jest_data_driven.javascript.txt

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ALTERNATIVES ==>                  #See testcheck

VERSION ==>                       #Part of Jest monorepo (see its doc), package 'jest-jasmine2'
                                  #Data-driven testing

describe|it|test.each             #Calls FUNC() with each VAL|ARR
 (VAL_ARR|ARR_ARR)                #'TEST_TITLE' can use VAL,... as data with either:
 ('TEST_TITLE', FUNC(VAL,...))    #  - UTIL.format() placeholders, and also:
                                  #     - %#: current array index
                                  #     - $VAR: OBJ.VAR
                                  #  - $VARR
                                  #ARR_ARR is like VAR_ARR, but firing several VAL,...
                                  #  - linear iteration, not Cartesian product

describe|it|test.each(`...`)      #Calls FUNC() with each OBJ
 ('TEST_TITLE', FUNC({ VAR, ...}))#`...` is tagged template with:
                                  #  VAR|VAR2|... (header row: names)
                                  #  VAL|VAL2|... (other rows: data)
                                  #Whitespaces are ignored