/
main.dart
158 lines (138 loc) · 4.26 KB
/
main.dart
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import 'package:charlatan/charlatan.dart';
import 'package:dio/dio.dart';
import 'package:test/test.dart';
import 'package:uri/uri.dart';
void main() {
late Dio client;
late Charlatan charlatan;
setUp(() {
charlatan = Charlatan();
client = Dio()..httpClientAdapter = charlatan.toFakeHttpClientAdapter();
});
test('Create a plain fake response', () async {
charlatan.whenGet(
'/user',
charlatanResponse(statusCode: 200, body: {'name': 'frodo'}),
);
final plain = await client.get<Object?>('/user');
expect(plain.data, {'name': 'frodo'});
});
test('Use a URI template', () async {
final pathWithTemplate = '/users/{id}';
charlatan.whenGet(
pathWithTemplate,
(request) {
final uri = Uri.parse(request.path);
final template = UriTemplate(pathWithTemplate);
final parser = UriParser(template);
final pathParameters = parser.parse(uri);
return CharlatanHttpResponse(
statusCode: 200,
body: {
'id': pathParameters['id'],
'name': 'frodo',
},
);
},
);
final withPathParams = await client.get<Object?>('/users/12');
expect(withPathParams.data, {'id': '12', 'name': 'frodo'});
});
test('Use a custom status code and an empty body', () async {
charlatan.whenGet(
'/posts',
charlatanResponse(statusCode: 204),
);
final emptyBody = await client.get<Object?>('/posts');
expect(emptyBody.data, null);
expect(emptyBody.statusCode, 204);
});
test('Use a custom request matcher', () async {
charlatan.whenMatch(
(request) => request.method == 'GET' && request.path == '/posts',
charlatanResponse(statusCode: 204),
);
final emptyBody = await client.get<Object?>('/posts');
expect(emptyBody.data, null);
expect(emptyBody.statusCode, 204);
});
test('Use a custom request matcher with helpers', () async {
charlatan.whenMatch(
requestMatchesAll([
requestMatchesHttpMethod('GET'),
requestMatchesPathOrTemplate('/posts'),
]),
charlatanResponse(statusCode: 204),
);
final emptyBody = await client.get<Object?>('/posts');
expect(emptyBody.data, null);
expect(emptyBody.statusCode, 204);
});
test('Return a complicated response based on conditions', () async {
charlatan.whenPost('/users', (req) {
final data = req.body as Map<String, Object?>? ?? {};
final name = data['name'] as String?;
if (name == null) {
return CharlatanHttpResponse(
statusCode: 422,
body: {
'errors': {
'name': ['cannot be blank'],
},
},
);
}
return CharlatanHttpResponse(
statusCode: 201,
body: {'id': 1, 'name': name},
);
});
final invalidResponse = await client.post<Object?>(
'/users',
data: {'name': null},
// don't throw on non 2xx/3xx responses so that we can do assertions
options: Options(validateStatus: (_) => true),
);
expect(invalidResponse.data, {
'errors': {
'name': ['cannot be blank']
}
});
expect(invalidResponse.statusCode, 422);
final validResponse = await client.post<Object?>(
'/users',
data: {'name': 'frodo'},
);
expect(validResponse.data, {'id': 1, 'name': 'frodo'});
expect(validResponse.statusCode, 201);
});
test('Handle a POST and then a GET with shared state', () async {
final posts = <Object>[];
charlatan
..whenPost(
'/posts',
(request) {
final params = request.body as Map<String, Object?>? ?? {};
posts.add({'name': params['name']});
return CharlatanHttpResponse(statusCode: 204);
},
)
..whenGet(
'/posts',
charlatanResponse(body: {'posts': posts}),
);
final beforeCreatePost = await client.get<Object?>('/posts');
expect(beforeCreatePost.data, {'posts': <Object?>[]});
final createPost = await client.post<Object?>(
'/posts',
data: {'name': 'bilbo'},
);
expect(createPost.statusCode, 204);
final afterCreatePost = await client.get<Object?>('/posts');
expect(afterCreatePost.data, {
'posts': [
{'name': 'bilbo'},
]
});
});
}