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d829d76 8d16d26 d829d76 8d16d26 d829d76 8d16d26 d829d76 8d16d26 d829d76 8d16d26 | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 | """Tests for fastmcp.utilities.components module."""
import pytest
from pydantic import ValidationError
from fastmcp.utilities.components import (
FastMCPComponent,
FastMCPMeta,
MirroredComponent,
_convert_set_default_none,
)
class TestConvertSetDefaultNone:
"""Tests for the _convert_set_default_none helper function."""
def test_none_returns_empty_set(self):
"""Test that None returns an empty set."""
result = _convert_set_default_none(None)
assert result == set()
def test_set_returns_same_set(self):
"""Test that a set returns the same set."""
test_set = {"tag1", "tag2"}
result = _convert_set_default_none(test_set)
assert result == test_set
def test_list_converts_to_set(self):
"""Test that a list converts to a set."""
test_list = ["tag1", "tag2", "tag1"] # Duplicate to test deduplication
result = _convert_set_default_none(test_list)
assert result == {"tag1", "tag2"}
def test_tuple_converts_to_set(self):
"""Test that a tuple converts to a set."""
test_tuple = ("tag1", "tag2")
result = _convert_set_default_none(test_tuple)
assert result == {"tag1", "tag2"}
class TestFastMCPComponent:
"""Tests for the FastMCPComponent class."""
@pytest.fixture
def basic_component(self):
"""Create a basic component for testing."""
return FastMCPComponent(
name="test_component",
title="Test Component",
description="A test component",
tags=["test", "component"],
)
def test_initialization_with_minimal_params(self):
"""Test component initialization with minimal parameters."""
component = FastMCPComponent(name="minimal")
assert component.name == "minimal"
assert component.title is None
assert component.description is None
assert component.tags == set()
assert component.meta is None
assert component.enabled is True
def test_initialization_with_all_params(self):
"""Test component initialization with all parameters."""
meta = {"custom": "value"}
component = FastMCPComponent(
name="full",
title="Full Component",
description="A fully configured component",
tags=["tag1", "tag2"],
meta=meta,
enabled=False,
)
assert component.name == "full"
assert component.title == "Full Component"
assert component.description == "A fully configured component"
assert component.tags == {"tag1", "tag2"}
assert component.meta == meta
assert component.enabled is False
def test_key_property_without_custom_key(self, basic_component):
"""Test that key property returns name when no custom key is set."""
assert basic_component.key == "test_component"
def test_key_property_with_custom_key(self):
"""Test that key property returns custom key when set."""
component = FastMCPComponent(name="test", key="custom_key")
assert component.key == "custom_key"
assert component.name == "test"
def test_get_meta_without_fastmcp_meta(self, basic_component):
"""Test get_meta without including fastmcp meta."""
basic_component.meta = {"custom": "data"}
result = basic_component.get_meta(include_fastmcp_meta=False)
assert result == {"custom": "data"}
assert "_fastmcp" not in result
def test_get_meta_with_fastmcp_meta(self, basic_component):
"""Test get_meta including fastmcp meta."""
basic_component.meta = {"custom": "data"}
basic_component.tags = {"tag2", "tag1"} # Unordered to test sorting
result = basic_component.get_meta(include_fastmcp_meta=True)
assert result["custom"] == "data"
assert "_fastmcp" in result
assert result["_fastmcp"]["tags"] == ["tag1", "tag2"] # Should be sorted
def test_get_meta_preserves_existing_fastmcp_meta(self):
"""Test that get_meta preserves existing _fastmcp meta."""
component = FastMCPComponent(
name="test",
meta={"_fastmcp": {"existing": "value"}},
tags=["new_tag"],
)
result = component.get_meta(include_fastmcp_meta=True)
assert result is not None
assert result["_fastmcp"]["existing"] == "value"
assert result["_fastmcp"]["tags"] == ["new_tag"]
def test_get_meta_returns_none_when_empty(self):
"""Test that get_meta returns None when no meta and fastmcp_meta is False."""
component = FastMCPComponent(name="test")
result = component.get_meta(include_fastmcp_meta=False)
assert result is None
def test_model_copy_creates_copy_with_new_key(self, basic_component):
"""Test that model_copy with key creates a copy with a new key."""
new_component = basic_component.model_copy(key="new_key")
assert new_component.key == "new_key"
assert new_component.name == basic_component.name
assert new_component is not basic_component # Should be a copy
assert basic_component.key == "test_component" # Original unchanged
def test_equality_same_components(self):
"""Test that identical components are equal."""
comp1 = FastMCPComponent(name="test", description="desc")
comp2 = FastMCPComponent(name="test", description="desc")
assert comp1 == comp2
def test_equality_different_components(self):
"""Test that different components are not equal."""
comp1 = FastMCPComponent(name="test1")
comp2 = FastMCPComponent(name="test2")
assert comp1 != comp2
def test_equality_different_types(self, basic_component):
"""Test that component is not equal to other types."""
assert basic_component != "not a component"
assert basic_component != 123
assert basic_component is not None
def test_repr(self, basic_component):
"""Test string representation of component."""
repr_str = repr(basic_component)
assert "FastMCPComponent" in repr_str
assert "name='test_component'" in repr_str
assert "title='Test Component'" in repr_str
assert "description='A test component'" in repr_str
def test_enable_method(self):
"""Test enable method."""
component = FastMCPComponent(name="test", enabled=False)
assert component.enabled is False
component.enable()
assert component.enabled is True
def test_disable_method(self):
"""Test disable method."""
component = FastMCPComponent(name="test", enabled=True)
assert component.enabled is True
component.disable()
assert component.enabled is False
def test_copy_method(self, basic_component):
"""Test copy method creates an independent copy."""
copy = basic_component.copy()
assert copy == basic_component
assert copy is not basic_component
# Modify copy and ensure original is unchanged
copy.name = "modified"
assert basic_component.name == "test_component"
def test_tags_deduplication(self):
"""Test that tags are deduplicated."""
component = FastMCPComponent(
name="test",
tags=["tag1", "tag2", "tag1", "tag2"],
)
assert component.tags == {"tag1", "tag2"}
def test_validation_error_for_invalid_data(self):
"""Test that validation errors are raised for invalid data."""
with pytest.raises(ValidationError):
FastMCPComponent() # Missing required name field
def test_extra_fields_forbidden(self):
"""Test that extra fields are not allowed."""
with pytest.raises(ValidationError) as exc_info:
FastMCPComponent(name="test", unknown_field="value")
assert "Extra inputs are not permitted" in str(exc_info.value)
class TestMirroredComponent:
"""Tests for the MirroredComponent class."""
@pytest.fixture
def mirrored_component(self):
"""Create a mirrored component for testing."""
return MirroredComponent(
name="mirrored",
description="A mirrored component",
_mirrored=True,
)
@pytest.fixture
def non_mirrored_component(self):
"""Create a non-mirrored component for testing."""
return MirroredComponent(
name="local",
description="A local component",
_mirrored=False,
)
def test_initialization_mirrored(self, mirrored_component):
"""Test initialization of a mirrored component."""
assert mirrored_component.name == "mirrored"
assert mirrored_component._mirrored is True
def test_initialization_non_mirrored(self, non_mirrored_component):
"""Test initialization of a non-mirrored component."""
assert non_mirrored_component.name == "local"
assert non_mirrored_component._mirrored is False
def test_enable_raises_error_when_mirrored(self, mirrored_component):
"""Test that enable raises an error for mirrored components."""
with pytest.raises(RuntimeError) as exc_info:
mirrored_component.enable()
assert "Cannot enable mirrored component" in str(exc_info.value)
assert "mirrored" in str(exc_info.value)
assert ".copy()" in str(exc_info.value)
def test_disable_raises_error_when_mirrored(self, mirrored_component):
"""Test that disable raises an error for mirrored components."""
with pytest.raises(RuntimeError) as exc_info:
mirrored_component.disable()
assert "Cannot disable mirrored component" in str(exc_info.value)
assert "mirrored" in str(exc_info.value)
assert ".copy()" in str(exc_info.value)
def test_enable_works_when_not_mirrored(self, non_mirrored_component):
"""Test that enable works for non-mirrored components."""
non_mirrored_component.enabled = False
non_mirrored_component.enable()
assert non_mirrored_component.enabled is True
def test_disable_works_when_not_mirrored(self, non_mirrored_component):
"""Test that disable works for non-mirrored components."""
non_mirrored_component.enabled = True
non_mirrored_component.disable()
assert non_mirrored_component.enabled is False
def test_copy_removes_mirrored_flag(self, mirrored_component):
"""Test that copy creates a non-mirrored version."""
copy = mirrored_component.copy()
assert copy._mirrored is False
assert copy.name == mirrored_component.name
assert copy is not mirrored_component
# Should be able to enable/disable the copy
copy.enable()
copy.disable()
assert copy.enabled is False
def test_copy_preserves_non_mirrored_state(self, non_mirrored_component):
"""Test that copy preserves non-mirrored state."""
copy = non_mirrored_component.copy()
assert copy._mirrored is False
assert copy == non_mirrored_component
assert copy is not non_mirrored_component
def test_inheritance_from_fastmcp_component(self):
"""Test that MirroredComponent inherits from FastMCPComponent."""
component = MirroredComponent(name="test")
assert isinstance(component, FastMCPComponent)
assert isinstance(component, MirroredComponent)
def test_all_fastmcp_component_features_work(self, mirrored_component):
"""Test that all FastMCPComponent features work except enable/disable."""
# Test key property
assert mirrored_component.key == "mirrored"
# Test model_copy with key
with_key = mirrored_component.model_copy(key="new_key")
assert with_key.key == "new_key"
# Test get_meta
mirrored_component.tags = {"tag1"}
meta = mirrored_component.get_meta(include_fastmcp_meta=True)
assert meta["_fastmcp"]["tags"] == ["tag1"]
# Test repr
repr_str = repr(mirrored_component)
assert "MirroredComponent" in repr_str
class TestFastMCPMeta:
"""Tests for the FastMCPMeta TypedDict."""
def test_fastmcp_meta_structure(self):
"""Test that FastMCPMeta has the expected structure."""
meta: FastMCPMeta = {"tags": ["tag1", "tag2"]}
assert meta["tags"] == ["tag1", "tag2"]
def test_fastmcp_meta_optional_fields(self):
"""Test that FastMCPMeta fields are optional."""
meta: FastMCPMeta = {}
assert "tags" not in meta # Should be optional
class TestEdgeCasesAndIntegration:
"""Tests for edge cases and integration scenarios."""
def test_empty_tags_conversion(self):
"""Test that empty tags are handled correctly."""
component = FastMCPComponent(name="test", tags=[])
assert component.tags == set()
def test_tags_with_none_values(self):
"""Test tags behavior with various input types."""
# Test with None (through validator)
component = FastMCPComponent(name="test")
assert component.tags == set()
def test_meta_mutation_affects_original(self):
"""Test that get_meta returns a reference to the original meta."""
component = FastMCPComponent(name="test", meta={"key": "value"})
meta = component.get_meta(include_fastmcp_meta=False)
assert meta is not None
meta["key"] = "modified"
assert component.meta is not None
assert component.meta["key"] == "modified" # Original is modified
# This is the actual behavior - get_meta returns a reference
def test_component_with_complex_meta(self):
"""Test component with nested meta structures."""
complex_meta = {
"nested": {"level1": {"level2": "value"}},
"list": [1, 2, 3],
"bool": True,
}
component = FastMCPComponent(name="test", meta=complex_meta)
assert component.meta == complex_meta
def test_model_copy_with_key_preserves_all_attributes(self):
"""Test that model_copy with key preserves all component attributes."""
component = FastMCPComponent(
name="test",
title="Title",
description="Description",
tags=["tag1", "tag2"],
meta={"key": "value"},
enabled=False,
)
new_component = component.model_copy(key="new_key")
assert new_component.name == component.name
assert new_component.title == component.title
assert new_component.description == component.description
assert new_component.tags == component.tags
assert new_component.meta == component.meta
assert new_component.enabled == component.enabled
assert new_component.key == "new_key"
def test_mirrored_component_copy_chain(self):
"""Test creating copies of copies for mirrored components."""
original = MirroredComponent(name="original", _mirrored=True)
copy1 = original.copy()
copy2 = copy1.copy()
assert original._mirrored is True
assert copy1._mirrored is False
assert copy2._mirrored is False
# All copies should be independent
copy1.name = "copy1"
copy2.name = "copy2"
assert original.name == "original"
assert copy1.name == "copy1"
assert copy2.name == "copy2"
def test_model_copy_with_update_and_key(self):
"""Test that model_copy works with both update dict and key parameter."""
component = FastMCPComponent(
name="test",
title="Original Title",
description="Original Description",
tags=["tag1"],
enabled=True,
)
# Test with both update and key
updated_component = component.model_copy(
update={"title": "New Title", "description": "New Description"},
key="new_key",
)
assert updated_component.name == "test" # Not in update, unchanged
assert updated_component.title == "New Title" # Updated
assert updated_component.description == "New Description" # Updated
assert updated_component.tags == {"tag1"} # Not in update, unchanged
assert updated_component.enabled is True # Not in update, unchanged
assert updated_component.key == "new_key" # Custom key set
# Original should be unchanged
assert component.title == "Original Title"
assert component.description == "Original Description"
assert component.key == "test" # Uses name as key
def test_model_copy_deep_parameter(self):
"""Test that model_copy respects the deep parameter."""
nested_dict = {"nested": {"value": 1}}
component = FastMCPComponent(name="test", meta=nested_dict)
# Shallow copy (default)
shallow_copy = component.model_copy()
assert shallow_copy.meta is not None
assert component.meta is not None
shallow_copy.meta["nested"]["value"] = 2
assert component.meta["nested"]["value"] == 2 # Original affected
# Deep copy
component.meta["nested"]["value"] = 1 # Reset
deep_copy = component.model_copy(deep=True)
assert deep_copy.meta is not None
deep_copy.meta["nested"]["value"] = 3
assert component.meta["nested"]["value"] == 1 # Original unaffected
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