Function TestClassifyOverflow

pkg/modelerrors/modelerrors_test.go:170–320

(t *testing.T)

}

func TestClassifyOverflow(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name string
		err  error
		want OverflowKind
	}{
		// ── Tier 1: structured ──
		{
			name: "anthropic 413 with request_too_large body",
			err: &StatusError{StatusCode: 413, Err: errors.New(
				`POST "https://api.anthropic.com/v1/messages": 413 Payload Too Large {"type":"error","error":{"type":"request_too_large","message":"Request exceeds 32MB limit"}}`)},
			want: OverflowKindWire,
		},
		{
			name: "openai context_length_exceeded structured code",
			err: errors.New(
				`POST "https://api.openai.com/v1/chat/completions": 400 Bad Request {"error":{"message":"maximum context length is 128000 tokens","type":"invalid_request_error","code":"context_length_exceeded"}}`),
			want: OverflowKindTokens,
		},
		{
			name: "bare 413 with empty body still classifies as wire",
			err:  &StatusError{StatusCode: 413, Err: errors.New(`413 Payload Too Large`)},
			want: OverflowKindWire,
		},
		{
			name: "vertex 413 with prompt-too-long body — wire wins via 413",
			err: &StatusError{StatusCode: 413, Err: errors.New(
				`413 Payload Too Large {"error":{"message":"Prompt is too long"}}`)},
			want: OverflowKindWire,
		},

		// ── Tier 2: prose patterns by provider ──
		{
			name: "anthropic 400 prompt too long",
			err: errors.New(
				`POST "https://api.anthropic.com/v1/messages": 400 Bad Request {"type":"error","error":{"type":"invalid_request_error","message":"prompt is too long: 137500 tokens > 135000 maximum"}}`),
			want: OverflowKindTokens,
		},
		{
			name: "gemini input token count exceeds maximum",
			err: errors.New(
				`googleapi: Error 400: input token count 200000 exceeds the maximum of 128000`),
			want: OverflowKindTokens,
		},
		{
			name: "bedrock input is too long",
			err:  errors.New(`ValidationException: input is too long for requested model`),
			want: OverflowKindTokens,
		},
		{
			name: "groq reduce the length",
			err:  errors.New(`please reduce the length of the messages or completion`),
			want: OverflowKindTokens,
		},
		{
			name: "mistral via prose",