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Trending Discussions on Testing
Trending Discussions on Testing
QUESTION
While I am testing my API I recently started to get the error below.
if request is None:
> builder = EnvironBuilder(*args, **kwargs)
E TypeError: __init__() got an unexpected keyword argument 'as_tuple'
/usr/local/lib/python3.7/site-packages/werkzeug/test.py:1081: TypeError
As I read from the documentation in the newer version of Werkzeug
the as_tuple
parameter is removed.
Part of my test code is
from flask.testing import FlaskClient
@pytest.fixture(name='test_client')
def _test_client() -> FlaskClient:
app = create_app()
return app.test_client()
class TestPeerscoutAPI:
def test_should_have_access_for_status_page(self, test_client: FlaskClient):
response = test_client.get('/api/status')
assert _get_ok_json(response) == {"status": "OK"}
Any help would be greatly appreciated.
ANSWER
Answered 2022-Mar-29 at 13:29As of version 2.1.0, werkzeug
has removed the as_tuple
argument to Client
. Since Flask wraps werkzeug and you're using a version that still passes this argument, it will fail. See the exact change on the GitHub PR here.
You can take one of two paths to solve this:
Upgrade flask
Pin your werkzeug version
# in requirements.txt
werkzeug==2.0.3
QUESTION
We are building web components using stencil. We compile the stencil components and create respective "React component" and import them into our projects.
While doing so we are able to view the component as expected when we launch the react app. However when we mount the component and execute test cases using cypress we observe that the CSS for these pre built components are not getting loaded.
cypress.json
{
"baseUrl": "http://localhost:3000",
"projectId": "263jf8",
"component": {
"componentFolder": "src",
"testFiles": "**/*spec.{js,jsx,ts,tsx}",
"viewportHight": 1200,
"viewportWidth": 1000
},
"retries": {
"runMode": 2,
"openMode": 0
}
}
sample spec file
import Header from './header';
describe('header', () => {
beforeEach(() => {
mount(
)})
it('renders as an inline button', () => {
cy.get('button')
.should('have.class', 'nexus-btn').and('be.visible')
cy.get('.nexus-hamburger-icon').should('have.text','Close Menu').and('be.visible')
cy.get('.nexus-menu > .nexus-btn').should('have.text','Close Menu')
cy.get('a > .nexus-visually-hidden').contains('Home')
cy.contains('Home').should('exist')
cy.get('a > .nexus-icon > svg').should('be.visible')
})
})
plugin/cypress.index.js
module.exports = (on, config) => {
require('cypress-grep/src/plugin')(config)
if (config.testingType === 'component') {
require('@cypress/react/plugins/react-scripts')(on, config)
}
return config
}
ANSWER
Answered 2022-Feb-16 at 02:33You can try importing the css in the index.ts or index.js file that will be available in the location -> cypress/support/index.ts
QUESTION
I've got a Gradle project which uses a Java version specified with the toolchain API:
val minimumJava = JavaLanguageVersion.of(8)
val maximumJava = JavaLanguageVersion.of(16)
java {
toolchain {
languageVersion.set(minimumJava)
vendor.set(JvmVendorSpec.ADOPTOPENJDK)
}
}
I would like to be able to compile with the minimum supported Java version, then run the tests with all the JDKs the project supports. I tried the following, but apparently only the original tests get executed, all other tests don't, even though the required JDKs get correctly downloaded and set up:
for (javaVersion in JavaLanguageVersion.of(minimumJava.asInt() + 1)..maximumJava) {
val base = tasks.test.get()
val testTask = tasks.register("testUnderJava${javaVersion.asInt()}") {
javaLauncher.set(
javaToolchains.launcherFor {
languageVersion.set(javaVersion)
}
)
classpath = base.classpath
testClassesDirs = base.testClassesDirs
isScanForTestClasses = true
}
tasks.test.configure { finalizedBy(testTask) }
}
Here is a run in a dumb terminal:
❯ TERM=dumb ./gradlew test testUnderJava10 --rerun-tasks --scan
Picked up _JAVA_OPTIONS: -Dawt.useSystemAAFontSettings=on
<<>>
> Task :testClasses
> Task :test
Picked up _JAVA_OPTIONS: -Dawt.useSystemAAFontSettings=on
Gradle Test Executor 4 STANDARD_OUT
~~~ Kotest Configuration ~~~
-> Parallelization factor: 1
-> Concurrent specs: null
-> Global concurrent tests: 1
-> Dispatcher affinity: true
-> Default test timeout: 600000ms
-> Default test order: Sequential
-> Default isolation mode: SingleInstance
-> Global soft assertions: false
-> Write spec failure file: false
-> Fail on ignored tests: false
-> Spec execution order: SpecExecutionOrder
-> Remove test name whitespace: false
-> Append tags to test names: false
-> Extensions
- io.kotest.engine.extensions.SystemPropertyTagExtension
- io.kotest.core.extensions.RuntimeTagExtension
- io.kotest.engine.extensions.RuntimeTagExpressionExtension
org.danilopianini.template.test.Tests > A greeting should get printed STARTED
org.danilopianini.template.test.Tests > A greeting should get printed STANDARD_OUT
[:hello=SUCCESS]
> Task :hello
Hello from Danilo Pianini
BUILD SUCCESSFUL in 2s
1 actionable task: 1 executed
org.danilopianini.template.test.Tests > A greeting should get printed PASSED
<<>>
> Task :testUnderJava9
> Task :testUnderJava8
> Task :testUnderJava16
> Task :testUnderJava15
> Task :testUnderJava14
> Task :testUnderJava13
> Task :testUnderJava12
> Task :testUnderJava11
> Task :testUnderJava10
BUILD SUCCESSFUL in 23s
36 actionable tasks: 36 executed
<<>>
From the build scan, it appears that tests are not executed but those with JDK8. I'm puzzled, the docs say that this should be straightforward:
tasks.register("testsOn14") {
javaLauncher.set(javaToolchains.launcherFor {
languageVersion.set(JavaLanguageVersion.of(14))
})
}
ANSWER
Answered 2022-Mar-16 at 17:22I think I worked out the root cause of the issues I was experiencing, I'm posting the solution in case someone else runs into similar issues. I had the following tests configuration:
tasks.test {
useJUnitPlatform()
testLogging {
showStandardStreams = true
showCauses = true
showStackTraces = true
events(*org.gradle.api.tasks.testing.logging.TestLogEvent.values())
exceptionFormat = org.gradle.api.tasks.testing.logging.TestExceptionFormat.FULL
}
}
Which was instructing the task called test
to useJunitPlatform()
. This setting does not get automatically propagated to all subsequent Test
tasks (of course). So, in this case, the solution is simply to use instead:
tasks.withType {
// Same configuration as above
}
I decided to create a multi-JVM testing plugin for Gradle, so that all the test tasks get created and much less boilerplate is required across projects.
QUESTION
I was fiddling with top-level statements as the entry point for a simple console app, since the new .NET 6 template use them as a default.
Yet, as the language specification very clearly states:
Note that the names "Program" and "Main" are used only for illustrations purposes, actual names used by compiler are implementation dependent and neither the type, nor the method can be referenced by name from source code.
So, if I can't reference the implicit Program
class and it's Main()
method, would it be possible to write unit tests to check the execution flow of the top-level statements themselves? If so, how?
ANSWER
Answered 2022-Feb-10 at 13:00Yes. One option (since .NET 6) is to make the tested project's internals visible to the test project for example by adding next property to csproj:
And then the Program
class generated for top-level statement should be visible to the test project and you can run it next way:
var entryPoint = typeof(Program).Assembly.EntryPoint!;
entryPoint.Invoke(null, new object[] { Array.Empty() });
Something like this is used internally to perform integration tests for ASP.NET Core 6 with minimal hosting model.
Note that generated Main
method can return task if you are using await
's in your top-level statement, so you possibly will need to capture the return of entryPoint.Invoke
and test if it is a Task
and await
it.
Another approach is to explicitly declare Program
class as partial (for example at the end of top-level statement and use it in testing project):
// ...
// your top-level statements
public partial class Program { }
QUESTION
I was watching a conference talk (No need to watch it to understand my question but if you're curious it's from 35m28s to 36m28s). The following test was shown:
TEST(Foo, StorageTest){
StorageServer* server = GetStorageServerHandle();
auto my_val = rand();
server -> Store("testKey", my_val);
EXPECT_EQ(my_val, server->Load("testKey"));
}
One of the speakers said: "you can only expect that storing data to a production service works if only one copy of that test is running at a time."
The other speaker said: "Once you add continuous integration in the mix, the test starts failing". I don't know a lot about CI/CD.
I am having some trouble understanding both claims 1. and 2. Any help?
ANSWER
Answered 2022-Feb-08 at 21:40One of the speakers said: "you can only expect that storing data to a production service works if only one copy of that test is running at a time."
Right. Imagine if two instances of this code are running. If both Store
operations execute before either Load
operation takes place, the one whose Store
executed first will load the wrong value.
Consider this pattern where the two instances are called "first" and "second":
- First
Store
executes, stores first random value. - Second
Store
starts executing, starts storing second random value. - First
Load
is blocked on the secondStore
completing due to a lock internal to the database - Second
Load
is blocked on theStore
completing due to a local internal to the database. - Second
Store
finishes and release the internal lock. - First
Load
can now execute, it gets second random value. EXPECT_EQ
fails as the first and second random values are different.
The other speaker said: "Once you add continuous integration in the mix, the test starts failing".
If a CI system is testing multiple instances of the code at the same time, race conditions like the example above can occur and cause tests to fail as the multiple instances race with each other.
QUESTION
How do I resolve this problem. I am just trying to create a test the ensures that that component renders, but for some reason keep getting this problem even though the component is already inside .
I have read other similar questions on here, and the answers all say to put the component inside the , But that doesn't seem to be the issue for me. Please tell me what it is I'm missing?
** My app.tsx**
import './App.scss';
import { AuthContexProvider } from './Utils/Contexs/AuthContext';
import { Routes, Route } from 'react-router-dom';
import { LogoLarge } from './Components/Logo/Logo';
import { SignInView } from './Views/SignInView';
import { ErrorPage } from './Views/ErrorView';
import { SignUpView } from './Views/SignUpView';
import { SwipeView } from './Views/SwipeView';
import { ResetPasswordView } from './Views/ResetPasswordView';
import { CreateProfileView } from './Views/CreateProfileView';
import { PrivateRoute } from './Utils/PrivateRoute';
import { ProfileView } from './Views/ProfileView';
import { SwipeContexProvider } from './Utils/Contexs/SwipeContex';
import { MatchesView } from './Views/MatchesView';
import { MessageView } from './Views/MessageView';
function App() {
return (
} />
}
/>
}
/>
}
/>
} />
} />
} />
} />
}
/>
);
}
export default App;
SignUpView
import { Typography } from '@mui/material';
import { Link } from 'react-router-dom';
import { SignUpForm } from '../Components/Forms/SignUpForm';
//SASS
// import '../Styles/Scss/SignUpView.scss';
import { StyledFormsWrapper } from '../Styles/StyledComponents/StyledFormsWrapper';
export const SignUpView = () => {
return (
Create account
Already have an account? Sign in
);
};
SignUpView.test.js
import React from 'react';
import { render, fireEvent, waitFor, screen } from '@testing-library/react';
import { SignUpView } from '../../Views/SignUpView';
describe('my function or component', () => {
test('Should render sigUp view component', () => {
render();
});
});
ANSWER
Answered 2022-Jan-21 at 19:13The SignUpView
is missing a routing context in your test. Import a memory router and wrap the component under test so it has a provided routing context.
import React from 'react';
import { render, fireEvent, waitFor, screen } from '@testing-library/react';
import { MemoryRouter as Router } from 'react-router-dom';
import { SignUpView } from '../../Views/SignUpView';
describe('my function or component', () => {
test('Should render sigUp view component', () => {
render(
);
});
});
QUESTION
works on www.github.com
cy.visit() failed trying to load ESOCKETTIMEDOUT
but not on other websites
enter code here
ANSWER
Answered 2021-Aug-29 at 17:25from: https://github.com/cypress-io/cypress/issues/7062
increase timeout
cy.visit('https://github.com/', { timeout: 30000 })
QUESTION
Whenever I add new tests to my codebase I encounter the aforementioned error message while running them.
package:flutter_tools/src/test/flutter_tester_device.dart 224:73 FlutterTesterTestDevice.finished
===== asynchronous gap ===========================
dart:async/future.dart Future.any.onValue
Failed to load "app/test/club/club_section_test.dart": Shell subprocess ended cleanly. Did main() call exit()?
ANSWER
Answered 2021-Nov-10 at 04:20flutter clean && flutter packages get
Well it seems that for some reason flutter is caching some data that becomes stale, you can easily get the test back by running:
flutter clean
Which "Delete the build/ and .dart_tool/ directories" and then:
flutter packages get
To rebuild those directories and download dependencies.
QUESTION
I want to write a simple test for my vue3 app, test should assert that specific function (updateRoute in this case) is declared with async in different components
Note: according to my current project I can't isolate this function in a single file to make it reusable
example:
const updateRoute = () => { doSomethig() }
should fail
while
const updateRoute = async () => { await doSomethig() }
should pass
the testing library doesn't matter, it can be Jest or anything else
ANSWER
Answered 2021-Nov-18 at 07:11Check if the contructor.name
of the function is equal to 'AsyncFunction'
:
const x = async () => {};
const y = () => {}
console.log(x.constructor.name);
console.log(x.constructor.name === 'AsyncFunction');
console.log(y.constructor.name);
console.log(y.constructor.name === 'AsyncFunction');
QUESTION
Would be any difference if I used HTML id
attribute instead of data attributes like data-testid
?
Reference for the use of data-testid
in testing:
ANSWER
Answered 2021-Nov-03 at 10:28On the surface, I don't see any technical difference.
But in terms of readability, data-testid
may notice other developers that this is used for test case specifically, while id
is may be in terms of styling.
Also id
or class
selectors can be changed more often if implementation changes.
Reference:
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