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lukaszraczylo
fb7162ab71
Implements Task 9: the anthropic-type providerAdapter and its
request/response/stream translation to and from OpenAI's wire shape.
- translate_anthropic.go: anthropicRequestFromOpenAI (system messages
joined, content blocks incl. base64 data-URI images, tool_calls ->
tool_use, tool messages -> tool_result, max_tokens defaulting,
stop/stop_sequences, tool_choice incl. the none-drops-tools rule,
n>1/logit_bias/logprobs rejected), openAIResponseFromAnthropic
(content blocks joined/tool_calls re-marshaled, stop_reason mapping,
usage), and anthropicStreamState.translate mapping each SSE event to
zero or more OpenAI chat.completion.chunk payloads. translateError
carries a notSupported flag so the caller (Task 12) can tell a 400
from a 501.
- provider_anthropic.go: anthropicAdapter implementing providerAdapter.
newAnthropicAdapter errors on an empty API key per ruling (c), unlike
openai-type's keyless ruling. Headers: x-api-key, anthropic-version.
embeddings always returns a notSupported translateError without
calling upstream (Anthropic has no embeddings endpoint). listModels
GETs /v1/models and returns any non-2xx (incl. 404) as-is.
- providers.go: wires the anthropic buildAdapters case to
newAnthropicAdapter, propagating its constructor error.
- provider_openai_test.go: replaces the now-stale placeholder
TestBuildAdapters subtest with one asserting a keyed anthropic
provider builds successfully and a keyless one errors.
- translate_anthropic_test.go: golden-file harness walking
testdata/anthropic/{chat,resp}_*_in.json against sibling _want.json
(success) or _wanterr.json (*translateError) fixtures, plus a stream
harness driving each *.sse fixture through anthropicStreamState and
asserting the chunk list and usage().
- provider_anthropic_test.go: httptest-backed adapter wiring tests
(streaming + non-streaming), asserting OpenAI-shaped output on the
wire, per-event flushing, and the required auth headers.
Gate: go test ./... -count=1 and -race both green; gofmt, go vet,
fieldalignment, golangci-lint (incl. gosec) all clean.
19 lines
828 B
JSON
19 lines
828 B
JSON
{
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"model": "claude-opus-5",
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"messages": [
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{"role": "system", "content": "You are a helpful assistant."},
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{"role": "system", "content": "Always be concise."},
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{"role": "user", "content": "What's the weather in Paris?"},
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{"role": "assistant", "content": null, "tool_calls": [
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{"id": "call_abc123", "type": "function", "function": {"name": "get_weather", "arguments": "{\"location\":\"Paris\"}"}}
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]},
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{"role": "tool", "tool_call_id": "call_abc123", "content": "72F and sunny"}
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],
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"max_tokens": 512,
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"stop": ["END", "STOP"],
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"tools": [
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{"type": "function", "function": {"name": "get_weather", "description": "Get current weather for a location", "parameters": {"type": "object", "properties": {"location": {"type": "string"}}, "required": ["location"]}}}
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],
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"tool_choice": "auto"
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}
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