Add tests

Author: armano2

tests/lib/rules/no-async-in-computed-properties.js

@@ -0,0 +1,195 @@
+/**
+ * @fileoverview Check if there are no side effects inside computed properties
+ * @author 2017 Armano
+ */
+'use strict'
+
+// ------------------------------------------------------------------------------
+// Requirements
+// ------------------------------------------------------------------------------
+
+const RuleTester = require('eslint').RuleTester
+const rule = require('../../../lib/rules/no-async-in-computed-properties')
+
+// ------------------------------------------------------------------------------
+// Tests
+// ------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester()
+
+ruleTester.run('no-async-in-computed-properties', rule, {
+
+  valid: [
+    {
+      filename: 'test.vue',
+      code: `
+        export default {
+          computed: {
+            foo: function () {
+              var bar = 0
+              try {
+                bar = bar / 0
+              } catch (e) {
+                return e
+              } finally {
+                return bar
+              }
+            }
+          }
+        }
+      `,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' }
+    }
+  ],
+
+  invalid: [
+    {
+      filename: 'test.vue',
+      code: `
+        export default {
+          computed: {
+            foo: async function () {
+              return await someFunc()
+            }
+          }
+        }
+      `,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
+      errors: [
+        'Unexpected await in "foo" computed property.',
+        'Unexpected async in "foo" computed property.'
+      ]
+    },
+    {
+      filename: 'test.vue',
+      code: `
+        export default {
+          computed: {
+            foo: async function () {
+              return new Promise((resolve, reject) => {}) }
+            }
+          }
+        }
+      `,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
+      errors: [
+        'Unexpected asynchronous action in "foo" computed property.',
+        'Unexpected async in "foo" computed property.'
+      ]
+    },
+    {
+      filename: 'test.vue',
+      code: `
+        export default {
+          computed: {
+            foo: function () {
+              return bar.then(response => {})
+            }
+          }
+        }
+      `,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
+      errors: ['Unexpected asynchronous action in "foo" computed property.']
+    },
+    {
+      filename: 'test.vue',
+      code: `
+        export default {
+          computed: {
+            foo: function () {
+              return bar.catch(e => {})
+            }
+          }
+        }
+      `,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
+      errors: ['Unexpected asynchronous action in "foo" computed property.']
+    },
+    {
+      filename: 'test.vue',
+      code: `
+        export default {
+          computed: {
+            foo: function () {
+              return Promise.all([])
+            }
+          }
+        }
+      `,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
+      errors: ['Unexpected asynchronous action in "foo" computed property.']
+    },
+    {
+      filename: 'test.vue',
+      code: `
+        export default {
+          computed: {
+            foo: function () {
+              return bar.finally(res => {})
+            }
+          }
+        }
+      `,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
+      errors: ['Unexpected asynchronous action in "foo" computed property.']
+    },
+    {
+      filename: 'test.vue',
+      code: `
+      export default {
+        computed: {
+          foo: function () {
+            return Promise.race([])
+          }
+        }
+      }
+      `,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
+      errors: ['Unexpected asynchronous action in "foo" computed property.']
+    },
+    {
+      filename: 'test.vue',
+      code: `
+      export default {
+        computed: {
+          foo: function () {
+            return Promise.reject([])
+          }
+        }
+      }
+      `,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
+      errors: ['Unexpected asynchronous action in "foo" computed property.']
+    },
+    {
+      filename: 'test.vue',
+      code: `
+      export default {
+        computed: {
+          foo: function () {
+            return Promise.resolve([])
+          }
+        }
+      }
+      `,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
+      errors: ['Unexpected asynchronous action in "foo" computed property.']
+    },
+    {
+      filename: 'test.vue',
+      code: `
+      export default {
+        computed: {
+          foo: {
+            get () {
+              return Promise.resolve([])
+            }
+          }
+        }
+      }
+      `,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
+      errors: ['Unexpected asynchronous action in "foo" computed property.']
+    }
+  ]
+})