Added regression test to check variants can be selected from a .ini

Related to a discussion in SchrodingersGat#150

tests/config_samples/production.ini

@@ -0,0 +1,111 @@
+[BOM_OPTIONS]
+; General BoM options here
+; If 'ignore_dnf' option is set to 1, rows that are not to be fitted on the PCB will not be written to the BoM file
+ignore_dnf = 1
+; If 'html_generate_dnf' option is set to 1, also generate a list of components not fitted on the PCB (HTML only)
+html_generate_dnf = 1
+; If 'use_alt' option is set to 1, grouped references will be printed in the alternate compressed style eg: R1-R7,R18
+use_alt = 0
+; If 'number_rows' option is set to 1, each row in the BoM will be prepended with an incrementing row number
+number_rows = 1
+; If 'group_connectors' option is set to 1, connectors with the same footprints will be grouped together, independent of the name of the connector
+group_connectors = 1
+; If 'test_regex' option is set to 1, each component group will be tested against a number of regular-expressions (specified, per column, below). If any matches are found, the row is ignored in the output file
+test_regex = 1
+; If 'merge_blank_fields' option is set to 1, component groups with blank fields will be merged into the most compatible group, where possible
+merge_blank_fields = 1
+; Specify output file name format, %O is the defined output name, %v is the version, %V is the variant name which will be ammended according to 'variant_file_name_format'.
+output_file_name = %O_bom_%v%V
+; Specify the variant file name format, this is a unique field as the variant is not always used/specified. When it is unused you will want to strip all of this.
+variant_file_name_format = _(%V)
+; Field name used to determine if a particular part is to be fitted
+fit_field = Config
+; Make a backup of the bom before generating the new one, using the following template
+make_backup = %O.tmp
+; Put the datasheet as a link for the following field
+datasheet_as_link = 
+; Default number of boards to produce if none given on CLI with -n
+number_boards = 1
+; Default PCB variant if none given on CLI with -r
+board_variant = production
+; If 'hide_headers' option is set to 1, column headers aren't included in the output file
+hide_headers = 0
+; If 'hide_pcb_info' option is set to 1, PCB info isn't included in the output file
+hide_pcb_info = 0
+; Interpret as a Digikey P/N and link the following field
+digikey_link = 
+
+[IGNORE_COLUMNS]
+; Any column heading that appears here will be excluded from the Generated BoM
+; Titles are case-insensitive
+part lib
+footprint lib
+sheetpath
+
+[COLUMN_ORDER]
+; Columns will apear in the order they are listed here
+; Titles are case-insensitive
+Description
+Part
+Part Lib
+References
+Value
+Footprint
+Footprint Lib
+Quantity Per PCB
+Build Quantity
+Datasheet
+
+[GROUP_FIELDS]
+; List of fields used for sorting individual components into groups
+; Components which match (comparing *all* fields) will be grouped together
+; Field names are case-insensitive
+Part
+Part Lib
+Value
+Footprint
+Footprint Lib
+
+[COMPONENT_ALIASES]
+; A series of values which are considered to be equivalent for the part name
+; Each line represents a list of equivalent component name values separated by white space
+; e.g. 'c c_small cap' will ensure the equivalent capacitor symbols can be grouped together
+; Aliases are case-insensitive
+c	c_small	cap	capacitor
+r	r_small	res	resistor
+sw	switch
+l	l_small	inductor
+zener	zenersmall
+d	diode	d_small
+
+[JOIN]
+; A list of rules to join the content of fields
+; Each line is a rule, the first name is the field that will receive the data
+; from the other fields
+; Use tab (ASCII 9) as separator
+; Field names are case sensitive
+
+[REGEX_INCLUDE]
+; A series of regular expressions used to include parts in the BoM
+; If there are any regex defined here, only components that match against ANY of them will be included in the BOM
+; Column names are case-insensitive
+; Format is: "[ColumName] [Regex]" (white-space separated)
+
+[COLUMN_RENAME]
+; A list of columns to be renamed
+; Format is: "[ColumName] [NewName]" (white-space separated)
+
+[REGEX_EXCLUDE]
+; A series of regular expressions used to exclude parts from the BoM
+; If a component matches ANY of these, it will be excluded from the BoM
+; Column names are case-insensitive
+; Format is: "[ColumName] [Regex]" (white-space separated)
+References	^TP[0-9]*
+References	^FID
+Part	mount.*hole
+Part	solder.*bridge
+Part	test.*point
+Footprint	test.*point
+Footprint	mount.*hole
+Footprint	fiducial
+

tests/test_bom/test_bugs.py

@@ -52,10 +52,11 @@ def test_variants_issue_SG136_default():
 def test_variants_issue_SG136_production():
     prj = 'kibom-variant_2'
     ext = 'csv'
-    ctx = context.TestContext('test_variants_issue_SG136_production', prj, ext)
-    extra = ['-r', 'production']
-    ctx.run(no_config_file=True, extra=extra)
-    out = prj + '_bom_A_(production).' + ext
+    ctx = context.TestContext('test_variants_issue_SG136_production', prj, ext, 'production')
+    ctx.run()
+    # ctx.run(no_config_file=True, extra=['-r', 'production'])
+    # out = prj + '_bom_A_(production).' + ext
+    out = prj + '_bom_A.' + ext
     rows, components = ctx.load_csv(out)
     assert len(rows) == 2
     assert len(components) == 3