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langchain-tests: allow subclasses to add addition, non-standard tests (#30204)

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**description:** the ChatModel[Integration]Tests classes are powerful
and helpful, this change allows sub-classes to add additional tests.

for instance,

```
class TestChatMyServiceIntegration(ChatModelIntegrationTests):
    ...
    def test_myservice(self, model: BaseChatModel) -> None:
        ...
```

---------

Co-authored-by: ccurme <chester.curme@gmail.com>
This commit is contained in:
Matthew Farrellee 2025-03-17 18:37:16 -05:00 committed by GitHub
parent 789db7398b
commit 1985aaf095
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1 changed files with 1 additions and 3 deletions
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4
libs/standard-tests/langchain_tests/base.py
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@ -41,14 +41,12 @@ class BaseStandardTests(ABC):
base_tests = set( base_tests = set(
[method for method in dir(comparison_class) if method.startswith("test_")] [method for method in dir(comparison_class) if method.startswith("test_")]
) )
non_standard_tests = running_tests - base_tests
assert not non_standard_tests, f"Non-standard tests found: {non_standard_tests}"
deleted_tests = base_tests - running_tests deleted_tests = base_tests - running_tests
assert not deleted_tests, f"Standard tests deleted: {deleted_tests}" assert not deleted_tests, f"Standard tests deleted: {deleted_tests}"
overridden_tests = [ overridden_tests = [
method method
for method in running_tests for method in base_tests
if getattr(self.__class__, method) is not getattr(comparison_class, method) if getattr(self.__class__, method) is not getattr(comparison_class, method)
] ]