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cleveragents-core/features/a2a_jsonrpc_wire_format.feature
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fix: add required @a2a, @session, @cli tags to BDD feature files
Add domain-scenario Gherkin tags to all A2A, session, and CLI feature
files (30 files) so tests can be filtered individually via behave.

- 8 A2A feature files: @a2a tag
- 7 session feature files: @session tag
- 15 CLI feature files: @cli tag

ISSUES CLOSED: #9124
2026-06-02 15:41:06 -04:00

217 lines
11 KiB
Gherkin

@a2a
Feature: A2A JSON-RPC 2.0 wire format compliance
As a developer maintaining the A2A protocol layer
I want A2aRequest and A2aResponse to use JSON-RPC 2.0 field names
So that external A2A-compliant clients can communicate with the server
# -------------------------------------------------------------------
# A2aRequest serialisation JSON-RPC 2.0 field names
# -------------------------------------------------------------------
Scenario: A2aRequest serialises with jsonrpc field set to "2.0"
Given a valid A2aRequest with method "_cleveragents/plan/status" and params {"plan_id": "P1"}
When I serialise the request to a dict
Then the serialised dict should contain key "jsonrpc" with value "2.0"
Scenario: A2aRequest serialises with id field
Given a valid A2aRequest with method "_cleveragents/plan/status" and params {"plan_id": "P1"}
When I serialise the request to a dict
Then the serialised dict should contain key "id"
Scenario: A2aRequest serialises with method field
Given a valid A2aRequest with method "_cleveragents/plan/status" and params {"plan_id": "P1"}
When I serialise the request to a dict
Then the serialised dict should contain key "method" with value "_cleveragents/plan/status"
Scenario: A2aRequest serialises with params field
Given a valid A2aRequest with method "_cleveragents/plan/status" and params {"plan_id": "P1"}
When I serialise the request to a dict
Then the serialised dict should contain key "params"
Scenario: A2aRequest does not contain non-standard field a2a_version
Given a valid A2aRequest with method "_cleveragents/plan/status" and params {"plan_id": "P1"}
When I serialise the request to a dict
Then the serialised dict should not contain key "a2a_version"
Scenario: A2aRequest does not contain non-standard field request_id
Given a valid A2aRequest with method "_cleveragents/plan/status" and params {"plan_id": "P1"}
When I serialise the request to a dict
Then the serialised dict should not contain key "request_id"
Scenario: A2aRequest does not contain non-standard field operation
Given a valid A2aRequest with method "_cleveragents/plan/status" and params {"plan_id": "P1"}
When I serialise the request to a dict
Then the serialised dict should not contain key "operation"
Scenario: A2aRequest does not contain non-standard field auth
Given a valid A2aRequest with method "_cleveragents/plan/status" and params {"plan_id": "P1"}
When I serialise the request to a dict
Then the serialised dict should not contain key "auth"
Scenario: A2aRequest auto-generates id when not provided
Given a valid A2aRequest with method "session.create" and params {}
Then the request id should be non-empty
Scenario: A2aRequest accepts explicit id
Given an A2aRequest with method "session.create" and id "my-custom-id"
Then the request id should equal "my-custom-id"
Scenario: A2aRequest rejects empty method
When I try to create an A2aRequest with empty method
Then a wire format ValidationError should be raised
Scenario: A2aRequest rejects non-2.0 jsonrpc version
When I try to create an A2aRequest with jsonrpc "1.0"
Then a wire format ValidationError should be raised
# -------------------------------------------------------------------
# A2aResponse serialisation — JSON-RPC 2.0 field names (success)
# -------------------------------------------------------------------
Scenario: A2aResponse success serialises with jsonrpc field set to "2.0"
Given a successful A2aResponse with id "REQ-001" and result {"status": "ok"}
When I serialise the response to a dict
Then the serialised dict should contain key "jsonrpc" with value "2.0"
Scenario: A2aResponse success serialises with id field
Given a successful A2aResponse with id "REQ-001" and result {"status": "ok"}
When I serialise the response to a dict
Then the serialised dict should contain key "id" with value "REQ-001"
Scenario: A2aResponse success serialises with result field
Given a successful A2aResponse with id "REQ-001" and result {"status": "ok"}
When I serialise the response to a dict
Then the serialised dict should contain key "result"
Scenario: A2aResponse success does not contain non-standard field a2a_version
Given a successful A2aResponse with id "REQ-001" and result {"status": "ok"}
When I serialise the response to a dict
Then the serialised dict should not contain key "a2a_version"
Scenario: A2aResponse success does not contain non-standard field request_id
Given a successful A2aResponse with id "REQ-001" and result {"status": "ok"}
When I serialise the response to a dict
Then the serialised dict should not contain key "request_id"
Scenario: A2aResponse success does not contain non-standard field status
Given a successful A2aResponse with id "REQ-001" and result {"status": "ok"}
When I serialise the response to a dict
Then the serialised dict should not contain key "status"
Scenario: A2aResponse success does not contain non-standard field data
Given a successful A2aResponse with id "REQ-001" and result {"status": "ok"}
When I serialise the response to a dict
Then the serialised dict should not contain key "data"
Scenario: A2aResponse success does not contain non-standard field timing_ms
Given a successful A2aResponse with id "REQ-001" and result {"status": "ok"}
When I serialise the response to a dict
Then the serialised dict should not contain key "timing_ms"
# -------------------------------------------------------------------
# A2aResponse serialisation — JSON-RPC 2.0 field names (error)
# -------------------------------------------------------------------
Scenario: A2aResponse error serialises with error field
Given an error A2aResponse with id "REQ-002" and error code "NOT_FOUND"
When I serialise the response to a dict
Then the serialised dict should contain key "error"
Scenario: A2aResponse error does not contain result field
Given an error A2aResponse with id "REQ-002" and error code "NOT_FOUND"
When I serialise the response to a dict
Then the serialised dict should not contain key "result"
Scenario: A2aResponse error does not contain non-standard field status
Given an error A2aResponse with id "REQ-002" and error code "NOT_FOUND"
When I serialise the response to a dict
Then the serialised dict should not contain key "status"
# -------------------------------------------------------------------
# A2aResponse validation — mutual exclusion of result and error
# -------------------------------------------------------------------
Scenario: A2aResponse requires either result or error
When I try to create an A2aResponse with neither result nor error
Then a wire format ValidationError should be raised
Scenario: A2aResponse rejects both result and error set simultaneously
When I try to create an A2aResponse with both result and error
Then a wire format ValidationError should be raised
# -------------------------------------------------------------------
# Deserialisation — inbound JSON-RPC 2.0 payloads
# -------------------------------------------------------------------
Scenario: A2aRequest deserialises from JSON-RPC 2.0 compliant dict
Given a JSON-RPC 2.0 request dict with method "message/send" and id "42"
When I deserialise the dict into an A2aRequest
Then the request method should equal "message/send"
And the request id should equal "42"
And the request jsonrpc should equal "2.0"
Scenario: A2aResponse deserialises from JSON-RPC 2.0 success dict
Given a JSON-RPC 2.0 success response dict with id "42" and result {"plan_id": "P1"}
When I deserialise the dict into an A2aResponse
Then the response result should contain key "plan_id"
And the response error should be None
Scenario: A2aResponse deserialises from JSON-RPC 2.0 error dict
Given a JSON-RPC 2.0 error response dict with id "42" and error code "NOT_FOUND"
When I deserialise the dict into an A2aResponse
Then the response error should not be None
And the response result should be None
# -------------------------------------------------------------------
# Facade dispatch — produces JSON-RPC 2.0 compliant responses
# -------------------------------------------------------------------
Scenario: Facade dispatch produces response with jsonrpc "2.0"
Given a wire-format facade with no services
When I dispatch wire-format method "_cleveragents/health/check" with params {}
Then the wire-format response jsonrpc should equal "2.0"
Scenario: Facade dispatch success produces response with result field
Given a wire-format facade with no services
When I dispatch wire-format method "_cleveragents/health/check" with params {}
Then the wire-format response result should not be None
Scenario: Facade dispatch success produces response without error field
Given a wire-format facade with no services
When I dispatch wire-format method "_cleveragents/health/check" with params {}
Then the wire-format response error should be None
Scenario: Facade dispatch error produces response with error field
Given a wire-format facade with no services
When I dispatch wire-format method "unknown/method" with params {}
Then the wire-format response error should not be None
Scenario: Facade dispatch preserves request id in response
Given a wire-format facade with no services
When I dispatch wire-format method "_cleveragents/health/check" with id "test-id-123" and params {}
Then the wire-format response id should equal "test-id-123"
# -------------------------------------------------------------------
# A2aErrorDetail — JSON-RPC 2.0 field name compliance (issue #2745)
# -------------------------------------------------------------------
@tdd_issue @tdd_issue_4229 @tdd_expected_fail
Scenario: A2aErrorDetail serialises with data field not details
Given an A2aErrorDetail with code "NOT_FOUND" and message "gone" and data {"id": "x"}
When I serialise the error detail to a dict
Then the error detail dict should contain key "data"
And the error detail dict should not contain key "details"
@tdd_issue @tdd_issue_4229 @tdd_expected_fail
Scenario: A2aErrorDetail serialises with empty data by default
Given an A2aErrorDetail with code "ERR" and message "error" and no data
When I serialise the error detail to a dict
Then the error detail dict should contain key "data"
And the error detail dict should not contain key "details"
@tdd_issue @tdd_issue_4229 @tdd_expected_fail
Scenario: A2aErrorDetail data field preserves payload values
Given an A2aErrorDetail with code "NOT_FOUND" and message "gone" and data {"plan_id": "abc123"}
When I serialise the error detail to a dict
Then the error detail data should contain key "plan_id"