How do you write a unit test for SQL queries?

How do you unit test a SQL query?

How to unit test a SQL query?

  1. create a view from my SQL query, for example called my_query.
  2. (for each test case) create a test-query that compares the outcome from this view with the inline defined query result.

How do you write junit test cases for SQL queries?

1 Answer

  1. Chose a proper set of parameter values.
  2. (Optionally) Initialize the tested component in a required initial state.
  3. Invoke the tested method.
  4. Check that the returned result is equal to the expected result.
  5. Clean up the tested component not to let any “dirt” from the executed test.

How do I create a SQL database test?

Create Databases

  1. Launch Microsoft SQL Server Management Studio.
  2. Right-click on Databases and select New Database… – the New Database window will open.
  3. Database Name = TECAT.
  4. Click the OK button to create the database.
  5. Repeat steps 2-4 to create the TELIB, TELOCAL, TESTATS and TEWEB (If applicable) databases.

How do you test a database query?

Here are some guidelines:

  1. Use an isolated database for unit testing (e.g. No other test runs or activity)
  2. Always insert all the test data you intend to query within the same test.
  3. Write the tests to randomly create different volumes of data e.g. random number of inserts say between 1 and 10 rows.
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What is unit testing in database?

April 8, 2019 by Esat Erkec. SQL unit testing is a testing method which allows us to test the smallest, atomic programmable part of a database object. SQL unit testing plays a key role in the modern database development cycle because it allows us to test individual parts of the database objects work as expected.

What is unit testing and how it is done?

UNIT TESTING is a type of software testing where individual units or components of a software are tested. … Unit Testing is done during the development (coding phase) of an application by the developers. Unit Tests isolate a section of code and verify its correctness.

How do you write a test case for database testing?

Database Testing Guidelines

  1. Get clarity on the functional requirements.
  2. Make a list of all the tables used and find out- Joins used between tables. Cursors used, triggers used. Stored procedures used. Input/Output parameters used.
  3. Create test cases with multiple input data and try to cover all the paths.

How do I test SQL queries online?

How to test MySQL queries online?

  1. Enter your SQL query in the editor, finally click on “Run” to execute it. The query result will be displayed below the editor .
  2. You can also run only one query entered in the editor. …
  3. If you want to export the results in csv format, click on “Export”.

How do you write JUnit test cases in JDBC?

Creating a JUnit JDBC Test Fixture

  1. In the Navigator, select the project.
  2. Choose File | New to open the New Gallery.
  3. In the Categories tree, expand General and select Unit Tests (JUnit).
  4. In the Items list, double-click JDBC Test Fixture.
  5. Complete the wizard to create the test fixture class. …
  6. Modify the file as needed.
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How do I unit test a stored procedure in SQL Server?

A typical SQL unit testing scenario is as follows:

  1. Create a database object to meet some business requirement.
  2. Create a SQL unit test to check the database object.
  3. Run SQL unit test to check the database object does the job or not.
  4. If the test is passed then move on to the next SQL unit test.

What is SQL in software testing?

SQL is a standard computer language used to find, insert, update, and modify code data for database management. What does the phrase “all-around” mean? Well, it means that we need to equip Quality Assurance Engineers with the ability to test an application’s functionality.