skip @typescript-eslint/parser tests on older eslint versions

Author: Andrew Schmadel

package.json

@@ -68,6 +68,7 @@
     "nyc": "^11.9.0",
     "redux": "^3.7.2",
     "rimraf": "^2.6.3",
+    "semver": "^6.0.0",
     "sinon": "^2.4.1",
     "typescript": "^3.2.2",
     "typescript-eslint-parser": "^22.0.0"

tests/src/core/getExports.js

@@ -1,4 +1,6 @@
 import { expect } from  'chai'
+import semver from 'semver'
+import { linter } from 'eslint'
 import ExportMap from '../../../src/ExportMap'
 
 import * as fs from 'fs'
@@ -315,9 +317,12 @@ describe('ExportMap', function () {
     const configs = [
       // ['string form', { 'typescript-eslint-parser': '.ts' }],
       ['array form', { 'typescript-eslint-parser': ['.ts', '.tsx'] }],
-      ['array form', { '@typescript-eslint/parser': ['.ts', '.tsx'] }],
     ]
 
+    if (semver.satisfies(linter.version, '>5.0.0')) {
+      configs.push(['array form', { '@typescript-eslint/parser': ['.ts', '.tsx'] }])
+    }
+
     configs.forEach(([description, parserConfig]) => {
 
       describe(description, function () {

tests/src/rules/named.js

@@ -1,5 +1,6 @@
 import { test, SYNTAX_CASES } from '../utils'
-import { RuleTester } from 'eslint'
+import { RuleTester, linter } from 'eslint'
+import semver from 'semver'
 
 import { CASE_SENSITIVE_FS } from 'eslint-module-utils/resolve'
 
@@ -256,7 +257,11 @@ ruleTester.run('named (export *)', rule, {
 
 context('Typescript', function () {
   // Typescript
-  const parsers = ['@typescript-eslint/parser', 'typescript-eslint-parser']
+  const parsers = ['typescript-eslint-parser']
+
+  if (semver.satisfies(linter.version, '>5.0.0')) {
+    parsers.push('@typescript-eslint/parser')
+  }
 
   parsers.forEach((parser) => {
     ruleTester.run('named', rule, {

tests/src/rules/order.js

@@ -1,4 +1,4 @@
-import { test } from '../utils'
+import { test, testVersion } from '../utils'
 
 import { RuleTester } from 'eslint'
 
@@ -1277,7 +1277,7 @@ ruleTester.run('order', rule, {
       }],
     }),
     // fix incorrect order with @typescript-eslint/parser
-    test({
+    testVersion('>5.0.0', {
       code: `
         var async = require('async');
         var fs = require('fs');
@@ -1292,5 +1292,5 @@ ruleTester.run('order', rule, {
         message: '`fs` import should occur before import of `async`',
       }],
     }),
-  ],
+  ].filter((t) => !!t),
 })

tests/src/utils.js

@@ -1,4 +1,6 @@
 import path from 'path'
+import { linter } from 'eslint'
+import semver from 'semver'
 
 // warms up the module cache. this import takes a while (>500ms)
 import 'babel-eslint'
@@ -9,6 +11,10 @@ export function testFilePath(relativePath) {
 
 export const FILENAME = testFilePath('foo.js')
 
+export function testVersion(specifier, t) {
+  return semver.satisfies(linter.version) && test(t)
+}
+
 export function test(t) {
   return Object.assign({
     filename: FILENAME,