feat(no-focused-tests): check each with table format (#430)

Author: Belco90

docs/rules/no-focused-tests.md

@@ -32,6 +32,12 @@ test['only']('bar', () => {});
 fdescribe('foo', () => {});
 fit('foo', () => {});
 ftest('bar', () => {});
+fit.each`
+  table
+`();
+ftest.each`
+  table
+`();
 ```
 
 These patterns would not be considered warnings:
@@ -43,4 +49,12 @@ describe.skip('bar', () => {});
 it.skip('bar', () => {});
 test('foo', () => {});
 test.skip('bar', () => {});
+it.each()();
+it.each`
+  table
+`();
+test.each()();
+test.each`
+  table
+`();
 ```

src/rules/__tests__/no-focused-tests.test.ts

@@ -1,7 +1,13 @@
 import { TSESLint } from '@typescript-eslint/experimental-utils';
+import resolveFrom from 'resolve-from';
 import rule from '../no-focused-tests';
 
-const ruleTester = new TSESLint.RuleTester();
+const ruleTester = new TSESLint.RuleTester({
+  parser: resolveFrom(require.resolve('eslint'), 'espree'),
+  parserOptions: {
+    ecmaVersion: 6,
+  },
+});
 
 ruleTester.run('no-focused-tests', rule, {
   valid: [
@@ -13,6 +19,10 @@ ruleTester.run('no-focused-tests', rule, {
     'test.skip()',
     'var appliedOnly = describe.only; appliedOnly.apply(describe)',
     'var calledOnly = it.only; calledOnly.call(it)',
+    'it.each()()',
+    'it.each`table`()',
+    'test.each()()',
+    'test.each`table`()',
   ],
 
   invalid: [
@@ -64,5 +74,13 @@ ruleTester.run('no-focused-tests', rule, {
       code: 'fit.each()',
       errors: [{ messageId: 'focusedTest', column: 1, line: 1 }],
     },
+    {
+      code: 'fit.each`table`()',
+      errors: [{ messageId: 'focusedTest', column: 1, line: 1 }],
+    },
+    {
+      code: 'ftest.each`table`()',
+      errors: [{ messageId: 'focusedTest', column: 1, line: 1 }],
+    },
   ],
 });

src/rules/no-focused-tests.ts

@@ -78,6 +78,16 @@ export default createRule({
       ) {
         context.report({ messageId: 'focusedTest', node: callee });
       }
+
+      if (
+        callee.type === AST_NODE_TYPES.TaggedTemplateExpression &&
+        callee.tag.type === AST_NODE_TYPES.MemberExpression &&
+        callee.tag.object &&
+        callee.tag.object.type === AST_NODE_TYPES.Identifier &&
+        isCallToFocusedTestFunction(callee.tag.object)
+      ) {
+        context.report({ messageId: 'focusedTest', node: callee });
+      }
     },
   }),
 });