Extending

There are cases when you need to create many tests that are very similar to each other. For example, only one or two parameters (for example, URL) might vary between tests. To avoid copy-pasting and to save some time the Magento Functional Testing Framework (MFTF) enables you to extend test components such as test, data, and action group. You can create or update any component of the parent body in your new test/action group/entity.

  • A test starting with <test name="SampleTest" extends="ParentTest"> creates a test SampleTest that takes body of existing test ParentTest and adds to it the body of SampleTest.
  • An action group starting with <actionGroup name="SampleActionGroup" extends="ParentActionGroup"> creates an action group based on the ParentActionGroup, but with the changes specified in SampleActionGroup.
  • An entity starting with <entity name="SampleEntity" extends="ParentEntity"> creates an entity SampleEntity that is equivalent to merging the SampleEntity with the ParentEntity.

Specify needed variations for a parent object and produce a copy of the original that incorporates the specified changes (the “delta”).

Unlike merging, the parent test (or action group) will still exist after the test generation.

Extending tests

Update a test step

Use case: Create two similar tests with different url ("{{AdminCategoryPage.url}}" and "{{OtherCategoryPage.url}}") in a test step.

Test with “extends”:

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<tests>
    <test name="AdminCategoryTest">
            <annotations>
                ...
            </annotations>
        ...(several steps)
        <amOnPage url="{{AdminCategoryPage.url}}" stepKey="navigateToAdminCategory"/>
        ...(several steps)
    </test>
    <test name="OtherCategoryTest" extends="AdminCategoryTest">
            <annotations>
                ...
            </annotations>
        <amOnPage url="{{OtherCategoryPage.url}}" stepKey="navigateToAdminCategory"/>
    </test>
</tests>

Test without “extends”:

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<tests>
    <test name="AdminCategoryTest">
            <annotations>
                ...
            </annotations>
        ...(several steps)
        <amOnPage url="{{AdminCategoryPage.url}}" stepKey="navigateToAdminCategory"/>
        ...(several steps)
    </test>
    <test name="OtherCategoryTest">
            <annotations>
                ...
            </annotations>
        ...(several steps)
        <amOnPage url="{{OtherCategoryPage.url}}" stepKey="navigateToAdminCategory"/>
        ...(several steps)
    </test>
</tests>

Add a test step

Use case: Create two similar tests where the second test contains two additional steps:

  • checkOption before click (stepKey="clickLogin")
  • seeInCurrentUrl after click in the LogInAsAdminTest test (in the .../Backend/Test/LogInAsAdminTest.xml file)

Tests with “extends”:

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<tests>
    <test name="LogInAsAdminTest">
        <amOnPage url="{{AdminLoginPage}}" stepKey="navigateToAdmin"/>
        <fillField selector="{{AdminLoginFormSection.username}}" userInput="admin" stepKey="fillUsername"/>
        <fillField selector="{{AdminLoginFormSection.password}}" userInput="password" stepKey="fillPassword"/>
        <click selector="{{AdminLoginFormSection.signIn}}" stepKey="clickLogin"/>
        <see userInput="Lifetime Sales" stepKey="seeLifetimeSales"/>
    </test>
    <test name="AlternativeLogInAsAdminTest" extends="LogInAsAdminTest">
        <checkOption selector="{{AdminLoginFormSection.rememberMe}}" stepKey="checkRememberMe" before="clickLogin"/>
        <seeInCurrentUrl url="admin/admin/dashboard/" stepKey="seeAdminUrl" after="clickLogin"/>
    </test>
</tests>

Tests without “extends”:

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<tests>
    <test name="LogInAsAdminTest">
        <amOnPage url="{{AdminLoginPage}}" stepKey="navigateToAdmin"/>
        <fillField selector="{{AdminLoginFormSection.username}}" userInput="admin" stepKey="fillUsername"/>
        <fillField selector="{{AdminLoginFormSection.password}}" userInput="password" stepKey="fillPassword"/>
        <click selector="{{AdminLoginFormSection.signIn}}" stepKey="clickLogin"/>
        <see userInput="Lifetime Sales" stepKey="seeLifetimeSales"/>
    </test>
    <test name="AlternativeLogInAsAdminTest">
        <amOnPage url="{{AdminLoginPage}}" stepKey="navigateToAdmin"/>
        <fillField selector="{{AdminLoginFormSection.username}}" userInput="admin" stepKey="fillUsername"/>
        <fillField selector="{{AdminLoginFormSection.password}}" userInput="password" stepKey="fillPassword"/>
        <checkOption selector="{{AdminLoginFormSection.rememberMe}}" stepKey="checkRememberMe"/>
        <click selector="{{AdminLoginFormSection.signIn}}" stepKey="clickLogin"/>
        <seeInCurrentUrl url="admin/admin/dashboard/" stepKey="seeAdminUrl"/>
        <see userInput="Lifetime Sales" stepKey="seeLifetimeSales"/>
    </test>
</tests>

Update a test annotation

Use case: Create two similar tests where the second one contains two additional actions in the before hook:

  • checkOption before click (stepKey="clickLogin")
  • seeInCurrentUrl after click in the LogInAsAdminTest test (in the .../Backend/Test/LogInAsAdminTest.xml file)

Tests with “extends”:

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<tests>
    <test name="LogInAsAdminTest">
        <before>
            <amOnPage url="{{AdminLoginPage}}" stepKey="navigateToAdmin"/>
            <fillField selector="{{AdminLoginFormSection.username}}" userInput="admin" stepKey="fillUsername"/>
            <fillField selector="{{AdminLoginFormSection.password}}" userInput="password" stepKey="fillPassword"/>
            <click selector="{{AdminLoginFormSection.signIn}}" stepKey="clickLogin"/>
        </before>
        <see userInput="Lifetime Sales" stepKey="seeLifetimeSales"/>
    </test>
    <test name="AlternativeLogInAsAdminTest" extends="LogInAsAdminTest">
        <before>
            <checkOption selector="{{AdminLoginFormSection.rememberMe}}" stepKey="checkRememberMe" before="clickLogin"/>
            <seeInCurrentUrl url="admin/admin/dashboard/" stepKey="seeAdminUrl" after="clickLogin"/>
        </before>
    </test>
</tests>

Tests without “extends”:

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<tests>
    <test name="LogInAsAdminTest">
        <before>
            <amOnPage url="{{AdminLoginPage}}" stepKey="navigateToAdmin"/>
            <fillField selector="{{AdminLoginFormSection.username}}" userInput="admin" stepKey="fillUsername"/>
            <fillField selector="{{AdminLoginFormSection.password}}" userInput="password" stepKey="fillPassword"/>
            <click selector="{{AdminLoginFormSection.signIn}}" stepKey="clickLogin"/>
        </before>
        <see userInput="Lifetime Sales" stepKey="seeLifetimeSales"/>
    </test>
    <test name="AlternativeLogInAsAdminTest">
        <before>
            <amOnPage url="{{AdminLoginPage}}" stepKey="navigateToAdmin"/>
            <fillField selector="{{AdminLoginFormSection.username}}" userInput="admin" stepKey="fillUsername"/>
            <fillField selector="{{AdminLoginFormSection.password}}" userInput="password" stepKey="fillPassword"/>
            <checkOption selector="{{AdminLoginFormSection.rememberMe}}" stepKey="checkRememberMe"/>
            <click selector="{{AdminLoginFormSection.signIn}}" stepKey="clickLogin"/>
            <seeInCurrentUrl url="admin/admin/dashboard/" stepKey="seeAdminUrl"/>
        </before>
        <see userInput="Lifetime Sales" stepKey="seeLifetimeSales"/>
    </test>
</tests>

Extending action groups

Extend an action group to add or update actions in your module.

Update an action

Use case: The CountProductA test counts the particular product. Modify the action group to use another product.

Action groups with “extends”:

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<actionGroups>
    <actionGroup name="CountProductA">
        <arguments>
            <argument name="count" type="string"/>
        </arguments>
        <grabMultiple selector="selectorForProductA" stepKey="grabProducts"/>
        <assertCount stepKey="assertCount">
            <expectedResult type="int">{{count}}</expectedResult>
            <actualResult type="variable">grabProducts</actualResult>
        </assertCount>
    </actionGroup>

    <actionGroup name="CountProductB" extends="CountProductA">
        <grabMultiple selector="selectorForProductB" stepKey="grabProducts"/>
    </actionGroup>
</actionGroups>

Action groups without “extends”:

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<actionGroups>
    <actionGroup name="CountProductA">
        <arguments>
            <argument name="count" type="string"/>
        </arguments>
        <grabMultiple selector="selectorForProductA" stepKey="grabProducts"/>
        <assertCount stepKey="assertCount">
            <expectedResult type="int">{{count}}</expectedResult>
            <actualResult type="variable">grabProducts</actualResult>
        </assertCount>
    </actionGroup>

    <actionGroup name="CountProductB">
        <arguments>
            <argument name="count" type="string"/>
        </arguments>
        <grabMultiple selector="selectorForProductB" stepKey="grabProducts"/>
        <assertCount stepKey="assertCount">
            <expectedResult type="int">{{count}}</expectedResult>
            <actualResult type="variable">grabProducts</actualResult>
        </assertCount>
    </actionGroup>
</actionGroups>

Add an action

Use case: The GetProductCount action group returns the count of products. Add a new test VerifyProductCount that asserts the count of products:

Action groups with “extends”:

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<actionGroups>
    <actionGroup name="GetProductCount">
        <arguments>
            <argument name="productSelector" type="string"/>
        </arguments>
        <grabMultiple selector="{{productSelector}}" stepKey="grabProducts"/>
    </actionGroup>

    <actionGroup name="VerifyProductCount" extends="GetProductCount">
        <arguments>
            <argument name="count" type="string"/>
        </arguments>
        <assertCount stepKey="assertCount" after="grabProducts">
            <expectedResult type="int">{{count}}</expectedResult>
            <actualResult type="variable">grabProducts</actualResult>
        </assertCount>
    </actionGroup>
</actionGroups>

Action groups without “extends”:

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<actionGroups>
    <actionGroup name="GetProductCount">
        <arguments>
            <argument name="productSelector" type="string"/>
        </arguments>
        <grabMultiple selector="{{productSelector}}" stepKey="grabProducts"/>
    </actionGroup>

    <actionGroup name="VerifyProductCount">
        <arguments>
            <argument name="count" type="string"/>
            <argument name="productSelector" type="string"/>
        </arguments>
        <grabMultiple selector="{{productSelector}}" stepKey="grabProducts"/>
        <assertCount stepKey="assertCount">
            <expectedResult type="int">{{count}}</expectedResult>
            <actualResult type="variable">grabProducts</actualResult>
        </assertCount>
    </actionGroup>
</actionGroups>

Extending data

Extend data to reuse entities in your module.

Update a data entry

Use case: Create an entity named DivPanelGreen, which is similar to the DivPanel entity, except that it is green.

Entities with “extends”:

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<entities>
    <entity name="DivPanel">
        <data key="divColor">Red</data>
        <data key="divSize">80px</data>
        <data key="divWidth">100%</data>
    </entity>
    <entity name="DivPanelGreen" extends="DivPanel">
        <data key="divColor">Green</data>
    </entity>
</entities>

Entities without “extends”:

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<entities>
    <entity name="DivPanel">
        <data key="divColor">Red</data>
        <data key="divSize">80px</data>
        <data key="divWidth">100%</data>
    </entity>
    <entity name="DivPanelGreen" extends="DivPanel">
        <data key="divColor">Green</data>
        <data key="divSize">80px</data>
        <data key="divWidth">100%</data>
    </entity>
</entities>

Add a data entry

Use case: Create an entity named DivPanelGreen, which is similar to the DivPanel entity, except that it has a specific panel color.

Entities with “extends”:

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<entities>
    <entity name="DivPanel">
        <data key="divColor">Red</data>
        <data key="divSize">80px</data>
        <data key="divWidth">100%</data>
    </entity>
    <entity name="DivPanelGreen" extends="DivPanel">
        <data key="divColor">#000000</data>
        <data key="AttributeHidden">True</data>
    </entity>
</entities>

Entities without “extends”:

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<entities>
    <entity name="DivPanel">
        <data key="divColor">Red</data>
        <data key="divSize">80px</data>
        <data key="divWidth">100%</data>
    </entity>
    <entity name="DivPanelGreen" extends="DivPanel">
        <data key="divColor">#000000</data>
        <data key="divSize">80px</data>
        <data key="divWidth">100%</data>
        <data key="AttributeHidden">True</data>
    </entity>
</entities>
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