HttpDouble.MockEngine (http_double v1.0.0)

Evaluation engine for mock and expectation rules.

It is responsible for:

matching incoming HTTP requests against configured rules
supporting sequence responses (lists) and callback functions
tracking usage counts for expectations
returning a concrete response specification for the connection layer

Summary

Types

result()

Result of rule evaluation.

Functions

apply(rules, request, conn_id, mode, fallback)

Applies mock/expectation rules according to the given mode.

Types

result()

@type result() :: %{
  response: term(),
  rule_id: reference() | nil,
  rules: [HttpDouble.MockRule.t()]
}

Result of rule evaluation.

Functions

apply(rules, request, conn_id, mode, fallback)

@spec apply(
  [HttpDouble.MockRule.t()],
  HttpDouble.Request.t(),
  non_neg_integer(),
  :mock_first | :mock_only | :routes_only,
  (-> {term(), reference() | nil} | {:no_route, term()})
) :: result()

Applies mock/expectation rules according to the given mode.

Modes:

:mock_first – try rules, fall back to fallback.() when no match
:mock_only – try rules, return {:no_route, default} when no match
:routes_only – ignore rules, always call fallback.()