Added test for empty list of group fields.

tests/test_plot/test_int_bom.py

@@ -478,7 +478,7 @@ def test_int_bom_alias_nm_csv():
     """ Component aliases and not merge blank fields """
     prj = 'kibom-test-2'
     ext = 'csv'
-    ctx = context.TestContextSCH('test_int_bom_alias_csv', prj, 'int_bom_alias_nm_csv', BOM_DIR)
+    ctx = context.TestContextSCH('test_int_bom_alias_nm_csv', prj, 'int_bom_alias_nm_csv', BOM_DIR)
     ctx.run()
     out = prj + '-bom.' + ext
     rows, header = ctx.load_csv(out)
@@ -489,3 +489,20 @@ def test_int_bom_alias_nm_csv():
     check_kibom_test_netlist(rows, ref_column, KIBOM_TEST_GROUPS+1, KIBOM_TEST_EXCLUDE, KIBOM_TEST_COMPONENTS)
     check_dnc(rows, 'R7', ref_column, qty_column)
     ctx.clean_up()
+
+
+def test_int_bom_no_group_csv():
+    """ Component aliases and not merge blank fields """
+    prj = 'kibom-test'
+    ext = 'csv'
+    ctx = context.TestContextSCH('test_int_bom_no_group_csv', prj, 'int_bom_no_group_csv', BOM_DIR)
+    ctx.run()
+    out = prj + '-bom.' + ext
+    rows, header = ctx.load_csv(out)
+    assert header == KIBOM_TEST_HEAD
+    ref_column = header.index(REF_COLUMN_NAME)
+    qty_column = header.index(QTY_COLUMN_NAME)
+    # R3 without footprint won't be merged with other 10K resistors
+    check_kibom_test_netlist(rows, ref_column, len(KIBOM_TEST_COMPONENTS), KIBOM_TEST_EXCLUDE, KIBOM_TEST_COMPONENTS)
+    check_dnc(rows, 'R7', ref_column, qty_column)
+    ctx.clean_up()

tests/yaml_samples/int_bom_no_group_csv.kiplot.yaml

@@ -0,0 +1,11 @@
+# Example KiPlot config file
+kiplot:
+  version: 1
+
+outputs:
+  - name: 'bom_internal'
+    comment: "Bill of Materials in CSV format"
+    type: bom
+    dir: BoM
+    options:
+      group_fields: []