Unit test for the mf_wordsinstr1butnotstr2 macro

This script tests the `mf_wordsinstr1butnotstr2` macro, which identifies words present in a first string but absent from a second. The result is stored in a macro variable, then validated by the `%mp_assert` assertion macro which generates a test results table.

Data Analysis

Type : CREATION_INTERNE

The processed data are literal character strings passed as parameters. Test results are stored in the temporary table 'work.test_results'.

1 Code Block

MACRO CALL

Explanation :
Execution of the functional macro to extract words from list 'str1' that are not in list 'str2'. The result is assigned to the macro-variable 'x'.

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1	%let x=%mf_wordsinstr1butnotstr2(str1=xx DOLLAR x $CHAR xxx W MONNAME
2	,str2=ff xx x xxx xxxxxx
3	);
4

2 Code Block

MACRO CALL Data

Explanation :
Validation of the result using the `%mp_assert` macro. It compares the value of the macro-variable `&x` to the expected string ('DOLLAR $CHAR W MONNAME') and writes the test result to the 'work.test_results' table.

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1	%mp_assert(
2	iftrue=(
3	"&x"="DOLLAR $CHAR W MONNAME"
4	),
5	desc=Checking basic string,
6	outds=work.test_results
7	)

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