A library for writing dart unit tests.
Dart includes a unit test library that is easy to use, adaptable, and supports both synchronous and asynchronous tests.
Questions tagged [dart-unittest]
53 questions
43
votes
4 answers
How to test a private function, in Dart?
Say I defined a private function in a dart file hello.dart:
_hello() {
return "world";
}
I want to test it in another file mytest.dart:
library mytest;
import 'dart:unittest/unittest.dart';
main() {
test('test private functions', () {
…
Freewind
- 193,756
- 157
- 432
- 708
35
votes
1 answer
Dart - How run a function after or before each test?
I'm using the Dart test package: https://pub.dartlang.org/packages/test
Often, I want to run some function before or after each tests in my test file. Does the test package provide something for this?
Kasper
- 12,594
- 12
- 41
- 63
20
votes
7 answers
How to test an exception from a future
Continuing from yesterday question, how would I test that a async method throws an exception.
main(){
test( "test2", () async {
expect( await throws(), throwsException);
});
}
Future throws () async {
throw new…
richard
- 2,887
- 5
- 26
- 36
15
votes
2 answers
How to wait for an asynchronous setup in a unit test, in Dart?
My unit tests require a setup that needs to run asynchronously. That is, I need to wait for the setup to finish before the tests are run, but the setup deals with Futures.
Seth Ladd
- 112,095
- 66
- 196
- 279
12
votes
3 answers
How can make a matcher for a string containing a substring, while ignoring case
I'm writing a unit test using mockito to mock a dependency and check we're calling it with the right argument. We should be passing in a string, so I'm trying to match on that function argument, but without asserting on the whole string, in case we…
Jezzamon
- 1,453
- 1
- 15
- 27
12
votes
4 answers
Dart - how to mock a method that returns a future
I have a class that defines a method that returns a Future. The Future contains a list of class that also return a future.
class User{
Future> albums(){
};
}
class Album{
Future> photos(){
…
richard
- 2,887
- 5
- 26
- 36
9
votes
2 answers
How to set the timeout of test in dart's unittest?
Is it possible to set the max time that a test can run? Just like:
@Test(timeout=1000)
public void testSomething() {}
in jUnit?
Freewind
- 193,756
- 157
- 432
- 708
8
votes
2 answers
Is there a way to get a test coverage report for unit testing in Dart Language?
Is there a way to get any type of a test or code coverage report (text or graphical) of the unit testing of your Dart code?
corgrath
- 11,673
- 15
- 68
- 99
7
votes
2 answers
Writing a unit test for asynchronous code in Dart Test
After reading the Unit Testing with Dart somehow I'm still can not understand how to use it with Futures.
For example:
void main() {
group('database group', () {
setUp(() {
// Setup
});
tearDown(() {
// TearDown
});
…
Alex F
- 3,180
- 2
- 28
- 40
6
votes
1 answer
Dart Event Queue: How to debug event queue?
I'm writing some integration tests which utilize an HttpServer, a bunch of Directory().watch()'ers and possibly some other future/stream listening code.
I'm using the following test configuration:
class LaserServerTestConfiguration extends…
Lex Berezhny
- 512
- 3
- 15
6
votes
4 answers
Mocking HTTP response with Dart
I have been working on a new API wrapper and don't want to be calling the API every time my unit tests run. So as described here, I'm mocking it.
I initially thought there was something wrong with the way I'm mocking it, but it seems the problem is…
Marcos Placona
- 21,468
- 11
- 68
- 93
5
votes
1 answer
How to mock server response - client on server side
I'm trying dart and I'm writing a client on the server side :
new HttpClient().post(InternetAddress.LOOPBACK_IP_V4.host, 7474, '/path').then((HttpClientRequest request) {
request.headers.contentType =…
matth3o
- 3,229
- 3
- 20
- 24
5
votes
2 answers
Dart How to mock a procedure
How do I go about mocking a procedure (as apposed to a function see here)
For example, given the following typedef and procedure,
typedef int Adder(int a, int b);
int useAdder(Adder adder) {
return adder(1, 2);
}
How could you write a mock…
richard
- 2,887
- 5
- 26
- 36
5
votes
1 answer
Read a data file for unit test in Dart
I'm using this snippet to read a data file in a unit test:
var file = new File('/Users/chambery/projects/Foo/src/resources/skills.yaml');
Future finishedReading = file.readAsString();
finishedReading.then((text) {
print(text);
…
Todd Chambery
- 3,195
- 4
- 19
- 27
4
votes
1 answer
Failed to load dartium when running test
I'm running dart test using test library.
pub run test -p dartium
When this command is executed I'm getting below error, I have dartium and dart sdk downloaded and in system path.
Failed to start Dartium: No such file or directory
Command:…
ashokd
- 393
- 2
- 11