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48f7143 582f82a 48f7143 ff32168 48f7143 678e6ab 48f7143 ff32168 48f7143 | 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 | import pytest
from pydantic import AnyUrl, BaseModel
from fastmcp.resources.resource import FunctionResource
class TestFunctionResource:
"""Test FunctionResource functionality."""
def test_function_resource_creation(self):
"""Test creating a FunctionResource."""
def my_func() -> str:
return "test content"
resource = FunctionResource(
uri=AnyUrl("fn://test"),
name="test",
description="test function",
fn=my_func,
)
assert str(resource.uri) == "fn://test"
assert resource.name == "test"
assert resource.description == "test function"
assert resource.mime_type == "text/plain" # default
assert resource.fn == my_func
async def test_read_text(self):
"""Test reading text from a FunctionResource."""
def get_data() -> str:
return "Hello, world!"
resource = FunctionResource(
uri=AnyUrl("function://test"),
name="test",
fn=get_data,
)
content = await resource.read()
assert content == "Hello, world!"
assert resource.mime_type == "text/plain"
async def test_read_binary(self):
"""Test reading binary data from a FunctionResource."""
def get_data() -> bytes:
return b"Hello, world!"
resource = FunctionResource(
uri=AnyUrl("function://test"),
name="test",
fn=get_data,
)
content = await resource.read()
assert content == b"Hello, world!"
async def test_json_conversion(self):
"""Test automatic JSON conversion of non-string results."""
def get_data() -> dict:
return {"key": "value"}
resource = FunctionResource(
uri=AnyUrl("function://test"),
name="test",
fn=get_data,
)
content = await resource.read()
assert isinstance(content, str)
assert '"key":"value"' in content
async def test_error_handling(self):
"""Test error handling in FunctionResource."""
def failing_func() -> str:
raise ValueError("Test error")
resource = FunctionResource(
uri=AnyUrl("function://test"),
name="test",
fn=failing_func,
)
with pytest.raises(ValueError, match="Test error"):
await resource.read()
async def test_basemodel_conversion(self):
"""Test handling of BaseModel types."""
class MyModel(BaseModel):
name: str
resource = FunctionResource(
uri=AnyUrl("function://test"),
name="test",
fn=lambda: MyModel(name="test"),
)
content = await resource.read()
assert content == '{"name":"test"}'
async def test_custom_type_conversion(self):
"""Test handling of custom types."""
class CustomData:
def __str__(self) -> str:
return "custom data"
def get_data() -> CustomData:
return CustomData()
resource = FunctionResource(
uri=AnyUrl("function://test"),
name="test",
fn=get_data,
)
content = await resource.read()
assert isinstance(content, str)
async def test_async_read_text(self):
"""Test reading text from async FunctionResource."""
async def get_data() -> str:
return "Hello, world!"
resource = FunctionResource(
uri=AnyUrl("function://test"),
name="test",
fn=get_data,
)
content = await resource.read()
assert content == "Hello, world!"
assert resource.mime_type == "text/plain"
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