cy.task('coverageReport')` failed with the following error: Expected "exclude" to by an array

[qkreltms]

Logs and screenshots

Warning: Multiple attempts to register the following task(s): resetCoverage, combineCoverage, coverageReport. Only the last attempt will be registered.


────────────────────────────────────────────────────────────────────────────────────────────────────

  Running:  helloWorld.spec.js                                                              (1 of 1)


  HelloWorld component
    √ works (101ms)
  code-coverage parsed sent coverage +0ms
  code-coverage wrote coverage file C:\Users\user\Desktop\code\unit-test-3\.nyc_output\out.json +6ms

  code-coverage parsed sent coverage +26ms
  code-coverage wrote coverage file C:\Users\user\Desktop\code\unit-test-3\.nyc_output\out.json +8ms
  code-coverage NYC file C:\Users\user\Desktop\code\unit-test-3\.nyc_output\out.json has 1 key(s) +0ms
  code-coverage 1 key C:\Users\user\Desktop\code\unit-test-3\src\helloWorld.spec.js file path C:\Users\user\Desktop\code\unit-test-3\src\helloWorld.spec.js +0ms
  code-coverage in file C:\Users\user\Desktop\code\unit-test-3\.nyc_output\out.json all files are not found? false +0ms
  code-coverage NYC file C:\Users\user\Desktop\code\unit-test-3\.nyc_output\out.json has 1 key(s) +2ms
  code-coverage combined NYC options { 'report-dir': './coverage', reporter: [ 'lcov', 'clover', 'json', 'json-summary' ], extension: [ '.js', '.cjs', '.mjs', '.ts', '.tsx', '.jsx' ], excludeAfterRemap: false, exclude: 'src/serviceWorker.js' } +1ms
NYC options: {
  'report-dir': './coverage',
  reporter: [ 'lcov', 'clover', 'json', 'json-summary', [length]: 4 ],
  extension: [ '.js', '.cjs', '.mjs', '.ts', '.tsx', '.jsx', [length]: 6 ],
  excludeAfterRemap: false,
  exclude: 'src/serviceWorker.js'
}
  1) "after all" hook: generateReport for "works"

  1 passing (584ms)
  1 failing

  1) HelloWorld component
       "after all" hook: generateReport for "works":
     CypressError: `cy.task('coverageReport')` failed with the following error:

> Expected "exclude" to by an array

Because this error occurred during a `after all` hook we are skipping all of the remaining tests.
      at http://localhost:63477/__cypress/runner/cypress_runner.js:147082:19
      at tryCatcher (http://localhost:63477/__cypress/runner/cypress_runner.js:10384:23)
      at Promise._settlePromiseFromHandler (http://localhost:63477/__cypress/runner/cypress_runner.js:8319:31)
      at Promise._settlePromise (http://localhost:63477/__cypress/runner/cypress_runner.js:8376:18)
      at Promise._settlePromise0 (http://localhost:63477/__cypress/runner/cypress_runner.js:8421:10)
      at Promise._settlePromises (http://localhost:63477/__cypress/runner/cypress_runner.js:8497:18)
      at _drainQueueStep (http://localhost:63477/__cypress/runner/cypress_runner.js:5091:12)
      at _drainQueue (http://localhost:63477/__cypress/runner/cypress_runner.js:5084:9)
      at Async.../../node_modules/bluebird/js/release/async.js.Async._drainQueues (http://localhost:63477/__cypress/runner/cypress_runner.js:5100:5)
      at Async.drainQueues (http://localhost:63477/__cypress/runner/cypress_runner.js:4970:14)
  From Your Spec Code:
      at Context.generateReport (http://localhost:63477/__cypress/tests?p=cypress\support\index.js:433:8)

  From Node.js Internals:
    Error: Expected "exclude" to by an array
        at coverageReport (C:\Users\user\Desktop\code\unit-test-3\node_modules\@cypress\code-coverage\task.js:173:13)
        at invoke (C:\Users\user\AppData\Local\Cypress\Cache\4.7.0\Cypress\resources\app\packages\server\lib\plugins\child\task.js:41:14)
        at C:\Users\user\AppData\Local\Cypress\Cache\4.7.0\Cypress\resources\app\packages\server\lib\plugins\util.js:48:16
        at tryCatcher (C:\Users\user\AppData\Local\Cypress\Cache\4.7.0\Cypress\resources\app\packages\server\node_modules\bluebird\js\release\util.js:16:23)
        at Function.Promise.attempt.Promise.try (C:\Users\user\AppData\Local\Cypress\Cache\4.7.0\Cypress\resources\app\packages\server\node_modules\bluebird\js\release\method.js:39:29)
        at Object.wrapChildPromise (C:\Users\user\AppData\Local\Cypress\Cache\4.7.0\Cypress\resources\app\packages\server\lib\plugins\util.js:47:28)
        at Object.wrap (C:\Users\user\AppData\Local\Cypress\Cache\4.7.0\Cypress\resources\app\packages\server\lib\plugins\child\task.js:47:8)
        at execute (C:\Users\user\AppData\Local\Cypress\Cache\4.7.0\Cypress\resources\app\packages\server\lib\plugins\child\run_plugins.js:142:12)
        at EventEmitter.<anonymous> (C:\Users\user\AppData\Local\Cypress\Cache\4.7.0\Cypress\resources\app\packages\server\lib\plugins\child\run_plugins.js:235:5)
        at EventEmitter.emit (events.js:210:5)
        at process.<anonymous> (C:\Users\user\AppData\Local\Cypress\Cache\4.7.0\Cypress\resources\app\packages\server\lib\plugins\util.js:25:29)
        at process.emit (events.js:210:5)
        at process.emit (C:\Users\user\AppData\Local\Cypress\Cache\4.7.0\Cypress\resources\app\packages\server\node_modules\source-map-support\source-map-support.js:495:21)
        at emit (internal/child_process.js:876:12)
        at processTicksAndRejections (internal/process/task_queues.js:81:21)

Versions

• What is this plugin's version? "@cypress/code-coverage": "^3.7.6",
• What is Cypress version? "cypress": "^4.7.0",
• What is your operating system? window 10 Pro 64bit
• What is the shell? bash
• What is the Node version? v10.16.0
• What is the NPM version? npm: 6.9.0, yarn: 1.22.4
• How do you instrument your application? "@cypress/instrument-cra": "^1.1.1"
• When running tests, if you open the web application in regular browser, and open DevTools, do you see window.__coverage__ object? Can you paste a screenshot?

{C:\Users\user\Desktop\code\unit-test-3\src\App.tsx: {…}, C:\Users\user\Desktop\code\unit-test-3\src\index.tsx: {…}}
C:\Users\user\Desktop\code\unit-test-3\src\App.tsx:
b: {}
branchMap: {}
f: {0: 1}
fnMap:
0: {name: "App", decl: {…}, loc: {…}, line: 5}
__proto__: Object
hash: "e10cab4a9b8d8a4feca501b94e14cffbcf38e6bc"
path: "C:\Users\user\Desktop\code\unit-test-3\src\App.tsx"
s: {0: 1}
statementMap: {0: {…}}
_coverageSchema: "43e27e138ebf9cfc5966b082cf9a028302ed4184"
__proto__: Object
C:\Users\user\Desktop\code\unit-test-3\src\index.tsx:
b: {}
branchMap: {}
f: {}
fnMap: {}
hash: "288c160e67cc5ba6a3d1acff539a694e465041a0"
path: "C:\Users\user\Desktop\code\unit-test-3\src\index.tsx"
s: {0: 1}
statementMap: {0: {…}}
_coverageSchema: "43e27e138ebf9cfc5966b082cf9a028302ed4184"
__proto__: Object
__proto__: Object

• Is there .nyc_output folder? Is there .nyc_output/out.json file. Is it empty? Can you paste at least part of it so we can see the keys and file paths?

{
  "C:\\Users\\user\\Desktop\\code\\unit-test-3\\src\\helloWorld.spec.js": {
    "path": "C:\\Users\\user\\Desktop\\code\\unit-test-3\\src\\helloWorld.spec.js",
    "statementMap": {
      "0": {
        "start": {
          "line": 4,
          "column": 19
        },
        "end": {
          "line": 6,
          "column": 1
        }
      },
      "1": {
        "start": {
          "line": 5,
          "column": 2
        },
        "end": {
          "line": 5,
          "column": 29
        }
      },
      "2": {
        "start": {
          "line": 8,
          "column": 0
        },
        "end": {
          "line": 14,
          "column": 3
        }
      },
      "3": {
        "start": {
          "line": 9,
          "column": 2
        },
        "end": {
          "line": 13,
          "column": 5
        }
      },
      "4": {
        "start": {
          "line": 10,
          "column": 4
        },
        "end": {
          "line": 10,
          "column": 26
        }
      },
      "5": {
        "start": {
          "line": 12,
          "column": 4
        },
        "end": {
          "line": 12,
          "column": 57
        }
      }
    },
    "fnMap": {
      "0": {
        "name": "(anonymous_0)",
        "decl": {
          "start": {
            "line": 4,
            "column": 19
          },
          "end": {
            "line": 4,
            "column": 20
          }
        },
        "loc": {
          "start": {
            "line": 4,
            "column": 30
          },
          "end": {
            "line": 6,
            "column": 1
          }
        },
        "line": 4
      },
      "1": {
        "name": "(anonymous_1)",
        "decl": {
          "start": {
            "line": 8,
            "column": 33
          },
          "end": {
            "line": 8,
            "column": 34
          }
        },
        "loc": {
          "start": {
            "line": 8,
            "column": 39
          },
          "end": {
            "line": 14,
            "column": 1
          }
        },
        "line": 8
      },
      "2": {
        "name": "(anonymous_2)",
        "decl": {
          "start": {
            "line": 9,
            "column": 14
          },
          "end": {
            "line": 9,
            "column": 15
          }
        },
        "loc": {
          "start": {
            "line": 9,
            "column": 20
          },
          "end": {
            "line": 13,
            "column": 3
          }
        },
        "line": 9
      }
    },
    "branchMap": {},
    "s": {
      "0": 10,
      "1": 10,
      "2": 10,
      "3": 10,
      "4": 10,
      "5": 10,
      "6": 5
    },
    "f": {
      "0": 10,
      "1": 10,
      "2": 10,
      "3": 5
    },
    "b": {
      "0": [
        0,
        8
      ]
    },
    "_coverageSchema": "43e27e138ebf9cfc5966b082cf9a028302ed4184",
    "hash": "096ff8945ca6aa9e2370d7bf2712b022a7248fca"
  }
}

• Do you have any custom NYC settings in package.json (nyc object) or in other NYC config files

  "nyc": {
    "exclude": "src/serviceWorker.js"
  }

• Do you run Cypress tests in a Docker container? No

Describe the bug
When I type yarn npx cypress run --spec "src/helloWorld.spec.js" an error occurs like above.

Link to the repo
https://github.com/qkreltms/cypress-react-typescript-example

[bahmutov]

🎉 This issue has been resolved in version 3.7.7 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀