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Programming Assignment: Write a test Solution
In this article i am gone to share Coursera Course: Programming in Python by Meta Week 4 | Programming Assignment: Write a test Solution with you..
Programming Assignment: Write a test
Introduction.
In this exercise, you will be checking the accuracy of a string input to a given function against some conditions. You will be writing two functions. The first function will check if the length of the input string is within a specific limit of words and characters. The second function will check if the basic grammar of the string is well-defined.
Learn how to create test cases for a given block of code using PyTest.
Ensure the string variables that will be passed as arguments to the code are within a specified length and have a well-defined structure.
Instructions
Step 1: Open the test_spellcheck.py file inside the project folder.
Step 2: Import pytest and spellcheck module.
Step 3: Comment out the beta variable using # symbol for now.
Step 4: Next, complete the test_length() and test_struc() functions. These two functions use input_value to check if the functions defined in spellcheck behave correctly.
Step 5: In test_length() function, you must add two assert statements. In each assert statement you first need to call the required function from the spellcheck file that you imported, and then check against some conditions.
For example, the format will be similar to:
assert spellcheck.some_function(input_value) against some condition
- 5.1 Add the first assert statement over function word_count() from the main code which asserts that the returned value is less than 10.
- 5.2 Add the second assert statement over function char_count() from the main code which asserts that the returned value is less than 50.
Step 6: In the second function test_struc(), you must add two assert statements. The first assert statement checks if the first character is in upper case. The second assert statement checks if the sentence or the string variable passed ends with a dot (“.”)
- 6.1 Add the first assert statement over function first_char() from the main code. Now call a built-in function isupper() directly over it, such as function_name.isupper().
- isupper() function returns True if it is called over an upper-case character and False if called over a lower-case character. For example, “A”.isupper() return True and “a”.isupper() returns False.
- 6.2 Add the second assert statement over the function last_char() from the main code and compare it to “.”
Step 7: Save the files.
Step 8: Open the terminal to execute the files.
- Open the terminal to run the script.
Step 9: Run the code using the following command (within the project directory):
- python3 -m pytest test_spellcheck.py
Step 10: Both the tests should pass in this case.
Bonus step: Pass the variable beta instead of alpha in all four of the functions. The result should now show one passed and one failed test.
- Common mistakes made in this process can include the following:
- Forgetting to import the pytest and main code file.
- Not passing the variable names correctly.
Copy and paste this code..
test_spellcheck.py
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