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Diffstat (limited to 'doc/development/testing_guide/best_practices.md')
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diff --git a/doc/development/testing_guide/best_practices.md b/doc/development/testing_guide/best_practices.md index d1b7883451f..ac5f1a47f9b 100644 --- a/doc/development/testing_guide/best_practices.md +++ b/doc/development/testing_guide/best_practices.md @@ -842,6 +842,41 @@ Example: expect(response).to have_gitlab_http_status(:ok) ``` +#### `match_schema` and `match_response_schema` + +The `match_schema` matcher allows validating that the subject matches a +[JSON schema](https://json-schema.org/). The item inside `expect` can be +a JSON string or a JSON-compatible data structure. + +`match_response_schema` is a convenience matcher for using with a +response object. from a [request +spec](testing_levels.md#integration-tests). + +Examples: + +```ruby +# Matches against spec/fixtures/api/schemas/prometheus/additional_metrics_query_result.json +expect(data).to match_schema('prometheus/additional_metrics_query_result') + +# Matches against ee/spec/fixtures/api/schemas/board.json +expect(data).to match_schema('board', dir: 'ee') + +# Matches against a schema made up of Ruby data structures +expect(data).to match_schema(Atlassian::Schemata.build_info) +``` + +#### `be_valid_json` + +`be_valid_json` allows validating that a string parses as JSON and gives +a non-empty result. To combine it with the schema matching above, use +`and`: + +```ruby +expect(json_string).to be_valid_json + +expect(json_string).to be_valid_json.and match_schema(schema) +``` + ### Testing query performance Testing query performance allows us to: |