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open_api_spex
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Leverage Open Api Specification 3 (swagger) to document, test, validate and explore your Plug and Phoenix APIs.
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lib/open_api_spex/test/assertions.ex
defmodule OpenApiSpex.Test.Assertions do
@moduledoc """
Defines helpers for testing API responses and examples against API spec schemas.
"""
alias OpenApiSpex.OpenApi
import ExUnit.Assertions
@dialyzer {:no_match, assert_schema: 3}
@doc """
Asserts that `value` conforms to the schema with title `schema_title` in `api_spec`.
"""
@spec assert_schema(map, String.t, OpenApi.t) :: :ok | no_return
def assert_schema(value = %{}, schema_title, api_spec = %OpenApi{}) do
schemas = api_spec.components.schemas
schema = schemas[schema_title]
if !schema do
flunk("Schema: #{schema_title} not found in #{inspect(Map.keys(schemas))}")
end
_ = assert {:ok, data} = OpenApiSpex.cast(api_spec, schema, value)
_ = assert :ok = OpenApiSpex.validate(api_spec, schema, data)
:ok
end
end