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api-guidelines/rest-api-guidelines/guides/api-testing-ci-environment.md
2020-02-17 16:21:56 +01:00

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# API Testing CI Environment
This guide describes steps necessary for testing an API described in a swagger file with the [Dredd API Testing Framework](https://github.com/apiaryio/dredd) in a CI Environment \(Jenkins, TeamCity\).
## Environment Prerequisites
The following must be available in the CI environment before testing:
1. **Node.js** runtime MUST be available in the CI environment:
```text
$ node -v
v12.16.0
```
3. [**Dredd**](https://github.com/apiaryio/dredd) MUST be installed globally in the CI environment:
```text
$ npm install -g dredd --no-optional
```
```text
$ dredd --version
dredd v13.0.1
```
## Testing an API
### Test Run Prerequisites
To test an API within the CI environment provisioned as mentioned in the environment prerequisites, you will need the following:
1. A `swagger.yaml` file with the description of API being tested
The OpenAPI Specifciation file should be fetched from [API Design Platform](design-plaform.md). In the case of SwaggerHub API Design Platform, the file can be fetched manually or via their API. Refer to [Integrating with the SwaggerHub API](https://swagger.io/blog/api-development/integrating-with-the-swaggerhub-api/), for details how to use SwaggerHub API.
2. The host \(address\) of the service being tested
```text
$ export API_HOST=http://deheremap7336.emea.adsint.biz:8004`
```
### Running the Test
Run:
```text
$ dredd swagger.yaml $API_HOST
```
> See [Dredd Command-line Interface](https://dredd.readthedocs.io/en/latest/usage-cli/).
The Dredd will perform the tests and exits usually if the tests have passed. You can check the test result as with any other Unix tools with:
```text
$ echo $?
```
Everything else but `0` should break the build. The test results will be visible in the CLI \(log\)