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175746c e4a41fa 175746c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 | """Tests for the model registry and capabilities database."""
from __future__ import annotations
import pytest
from headroom.models import (
ModelInfo,
ModelRegistry,
get_model_info,
list_models,
register_model,
)
class TestModelInfo:
"""Tests for ModelInfo dataclass."""
def test_default_values(self):
"""Test default values."""
info = ModelInfo(name="test", provider="test-provider")
assert info.context_window == 128000
assert info.max_output_tokens == 4096
assert info.supports_tools is True
assert info.supports_vision is False
assert info.supports_streaming is True
def test_custom_values(self):
"""Test custom values."""
info = ModelInfo(
name="custom-model",
provider="custom",
context_window=32000,
max_output_tokens=8192,
supports_tools=False,
supports_vision=True,
input_cost_per_1m=1.5,
output_cost_per_1m=3.0,
)
assert info.context_window == 32000
assert info.max_output_tokens == 8192
assert info.supports_tools is False
assert info.supports_vision is True
assert info.input_cost_per_1m == 1.5
def test_frozen(self):
"""Test that ModelInfo is frozen (immutable)."""
info = ModelInfo(name="test", provider="test")
with pytest.raises(AttributeError):
info.name = "changed"
class TestModelRegistry:
"""Tests for ModelRegistry."""
def test_get_openai_model(self):
"""Test getting OpenAI model info."""
info = ModelRegistry.get("gpt-4o")
assert info is not None
assert info.provider == "openai"
assert info.context_window == 128000
def test_get_anthropic_model(self):
"""Test getting Anthropic model info."""
info = ModelRegistry.get("claude-3-5-sonnet-20241022")
assert info is not None
assert info.provider == "anthropic"
assert info.context_window == 200000
def test_get_google_model(self):
"""Test getting Google model info."""
info = ModelRegistry.get("gemini-1.5-pro")
assert info is not None
assert info.provider == "google"
assert info.context_window == 2000000 # 2M!
def test_get_by_alias(self):
"""Test getting model by alias."""
info = ModelRegistry.get("gpt-4o-2024-11-20")
assert info is not None
assert info.name == "gpt-4o"
def test_get_unknown_model(self):
"""Test getting unknown model returns None."""
info = ModelRegistry.get("unknown-model-xyz")
assert info is None
def test_get_prefix_matching(self):
"""Test prefix matching for versioned models."""
info = ModelRegistry.get("gpt-4o-new-version")
assert info is not None
assert info.name == "gpt-4o"
def test_register_custom_model(self):
"""Test registering custom model."""
info = ModelRegistry.register(
"my-custom-model",
provider="custom",
context_window=64000,
supports_vision=True,
)
assert info.name == "my-custom-model"
assert info.provider == "custom"
assert info.context_window == 64000
# Should be retrievable
retrieved = ModelRegistry.get("my-custom-model")
assert retrieved is not None
assert retrieved.context_window == 64000
def test_list_models_all(self):
"""Test listing all models."""
models = ModelRegistry.list_models()
assert len(models) > 0
def test_list_models_by_provider(self):
"""Test listing models by provider."""
openai_models = ModelRegistry.list_models(provider="openai")
assert len(openai_models) > 0
assert all(m.provider == "openai" for m in openai_models)
def test_list_models_with_tools(self):
"""Test listing models with tool support."""
models = ModelRegistry.list_models(supports_tools=True)
assert len(models) > 0
assert all(m.supports_tools for m in models)
def test_list_models_with_vision(self):
"""Test listing models with vision support."""
models = ModelRegistry.list_models(supports_vision=True)
assert len(models) > 0
assert all(m.supports_vision for m in models)
def test_list_models_min_context(self):
"""Test listing models with minimum context."""
models = ModelRegistry.list_models(min_context=1000000)
assert len(models) > 0
assert all(m.context_window >= 1000000 for m in models)
def test_list_providers(self):
"""Test listing all providers."""
providers = ModelRegistry.list_providers()
assert "openai" in providers
assert "anthropic" in providers
assert "google" in providers
def test_get_context_limit(self):
"""Test getting context limit."""
limit = ModelRegistry.get_context_limit("gpt-4o")
assert limit == 128000
def test_get_context_limit_unknown(self):
"""Test getting context limit for unknown model."""
limit = ModelRegistry.get_context_limit("unknown", default=32000)
assert limit == 32000
def test_estimate_cost(self):
"""Test cost estimation."""
cost = ModelRegistry.estimate_cost(
model="gpt-4o",
input_tokens=1000000,
output_tokens=500000,
)
assert cost is not None
# GPT-4o: $2.50/1M input + $10.00/1M output * 0.5 = $2.50 + $5.00 = $7.50
assert abs(cost - 7.50) < 0.01
def test_estimate_cost_with_cache(self):
"""Test cost estimation with cached tokens."""
cost = ModelRegistry.estimate_cost(
model="gpt-4o",
input_tokens=1000000,
output_tokens=0,
cached_tokens=500000, # Half cached
)
assert cost is not None
# 500K regular at $2.50/1M + 500K cached at $1.25/1M
# = $1.25 + $0.625 = $1.875
assert abs(cost - 1.875) < 0.01
def test_estimate_cost_unknown_model(self):
"""Test cost estimation for unknown model."""
cost = ModelRegistry.estimate_cost(
model="unknown-model",
input_tokens=1000,
output_tokens=500,
)
assert cost is None
class TestConvenienceFunctions:
"""Tests for convenience functions."""
def test_get_model_info(self):
"""Test get_model_info function."""
info = get_model_info("gpt-4o")
assert info is not None
assert info.name == "gpt-4o"
def test_list_models(self):
"""Test list_models function."""
models = list_models(provider="anthropic")
assert len(models) > 0
def test_register_model(self):
"""Test register_model function."""
info = register_model(
"test-function-model",
provider="test",
context_window=16000,
)
assert info.name == "test-function-model"
class TestBuiltInModels:
"""Tests for built-in model data."""
def test_gpt4o_info(self):
"""Test GPT-4o model info."""
info = get_model_info("gpt-4o")
assert info.provider == "openai"
assert info.context_window == 128000
assert info.supports_tools is True
assert info.supports_vision is True
assert info.input_cost_per_1m == 2.50
assert info.output_cost_per_1m == 10.00
def test_o1_info(self):
"""Test o1 model info."""
info = get_model_info("o1")
assert info.provider == "openai"
assert info.context_window == 200000 # 200K context
assert info.max_output_tokens == 100000 # 100K output
def test_claude_info(self):
"""Test Claude model info."""
info = get_model_info("claude-3-5-sonnet-20241022")
assert info.provider == "anthropic"
assert info.context_window == 200000
assert info.cached_input_cost_per_1m == 0.30 # 90% cache discount
def test_gemini_info(self):
"""Test Gemini model info."""
info = get_model_info("gemini-1.5-pro")
assert info.provider == "google"
assert info.context_window == 2000000 # 2M tokens!
def test_llama_info(self):
"""Test Llama model info."""
info = get_model_info("llama-3.1-8b")
assert info.provider == "meta"
assert info.context_window == 128000
assert info.tokenizer_backend == "huggingface"
def test_mistral_info(self):
"""Test Mistral model info."""
info = get_model_info("mistral-large")
assert info.provider == "mistral"
assert info.supports_tools is True
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