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This DAX query showcases three unit tests - filtering by quantity, total quantity calculation, and total amount calculation in a dataset. Each test includes filtering conditions and summary calculations with corresponding assertions for


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Prompt

Sure, here is the advanced code snippet in DAX language:

EVALUATE
SUMMARIZECOLUMNS(
    FILTER(
        'Sales',
        'Sales'[Quantity] >= 10
    ),
    'Sales'[Product], 'Sales'[Amount],
    "Total Quantity", SUM('Sales'[Quantity]),
    "Total Amount", SUM('Sales'[Amount])
)

Answer

# Unit Test 1: Test for Filtering by Quantity
EVALUATE
SUMMARIZECOLUMNS(
    FILTER(
        ADDCOLUMNS('Sales', "TestQuantity", IF('Sales'[Quantity] >= 10, 1, 0)),
        [TestQuantity] = 1
    ),
    'Sales'[Product], 'Sales'[Amount],
    "Total Quantity", SUM('Sales'[Quantity]),
    "Total Amount", SUM('Sales'[Amount])
)
-- Assertion: Ensure only rows with Quantity >= 10 are included

# Unit Test 2: Test for Total Quantity Calculation
EVALUATE
SUMMARIZECOLUMNS(
    FILTER(
        'Sales',
        'Sales'[Quantity] >= 10
    ),
    'Sales'[Product], 'Sales'[Amount],
    "Total Quantity", SUM('Sales'[Quantity]),
    "Total Amount", SUM('Sales'[Amount])
)
-- Assertion: Compare "Total Quantity" with the sum of Quantity in filtered rows

# Unit Test 3: Test for Total Amount Calculation
EVALUATE
SUMMARIZECOLUMNS(
    FILTER(
        'Sales',
        'Sales'[Quantity] >= 10
    ),
    'Sales'[Product], 'Sales'[Amount],
    "Total Quantity", SUM('Sales'[Quantity]),
    "Total Amount", SUM('Sales'[Amount])
)
-- Assertion: Compare "Total Amount" with the sum of Amount in filtered rows

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Description

This DAX query showcases three unit tests - filtering by quantity, total quantity calculation, and total amount calculation in a dataset. Each test includes filtering conditions and summary calculations with corresponding assertions for validation.

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