I have Jest installed on my machine and typing jest from terminal results in tests from parent folers also getting executed. I want to run tests only from the current folder.
For e.g. if I go to c:/dev/app in terminal and type some-jest-command, it should only run files with .test.js present in the app folder. Currently, running jest command from app folder runs tests in parent folders too, which is not my desired behaviour.
By default, Jest will try to recursively test everything from whatever folder package.json is located.
Let's say you're in c:/dev/app, and your package.json is in c:. If your basic command to invoke Jest is npm test, then try with run npm test dev/app.
If you want to run the tests from a specific folder user the --testPathPattern jest flag. When setting up the npm script add the path to the folder as well. In your package.json add the flag in you npm scripts. Check the bellow code for an example.
"scripts": {
....
"test:unit": "jest --testPathPattern=src/js/tests/unit-tests",
"test:integration": "jest --testPathPattern=src/js/tests/integration"
....
},
If you want to watch as well for changes, use the watch flag:
{
...
"test:unit": "jest --watch --testPathPattern=src/js/tests/unit-tests",
...
}
After that open, the command line, change the directory where your project is and run the unit test.
npm run test:unit
or integration tests.
npm run test:integration
To only run testing in a specific directory and to coerce Jest to read only certain type of files(my example: 'ExampleComponent.test.js' with new Jest version #24.9.0 you must write exact "testMatch" in jest.config.json || package.json in "jest" part next "testMatch": [ "<rootDir>/src/__tests__/**/*.test.js" ],
This testMatch in my case hits all files with the prefix .test.js in tests/subdirectories/ and skips all other files like 'setupTest.js' and other .js files in 'mocks' subdirectory which is placed inside of 'tests' directory,so,my 'jest.config.json' looks like this
{
"setupFiles": [
"raf/polyfill",
"<rootDir>/setupTests.js"
],
"snapshotSerializers": [
"enzyme-to-json/serializer"
],
"moduleNameMapper": {
"^.+\\.(css|less|scss|sass)$": "identity-obj-proxy"
},
"testMatch": [
"<rootDir>/src/__tests__/**/*.test.js"
]
}
Just adapt to your needs 'testMatch' regex.
A little note: This is for jest#24.9.0 && enzyme#3.10.0 if it matters to anyone.
I hope it will be useful to someone, cheers all.
--package.json
"scripts": {
"test": "jest"
}
--jest.config.js
module.exports = {
"testMatch": [
"<rootDir>/tests/unit/*.test.js"
]
}
From the root of your project, you can run jest <substring of files> and it will only run the test files which have the substring you added.
$ jest /libs/components
> [PASS] /libs/components/button.tsx
yarn:
yarn test nameoffolder
npm:
npm test nameoffolder
For example, if you have a folder named widget and you only want to run the tests in the widget folder you would run this command.
yarn:
yarn test widget
npm:
npm test widget
Related
In a commercial project, tests have been running fine for some time. We cut a release in Angular 8. On master, we upgrade to Angular 9. Now the release needs a hotfix, so I check the branch out and run tests. This is all in the same repo / file system directory.
It fails like Angular core has no exported member ɵɵFactoryDef and I quickly determine that the error is due to CLI version incompatibility.
So I uninstall ng CLI globally and reinstall npm i -g #angular/cli#8.2.0, in line with the release branch package.json. Now the above error is gone, but when I try to ng test the CLI insists that karma.conf doesn't exist. The only issue is that, like, it totally does exist.
Other things I have tried:
rm -rf and npm i from scratch
npm cache verify
close and re-open terminals
restart computer
create a new karma.conf with a different name and point angular.json to that
ng cli does respect angular.json in that the below error will change depending on my karma file name and path, but it still continues to insist, on MacOS, that the below file doesn't exist:
On Mac, I still get:
ERROR [config]: File /Users/<various paths that totally exist>/src/karma.<tried different things here>.js does not exist!
Any ideas? Thanks!!
--- Edit: adding some technical info below per request.
test block from angular.json:
"test": {
"builder": "#angular-devkit/build-angular:karma",
"options": {
"main": "src/test.ts",
"polyfills": "src/polyfills.ts",
"tsConfig": "src/tsconfig.spec.json",
"codeCoverage": true,
"karmaConfig": "src/karma.conf.js",
"scripts": ["node_modules/jquery/dist/jquery.js", "node_modules/jquery-mockjax/dist/jquery.mockjax.js"],
"assets": [
"src/favicon.ico",
{
"glob": "**/*.html",
"input": "./src/legacy",
"output": "./"
}
]
}
}
Partial client folder structure. Notice that storybook/ and test/ are siblings of src/, and angular.json is one level above `src/. I have already tried some karma path mutations including:
"karmaConfig": "./src/karma.conf.js",
"karmaConfig": "../../<correct folders>src/karma.conf.js",
"karmaConfig": "src/karma.<change this>.js",
You might have gone through this check already but have you tried updating your package.json to have the path of karma.conf like so...?
"scripts": {
"test": "karma start ./path_to_karma.conf.js"
}
This ended up solving it for me, after steps mentioned in the question:
Delete the entire repo
Re-clone (actually, I did a shallow clone git clone <repo-url>.git --branch <ng8-branch> --depth 5
Install again npm i
Now ng test works as expected.
I am trying to have some integration tests on my project using npm test and my directory is like this:
Main_directory==>tests==>integration==>auth.test.js and bar.test.js
On my package.json, I've got this:
"scripts": {
"test": "jest --watchAll --verbose"
},
when I execute the code npm test , I run into this mind-boggling error on terminal:
No tests found
In G:\main_directory
35 files checked.
testMatch: **/__tests__/**/*.js?(x),**/?(*.)(spec|test).js?(x) - 5 matches
testPathIgnorePatterns: \\node_modules\\ - 35 matches
Pattern: - 0 matches
Do you have any idea on how to bring everything back to normal and run some smooth integration tests?
You are matching for the folder __tests__ but you said that your tests are in the test folder. So either change the folder name where the tests are to __test__ or change the name in your jest config.
Details:
I have a directory structure like this.
myapp
root-one
-web
-app
-tests
root-two
-grunt
node_modules
.bin
intern-runner
selenium-standalone
intern
selenium-standalone
grunt-shell
Gruntfile.js
From my grunt file I am using shell npm to launch the selenium standalone server like so..
shell: {
intern : {
options: { stdout: true},
command: [
"cd node_modules/.bin",
"start selenium-standalone start",
"intern-runner config=tests/intern basePath=../../../../root-one/web"
].join('&&')
}
}
}
grunt.registerTask('intern', ['shell:intern']);
After running my grunt command grunt intern, selenium starts but I get the following error from intern-runner.
Error: Failed to load module tests/intern
from C:/myapp/root-two/grunt/node_modules/.bin/tests/intern.js
Now because I set the path (or so I thought) using basePath=../../../../root-one/web. I would have expected it to try to execute from C:/myapp/root-one/web/tests/intern.js instead of remaining in the .bin directory.
Question:
So really the question is. What is the proper way to set the basePath for intern-runner on the command line? Because this doesn't seem to work. And according to the docs...
You can also specify any valid configuration option as an argument on
the command-line.
Which leads me to believe I probably just have the syntax wrong.
Sounds like this doesn't quite work the way I was expecting it to. As discussed here: https://github.com/theintern/intern/issues/449
So for now the work around was to just install intern globally vs trying to run it locally out of my project. So instead I did..
npm install intern -g
With my project structure like so...
myapp
root-one
-web
-app
-tests
root-two
-grunt
node_modules
.bin
selenium-standalone
selenium-standalone
grunt-shell
Gruntfile.js
Basically just removed intern because it is installed globally now. Which is located at the following on windows..
C:\Users\user\AppData\Roaming\npm\node_modules\intern
And my Gruntfile has been changed too the following. After starting selenium I change directory back to the appropriate location to run the intern-runner command.
shell: {
intern : {
options: { stdout: true},
command: [
"cd node_modules/.bin",
"start selenium-standalone start",
"cd ../../../../root-one/web",
"intern-runner config=tests/intern
].join('&&')
}
}
}
grunt.registerTask('intern', ['shell:intern']);
I'm writing some mocha tests that load code that have paths like this:
import MyStore from "stores/MyStore"
This works fine in the web browser because we are using the webpack-dev-server which in turn reads this entry from webpack.config.js: config.resolve.root: [path.resolve(__dirname, "./app")] so it knows to find ./app/stores/MyStore.
This path does not work when running it from mocha --compilers js:babel/register. I'm trying to locate a package or configuration that I may use for this. It would save us from having to change may code references and of course keep our imports more portable.
Not sure if it matters, we use iojs. If this really can't be done it would be fine just to update the paths. Thank you...
How about including your app directory in $NODE_PATH:
env NODE_PATH=$NODE_PATH:$PWD/app mocha ...
Here's a cross-platform method. First install cross-env:
npm install cross-env --save-dev
then in your package.json:
"scripts": {
...
"test": "cross-env NODE_PATH=./app mocha ..."
}
In windows, I had to do this:
set NODE_PATH=%CD%/app&& mocha...
for some reason, adding a space after 'app' would cause it not to work
The Context
I have one main project which has multiple node projects inside that as subdirectories. each one with their own node_modules directories and package.json files. I want to have an npm script defined in my main package.json files which runs npm scripts from each of those projects concurrently.
The Code
My directory structure is like this:
main:
...
package.json
- sub-project-1
- ...
package.json
- sub-project-2
...
package.json
Sub-project-1/package.json:
...
"scripts": {
"start": "node run foo.js"
}
Sub-project-2/package.json:
...
"scripts": {
"start": "node run bar.js"
}
Main package.json:
...
"scripts": {
"start": "/* Here I want to do something like npm sub-project-1/ start && npm sub-project-2/ start */
}
Now, obviously I could copy and paste the commands in sub-project-1/package.json's start script and sub-project-2/package.json's start script into a bash script and run that instead. But I want to be able to change those npm start scripts without having to manually change the bash script every time. Is there a way to do this?
The following is not concurrent; however, you can change the npm start scripts with this approach.
I should mention also that it's not the world's most scalable approach. But it's simple, so I thought it might be helpful to share.
Here goes ...
Main package.json:
...
"scripts": {
"start": "cd Sub-project-1 && npm run start && cd ../Sub-project-2 && npm run start && cd ../ && <parent project start script here>"
}
With this script, you're just meandering through the sub projects and then coming back up to run the parent project's script.
1.You can also write a python script that parses all the package.jsons of the subdirectories and then generate the master package.json file
2.or You can also write a python script that parses all the package.jsons of the subdirectories and then generate a shellscript where the mater package.json
will call it in the "start".