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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 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").

Extending tests

Update a test step

Use case: Create two similar tests with a different action group reference by overwriting a stepKey.

Test with "extends":

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<tests>
    <test name="AdminLoginSuccessfulTest">
        <actionGroup ref="AdminLoginActionGroup" stepKey="loginAsAdmin"/>
        <actionGroup ref="AssertAdminSuccessLoginActionGroup" stepKey="assertLoggedIn"/>
        <actionGroup ref="AdminLogoutActionGroup" stepKey="logoutFromAdmin"/>
    </test>
    <test name="AdminLoginAsOtherUserSuccessfulTest" extends="AdminLoginSuccessfulTest">
        <actionGroup ref="AdminLoginAsOtherUserActionGroup" stepKey="loginAsAdmin"/>
    </test>
</tests>

Test without "extends":

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<tests>
    <test name="AdminLoginSuccessfulTest">
        <actionGroup ref="AdminLoginActionGroup" stepKey="loginAsAdmin"/>
        <actionGroup ref="AssertAdminSuccessLoginActionGroup" stepKey="assertLoggedIn"/>
        <actionGroup ref="AdminLogoutActionGroup" stepKey="logoutFromAdmin"/>
    </test>
    <test name="AdminLoginAsOtherUserSuccessfulTest">
        <actionGroup ref="AdminLoginAsOtherUserActionGroup" stepKey="loginAsAdmin"/>
        <actionGroup ref="AssertAdminSuccessLoginActionGroup" stepKey="assertLoggedIn"/>
        <actionGroup ref="AdminLogoutActionGroup" stepKey="logoutFromAdmin"/>
    </test>
</tests>

Add a test step

Use case: Create two similar tests where the second test contains two additional steps specified to occur before or after other stepKeys.

Tests with "extends":

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<tests>
    <test name="AdminLoginSuccessfulTest">
        <actionGroup ref="AdminLoginActionGroup" stepKey="loginAsAdmin"/>
        <actionGroup ref="AssertAdminSuccessLoginActionGroup" stepKey="assertLoggedIn"/>
        <actionGroup ref="AdminLogoutActionGroup" stepKey="logoutFromAdmin"/>
    </test>
    <test name="AdminLoginCheckRememberMeSuccessfulTest" extends="AdminLoginSuccessfulTest">
        <actionGroup ref="AdminCheckRememberMeActionGroup" stepKey="checkRememberMe" after="loginAsAdmin"/>
        <actionGroup ref="AssertAdminRememberMeActionGroup" stepKey="assertRememberMe" before="logoutFromAdmin"/>
    </test>
</tests>

Tests without "extends":

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<tests>
    <test name="AdminLoginSuccessfulTest">
        <actionGroup ref="AdminLoginActionGroup" stepKey="loginAsAdmin"/>
        <actionGroup ref="AssertAdminSuccessLoginActionGroup" stepKey="assertLoggedIn"/>
        <actionGroup ref="AdminLogoutActionGroup" stepKey="logoutFromAdmin"/>
    </test>
    <test name="AdminLoginCheckRememberMeSuccessfulTest">
        <actionGroup ref="AdminLoginActionGroup" stepKey="loginAsAdmin"/>
        <actionGroup ref="AdminCheckRememberMeActionGroup" stepKey="checkRememberMe"/>
        <actionGroup ref="AssertAdminSuccessLoginActionGroup" stepKey="assertLoggedIn"/>
        <actionGroup ref="AssertAdminRememberMeActionGroup" stepKey="assertRememberMe"/>
        <actionGroup ref="AdminLogoutActionGroup" stepKey="logoutFromAdmin"/>
    </test>
</tests>

Update a test before hook

Use case: Create two similar tests where the second test contains an additional action in the before hook.

Tests with "extends":

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<tests>
    <test name="AdminLoginSuccessfulTest">
        <before>
            <actionGroup ref="AdminLoginActionGroup" stepKey="loginAsAdmin"/>
        </before>
        <actionGroup ref="AssertAdminSuccessLoginActionGroup" stepKey="assertLoggedIn"/>
        <actionGroup ref="AdminLogoutActionGroup" stepKey="logoutFromAdmin"/>
    </test>
    <test name="AdminLoginCheckRememberMeSuccessfulTest" extends="AdminLoginSuccessfulTest">
        <before>
            <actionGroup ref="AdminCheckRememberMeActionGroup" stepKey="checkRememberMe" after="loginAsAdmin"/>
        </before>
    </test>
</tests>

Tests without "extends":

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<tests>
    <test name="AdminLoginSuccessfulTest">
        <before>
            <actionGroup ref="AdminLoginActionGroup" stepKey="loginAsAdmin"/>
        </before>
        <actionGroup ref="AssertAdminSuccessLoginActionGroup" stepKey="assertLoggedIn"/>
        <actionGroup ref="AdminLogoutActionGroup" stepKey="logoutFromAdmin"/>
    </test>
    <test name="AdminLoginCheckRememberMeSuccessfulTest">
        <before>
            <actionGroup ref="AdminLoginActionGroup" stepKey="loginAsAdmin"/>
            <actionGroup ref="AdminCheckRememberMeActionGroup" stepKey="checkRememberMe"/>
        </before>
        <actionGroup ref="AssertAdminSuccessLoginActionGroup" stepKey="assertLoggedIn"/>
        <actionGroup ref="AdminLogoutActionGroup" stepKey="logoutFromAdmin"/>
    </test>
</tests>

Extending action groups

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

Update an action

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

Action groups with "extends":

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<actionGroups>
    <actionGroup name="AssertAdminCountProductActionGroup">
        <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="AssertAdminOtherCountProductActionGroup" extends="AssertAdminCountProductActionGroup">
        <grabMultiple selector="selectorForProductB" stepKey="grabProducts"/>
    </actionGroup>
</actionGroups>

Action groups without "extends":

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<actionGroups>
    <actionGroup name="AssertAdminCountProductActionGroup">
        <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="AssertAdminOtherCountProductActionGroup">
        <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 AdminGetProductCountActionGroup action group returns the count of products. Add a new test AssertAdminVerifyProductCountActionGroup that asserts the count of products:

Action groups with "extends":

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


    <actionGroup name="AssertAdminVerifyProductCountActionGroup" extends="AdminGetProductCountActionGroup">
        <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="AdminGetProductCountActionGroup">
        <arguments>
            <argument name="productSelector" type="string"/>
        </arguments>
        <grabMultiple selector="{{productSelector}}" stepKey="grabProducts"/>
    </actionGroup>


    <actionGroup name="AssertAdminVerifyProductCountActionGroup">
        <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>
Jeff Matthews
Last updated 9/11/2023
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