# Phase 12 — Update fixtures **Estimated time:** ~25 minutes **Touches:** every file under `spec/fixtures/sse/` and `spec/fixtures/responses/`. ## Goal Replace the Anthropic-shaped fixtures with MiniMax-shaped fixtures that the rest of the spec suite (phases 13–16) will rely on. The MiniMax `/anthropic` endpoint mirrors Anthropic's wire format, so the fixture STRUCTURE is unchanged — same SSE event names, same JSON keys, same content blocks. The data INSIDE the fixtures changes: - `model` field becomes `MiniMax-M2.7` (or similar MiniMax id). - Token counts and message ids can be plausible placeholders. - Tool-use blocks keep the Anthropic shape (`{"type":"tool_use","id":"...","name":"...","input":{...}}`). - The previously-deleted OAuth fixtures (`oauth-profile.json`, `oauth-usage-full.json`, `oauth-usage-partial.json`) are GONE per phase 02; do not recreate them. ## Steps ### 1. Inventory the existing fixtures The fixtures that must remain (renamed/rewritten): ```text spec/fixtures/sse/text-only.sse spec/fixtures/sse/thinking-then-text.sse spec/fixtures/sse/tool-use.sse spec/fixtures/sse/truncated-before-message-start.sse spec/fixtures/sse/truncated-mid-text.sse spec/fixtures/responses/messages-text.json spec/fixtures/responses/messages-tool-use.json spec/fixtures/responses/messages-with-thinking.json ``` Already deleted in phase 02: ```text spec/fixtures/responses/oauth-profile.json spec/fixtures/responses/oauth-usage-full.json spec/fixtures/responses/oauth-usage-partial.json ``` ### 2. Rewrite `spec/fixtures/sse/text-only.sse` ```text event: message_start data: {"type":"message_start","message":{"id":"msg_minimax_text01","type":"message","role":"assistant","content":[],"model":"MiniMax-M2.7","stop_reason":null,"usage":{"input_tokens":15,"output_tokens":0}}} event: content_block_start data: {"type":"content_block_start","index":0,"content_block":{"type":"text","text":""}} event: ping data: {} event: content_block_delta data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"Hello, "}} event: content_block_delta data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"world!"}} event: content_block_stop data: {"type":"content_block_stop","index":0} event: message_delta data: {"type":"message_delta","delta":{"stop_reason":"end_turn","stop_sequence":null},"usage":{"output_tokens":8}} event: message_stop data: {"type":"message_stop"} ``` (Keep the trailing blank line.) ### 3. Rewrite `spec/fixtures/sse/thinking-then-text.sse` ```text event: message_start data: {"type":"message_start","message":{"id":"msg_minimax_thnk01","type":"message","role":"assistant","content":[],"model":"MiniMax-M2.7","stop_reason":null,"usage":{"input_tokens":42,"output_tokens":0}}} event: content_block_start data: {"type":"content_block_start","index":0,"content_block":{"type":"thinking","thinking":"","signature":""}} event: content_block_delta data: {"type":"content_block_delta","index":0,"delta":{"type":"thinking_delta","thinking":"Considering the question..."}} event: content_block_delta data: {"type":"content_block_delta","index":0,"delta":{"type":"thinking_delta","thinking":" the answer is two."}} event: content_block_stop data: {"type":"content_block_stop","index":0} event: content_block_start data: {"type":"content_block_start","index":1,"content_block":{"type":"text","text":""}} event: content_block_delta data: {"type":"content_block_delta","index":1,"delta":{"type":"text_delta","text":"The answer is 2."}} event: content_block_stop data: {"type":"content_block_stop","index":1} event: message_delta data: {"type":"message_delta","delta":{"stop_reason":"end_turn","stop_sequence":null},"usage":{"output_tokens":24}} event: message_stop data: {"type":"message_stop"} ``` NOTE: MiniMax docs do not document `signature` on thinking blocks. The parser must accept thinking blocks WITHOUT a signature too. Leaving `"signature":""` here exercises the empty-string branch; if the existing parser treats empty-string as "no signature", that's fine. ### 4. Rewrite `spec/fixtures/sse/tool-use.sse` ```text event: message_start data: {"type":"message_start","message":{"id":"msg_minimax_tool01","type":"message","role":"assistant","content":[],"model":"MiniMax-M2.7","stop_reason":null,"usage":{"input_tokens":50,"output_tokens":0}}} event: content_block_start data: {"type":"content_block_start","index":0,"content_block":{"type":"tool_use","id":"toolu_minimax01","name":"get_weather","input":{}}} event: content_block_delta data: {"type":"content_block_delta","index":0,"delta":{"type":"input_json_delta","partial_json":"{\"city\":"}} event: content_block_delta data: {"type":"content_block_delta","index":0,"delta":{"type":"input_json_delta","partial_json":"\"Boston\"}"}} event: content_block_stop data: {"type":"content_block_stop","index":0} event: message_delta data: {"type":"message_delta","delta":{"stop_reason":"tool_use","stop_sequence":null},"usage":{"output_tokens":18}} event: message_stop data: {"type":"message_stop"} ``` ### 5. Rewrite `spec/fixtures/sse/truncated-before-message-start.sse` ```text event: ping data: {} ``` (Two lines, ending in a blank line. The point of this fixture is that the stream ends before any `message_start` arrives — the streaming retry harness should treat this as a transient first-event failure.) ### 6. Rewrite `spec/fixtures/sse/truncated-mid-text.sse` ```text event: message_start data: {"type":"message_start","message":{"id":"msg_minimax_trunc01","type":"message","role":"assistant","content":[],"model":"MiniMax-M2.7","stop_reason":null,"usage":{"input_tokens":15,"output_tokens":0}}} event: content_block_start data: {"type":"content_block_start","index":0,"content_block":{"type":"text","text":""}} event: content_block_delta data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"Hello" ``` (Deliberately ends mid-frame, no terminating blank line. The streaming retry harness should NOT retry once consumer-visible text has been emitted.) ### 7. Rewrite `spec/fixtures/responses/messages-text.json` ```json { "id": "msg_minimax_resp_text01", "type": "message", "role": "assistant", "model": "MiniMax-M2.7", "content": [ { "type": "text", "text": "Hello, world!" } ], "stop_reason": "end_turn", "stop_sequence": null, "usage": { "input_tokens": 15, "output_tokens": 8 } } ``` ### 8. Rewrite `spec/fixtures/responses/messages-tool-use.json` ```json { "id": "msg_minimax_resp_tool01", "type": "message", "role": "assistant", "model": "MiniMax-M2.7", "content": [ { "type": "tool_use", "id": "toolu_minimax_resp01", "name": "get_weather", "input": { "city": "Boston" } } ], "stop_reason": "tool_use", "stop_sequence": null, "usage": { "input_tokens": 50, "output_tokens": 18 } } ``` ### 9. Rewrite `spec/fixtures/responses/messages-with-thinking.json` ```json { "id": "msg_minimax_resp_thnk01", "type": "message", "role": "assistant", "model": "MiniMax-M2.7", "content": [ { "type": "thinking", "thinking": "Considering the question... the answer is two.", "signature": "" }, { "type": "text", "text": "The answer is 2." } ], "stop_reason": "end_turn", "stop_sequence": null, "usage": { "input_tokens": 42, "output_tokens": 24 } } ``` ## Acceptance criteria - All five SSE fixtures exist with the new MiniMax-flavoured content. - All three response JSON fixtures exist with the new MiniMax-flavoured content. - `grep -rn 'claude-sonnet\|claude-3-5\|claude-3.5\|anthropic' spec/fixtures/` returns ZERO matches. - `bundle exec rubocop --autocorrect-all` exits 0 (no Ruby files changed, but invoked via `run_tests`). ## Verification Run `run_tests` with `project_path=reference/dispatch-adapter-minimax`. Rubocop must be clean. RSpec failures pointing at the fixtures (expected text strings, model ids, token counts) are routine and will be reconciled when the corresponding spec is retargeted in phase 13–16. Any failure NOT of that shape must be investigated. DO NOT update spec assertions to match the fixtures here — that is deferred to the retarget phases.