Adding tests for configuring levels (#1413)

* Adding tests for configuring levels

* Updating tests to use floats and use pytest.approx, not round

* Updating new tests to use keyword arguments

src/nidigital/system_tests/test_system_nidigital.py

@@ -604,6 +604,40 @@ def test_write_sequencer_register(multi_instrument_session):
         65535)
 
 
+def test_configure_voltage_levels(multi_instrument_session):
+    assert multi_instrument_session.vil == pytest.approx(0.0, abs=1e-4)
+    assert multi_instrument_session.vih == pytest.approx(3.3, rel=1e-3)
+    assert multi_instrument_session.vol == pytest.approx(1.6, rel=1e-3)
+    assert multi_instrument_session.voh == pytest.approx(1.7, rel=1e-3)
+    assert multi_instrument_session.vterm == pytest.approx(2.0, rel=1e-3)
+    multi_instrument_session.load_pin_map(os.path.join(test_files_base_dir, "pin_map.pinmap"))
+    multi_instrument_session.pins['site0/PinA', 'site1/PinC'].configure_voltage_levels(
+        vil=1.0,
+        vih=2.0,
+        vol=3.0,
+        voh=4.0,
+        vterm=5.0)
+    assert multi_instrument_session.pins['site0/PinA', 'site1/PinC'].vil == pytest.approx(1.0, rel=1e-3)
+    assert multi_instrument_session.pins['site0/PinA', 'site1/PinC'].vih == pytest.approx(2.0, rel=1e-3)
+    assert multi_instrument_session.pins['site0/PinA', 'site1/PinC'].vol == pytest.approx(3.0, rel=1e-3)
+    assert multi_instrument_session.pins['site0/PinA', 'site1/PinC'].voh == pytest.approx(4.0, rel=1e-3)
+    assert multi_instrument_session.pins['site0/PinA', 'site1/PinC'].vterm == pytest.approx(5.0, rel=1e-3)
+
+
+def test_configure_active_load_levels(multi_instrument_session):
+    assert multi_instrument_session.active_load_iol == pytest.approx(0.0015, rel=1e-3)
+    assert multi_instrument_session.active_load_ioh == pytest.approx(-0.0015, rel=1e-3)
+    assert multi_instrument_session.active_load_vcom == pytest.approx(2.0, rel=1e-3)
+    multi_instrument_session.load_pin_map(os.path.join(test_files_base_dir, "pin_map.pinmap"))
+    multi_instrument_session.pins['site0/PinA', 'site1/PinC'].configure_active_load_levels(
+        iol=0.024,
+        ioh=-0.024,
+        vcom=3.0)
+    assert multi_instrument_session.pins['site0/PinA', 'site1/PinC'].active_load_iol == pytest.approx(0.024, rel=1e-3)
+    assert multi_instrument_session.pins['site0/PinA', 'site1/PinC'].active_load_ioh == pytest.approx(-0.024, rel=1e-3)
+    assert multi_instrument_session.pins['site0/PinA', 'site1/PinC'].active_load_vcom == pytest.approx(3.0, rel=1e-3)
+
+
 def test_specifications_levels_and_timing_single(multi_instrument_session):
     pinmap = get_test_file_path('specifications_levels_and_timing_single', 'pin_map.pinmap')
     specs = get_test_file_path('specifications_levels_and_timing_single', 'specs.specs')