Below is the code snippet that can create a chain
from langchain_openai import ChatOpenAI
from langchain_core.prompts import ChatPromptTemplate
from langchain_core.output_parsers import StrOutputParser
prompt = ChatPromptTemplate.from_messages([
("system", "You are world class technical documentation writer."),
("user", "{input}")
])
print("created Prompt ")
llm = ChatOpenAI()
print("cCreated llm")
output_parser = StrOutputParser()
print("cCreated output_parser ")
chain = prompt | llm | output_parser
Chain is created with prompt, llm and outpurparser. The Output of the above will look like below
created Prompt
cCreated llm
cCreated output_parser
cCreated chain
Finished invoking Langsmith can help with testing in several ways:
1. Automated Testing: Langsmith can generate code snippets or templates to automate testing processes, such as generating test cases, setting up test environments, or creating mock data for testing.
2. Test Coverage: Langsmith can analyze codebases and suggest improvements to test coverage, highlighting areas that may require additional testing.
3. Test Data Generation: Langsmith can assist in generating test data for different scenarios to ensure comprehensive testing of software applications.
4. Test Script Creation: Langsmith can help in creating test scripts or test plans based on specific testing requirements, making it easier for testers to execute tests effectively.
5. Test Automation Frameworks: Langsmith can provide guidance on selecting and implementing test automation frameworks that best suit the project requirements, leading to efficient testing.
Overall, Langsmith can streamline testing processes, improve test coverage, and enhance the overall quality of software products by leveraging its capabilities in code generation and analysis.
Now it is also possible to do not have the output_parser in the chain. If run it without the output parser, it will look like below
created Prompt
cCreated llm
cCreated output_parser
cCreated chain
Finished invoking content="Langsmith is a powerful tool that can significantly aid in testing efforts. Here are several ways in which Langsmith can help with testing:\n\n1. **Automated Testing**: Langsmith can be used to automate various testing tasks, such as running test scripts, generating test data, and comparing expected versus actual results.\n\n2. **Performance Testing**: Langsmith can simulate a large number of users accessing a system simultaneously, helping to identify performance bottlenecks and areas for improvement.\n\n3. **Load Testing**: By generating a high volume of traffic to test the system's response under load, Langsmith can help determine the system's capacity and scalability.\n\n4. **Security Testing**: Langsmith can be used to simulate different types of security attacks, such as SQL injection or cross-site scripting, to assess the system's vulnerability and security measures.\n\n5. **Integration Testing**: Langsmith can help with testing the integration of different components or systems by automating the process of sending requests and verifying responses.\n\n6. **Regression Testing**: Langsmith can automate the execution of regression test cases to ensure that new code changes have not introduced any unintended side effects.\n\n7. **Data-Driven Testing**: Langsmith supports data-driven testing, where test cases are parameterized with different sets of data to cover various scenarios and edge cases.\n\nOverall, Langsmith can streamline testing processes, reduce manual effort, and improve the efficiency and effectiveness of testing activities." response_metadata={'token_usage': {'completion_tokens': 284, 'prompt_tokens': 27, 'total_tokens': 311}, 'model_name': 'gpt-3.5-turbo', 'system_fingerprint': 'fp_3bc1b5746c', 'finish_reason': 'stop', 'logprobs': None}
references:
Lanchain docs
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