build(eslint): add eslint-plugin-testing-library

Author: the-ult

.eslintrc.json

@@ -36,6 +36,7 @@
     },
     {
       "files": ["*.ts"],
+      "plugins": ["eslint-plugin-import", "@angular-eslint/eslint-plugin", "@typescript-eslint"],
       "rules": {
         "@typescript-eslint/consistent-type-definitions": "error",
         "@typescript-eslint/dot-notation": "off",
@@ -102,8 +103,14 @@
             "markers": ["/"]
           }
         ]
-      },
-      "plugins": ["eslint-plugin-import", "@angular-eslint/eslint-plugin", "@typescript-eslint"]
+      }
+    },
+    {
+      "files": ["*.spec.ts"],
+      "extends": ["plugin:testing-library/angular", "plugin:jest-dom/recommended"],
+      "rules": {
+        "testing-library/prefer-explicit-assert": "error"
+      }
     },
     {
       "files": ["*.html"],

apps/example-app/tsconfig.spec.json

@@ -3,7 +3,7 @@
   "compilerOptions": {
     "outDir": "../../dist/out-tsc",
     "module": "commonjs",
-    "types": ["jest", "node"]
+    "types": ["jest", "node", "@testing-library/jest-dom"]
   },
   "files": ["src/test-setup.ts"],
   "include": ["**/*.spec.ts", "**/*.d.ts"]

package.json

@@ -61,7 +61,7 @@
     "@nrwl/node": "12.0.3",
     "@nrwl/nx-plugin": "12.0.3",
     "@nrwl/workspace": "12.0.3",
-    "@testing-library/jest-dom": "^5.11.0",
+    "@testing-library/jest-dom": "^5.11.10",
     "@types/jest": "~26.0.3",
     "@types/node": "14.14.37",
     "@typescript-eslint/eslint-plugin": "4.22.0",
@@ -70,6 +70,8 @@
     "eslint": "7.24.0",
     "eslint-config-prettier": "8.2.0",
     "eslint-plugin-import": "latest",
+    "eslint-plugin-jest-dom": "3.8.0",
+    "eslint-plugin-testing-library": "^4.0.1",
     "husky": "^4.2.5",
     "jest": "^26.1.0",
     "jest-preset-angular": "8.4.0",

projects/jest-utils/tsconfig.spec.json

@@ -2,7 +2,7 @@
   "extends": "../../tsconfig.json",
   "compilerOptions": {
     "module": "commonjs",
-    "types": ["node", "jest"]
+    "types": ["node", "jest", "@testing-library/jest-dom"]
   },
   "files": ["test-setup.ts"],
   "include": ["**/*.spec.ts", "**/*.d.ts"]

projects/testing-library/tsconfig.spec.json

@@ -2,7 +2,7 @@
   "extends": "../../tsconfig.json",
   "compilerOptions": {
     "module": "commonjs",
-    "types": ["node", "jest"]
+    "types": ["node", "jest", "@testing-library/jest-dom"]
   },
   "files": ["test-setup.ts"],
   "include": ["**/*.spec.ts", "**/*.d.ts"]