[Tests][Diff][Added] Compare with output and multi variant cases

tests/test_plot/test_print_sch.py

@@ -242,3 +242,20 @@ def test_sch_bizarre_cases(test_dir):
     cov.save()
     assert ok_pol is False
     assert ok_pin is False
+
+
+@pytest.mark.slow
+@pytest.mark.eeschema
+def test_sch_variant_diff(test_dir):
+    """ Diff between SCH variants, using a separated output and using mutivar """
+    prj = 'kibom-variant_3'
+    ctx = context.TestContext(test_dir, prj, 'sch_variant_1', '')
+    ctx.run()
+    ctx.expect_out_file(['kibom-variant_3-diff_sch_variant_sch_default.pdf',
+                         'kibom-variant_3-diff_sch_variant_sch_production.pdf',
+                         'kibom-variant_3-diff_sch_variant_sch_test.pdf',
+                         'kibom-variant_3-diff_sch_Current-default_variant.pdf',
+                         'kibom-variant_3-diff_sch_Current-production_variant.pdf',
+                         'kibom-variant_3-diff_sch_Current-test_variant.pdf',
+                         'kibom-variant_3-diff_sch.pdf'])
+    ctx.clean_up()

tests/yaml_samples/sch_variant_1.kibot.yaml

@@ -52,8 +52,6 @@ outputs:
     comment: "Schematic difference with variant"
     type: diff
     options:
-      # old: pcb_default
-      # old_type: output
       pcb: false
       old: ''
       old_type: multivar
@@ -62,3 +60,13 @@ outputs:
       cache_dir: .cache
       # use_file_id: true
       add_link_id: true
+
+  - name: 'diff_sch_output'
+    comment: "Schematic difference with variant"
+    type: diff
+    options:
+      old: sch_default
+      old_type: output
+      pcb: false
+      cache_dir: .cache
+      use_file_id: true