Test for KPIs

By using Pytest Framework : we followed to get the output data from the database and implemented the business logic, and verifying the final result matched to the expected outcome

Step 1: Prepare input JSON files for each program(student_attendance, teacher_attendance, etc..) which have all the dimensions needed for a particular program along with its values and along with its metric with min and max values.

Step 2: Use the grammar file required for the program (student_attendance, teacher_attendance, etc..) in order to extract the time dimension, dimensions, and metrics.

Step 3: Get the required time dimension and dimensions from the grammar file

Step 4: Get the required metrics from the config file

Step 5: For each metric in the program, generate the test data along with the required dimension columns specified in the config file.

Step 6: Split the generated test data of each metric according to different time_lines (daily, weekly, monthly, yearly) for each dimension key-metric aggregate value combination, to use it as the expected data (which should be filled up through manual calculation).

Step 7: Ingest the test data into the cube server and get the processed data in the database, which is the actual data file.

Step 8: Fill in the aggregate values for expected data manually.

Step 9: Compare the actual data with the expected data and generate the HTML test results.

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