statements: 100,
+    },
+  },
+};

package.json

@@ -56,7 +56,7 @@
     "test:deploy": "test/deploy/validate-package.sh",
     "test:ts": "tsc -p test --noEmit",
     "test:integration": "jest test/integration",
-    "test:unit": "jest --collectCoverage test/unit",
+    "test:unit": "jest --config=./jest.coverage.config.js test/unit",
     "test:watch": "jest --watch test/unit",
     "validate": "componentsjs-compile-config urn:solid-server:default:Initializer -c config/config-default.json -f > /dev/null",
     "version": "manual-git-changelog onversion",

test/unit/init/CliRunner.test.ts

@@ -157,7 +157,9 @@ describe('CliRunner', (): void => {
 
   it('exits with output to stderr when instantiation fails.', async(): Promise<void> => {
     manager.instantiate.mockRejectedValueOnce(new Error('Fatal'));
-    new CliRunner().run();
+    new CliRunner().run({
+      argv: [ 'node', 'script' ],
+    });
     await new Promise((resolve): any => setImmediate(resolve));
 
     expect(write).toHaveBeenCalledTimes(2);