gen_data: A Powerful Tool for Test Data Generation
Le Vuong
Posted on September 19, 2024
Introduction
When testing software applications, one of the major challenges developers and testers face is the need for large, realistic datasets to simulate real-world scenarios. That's where gen_data
comes in. This tool is designed to generate large amounts of data in CSV format, tailored for testing purposes.
usage: gen_data [-h] -r ROWS [-c COLUMNS] [-t TITLES] csvfile
Generate CSV file with specfied number of rows, and column types.
positional arguments:
csvfile
options:
-h, --help show this help message and exit
-r ROWS, --rows ROWS number of rows
-c COLUMNS, --columns COLUMNS
List of colume type, in this format: "t t t:n ..." Where t is type (number), n is column length.
-t TITLES, --titles TITLES
List of column titles
List of supported types: BOOL=1 INT=2 STRING=3 FLOAT=4 DATE=5 DATETIME=6
How to setup?
# Clone the repo
$ git clone git@github.com:patfinder/gen_data.git
# Move to the `gen_data` folder. Then enter below command to setup the tool.
# After this, `gen_data` will become a script command that you can execute directly.
$ pip install -e .
# Show info of installed script
$ pip show gen_data
Name: gen-data
Version: 0.0.1
Summary: A convenient tool for generating big test data.
Home-page: https://github.com/patfinder/gen_data/
Author: Le Vuong Nguyen
Author-email: vuong.se@gmail.com
License: UNKNOWN
Location: ~/myrepos/gen_data
Requires:
Required-by:
Usage
# Show Help for the command
$ gen_data --help
# Run sample command to generate csv with 5 rows
# and columns of (bool, string, string with length of 20, int) and column titles
# List of supported types: BOOL=1 INT=2 STRING=3 FLOAT=4 DATE=5 DATETIME=6
$ gen_data f1.csv -r 5 -c"1,3,3:20,2" -t"is_active,name,job_desc,score"
# Sample output of above command is f1.csv with below content
$ cat f1.csv
id,is_active,name,job_desc,score
1,False,Louis Martinez,Really tonight we.,559
2,True,Larry Williams,Moment word camera.,845
3,True,Brandon Williams,Wear your consumer.,677
4,False,Chelsea Zamora,Identify itself let.,384
5,True,Jonathan Collier MD,Offer popular.,502
💖 💪 🙅 🚩
Le Vuong
Posted on September 19, 2024
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