feat: tests on registry parameters gathering

Author: gpongelli

tests/test_registry_params.py

@@ -0,0 +1,71 @@
+from gpio_expander import _get_registry_params
+import pytest
+
+
+def test_value_16():
+    _, _w, _, _ = _get_registry_params(16, 1)
+    assert _w == 2
+
+
+def test_value_8():
+    _, _w, _, _ = _get_registry_params(8, 1)
+    assert _w == 1
+
+
+@pytest.mark.parametrize(
+    "x_input,exp_name,exp_addr_mul,exp_adder,exp_idx",
+    [
+        pytest.param(0, "0_", 2, 0, 0, id="input 0"),
+        pytest.param(1, "0_", 2, 0, 1, id="input 1"),
+        pytest.param(2, "0_", 2, 0, 2, id="input 2"),
+        pytest.param(3, "0_", 2, 0, 3, id="input 3"),
+        pytest.param(4, "0_", 2, 0, 4, id="input 4"),
+        pytest.param(5, "0_", 2, 0, 5, id="input 5"),
+        pytest.param(6, "0_", 2, 0, 6, id="input 6"),
+        pytest.param(7, "0_", 2, 0, 7, id="input 7"),
+
+        pytest.param(8, "1_", 2, 1, 0, id="input 8"),
+        pytest.param(9, "1_", 2, 1, 1, id="input 9"),
+        pytest.param(10, "1_", 2, 1, 2, id="input 10"),
+        pytest.param(11, "1_", 2, 1, 3, id="input 11"),
+        pytest.param(12, "1_", 2, 1, 4, id="input 12"),
+        pytest.param(13, "1_", 2, 1, 5, id="input 13"),
+        pytest.param(14, "1_", 2, 1, 6, id="input 14"),
+        pytest.param(15, "1_", 2, 1, 7, id="input 15")
+    ]
+)
+def test_loop_16(x_input, exp_name, exp_addr_mul, exp_adder, exp_idx):
+    _name, _reg_address_multiplier, _adder, _idx = _get_registry_params(16, x_input)
+    print(_name)
+    print(_reg_address_multiplier)
+    print(_adder)
+    print(_idx)
+    assert _name == exp_name
+    assert _reg_address_multiplier == exp_addr_mul
+    assert _adder == exp_adder
+    assert _idx == exp_idx
+
+
+@pytest.mark.parametrize(
+    "x_input,exp_name,exp_addr_mul,exp_adder,exp_idx",
+    [
+        pytest.param(0, "", 1, 0, 0, id="input 0"),
+        pytest.param(1, "", 1, 0, 1, id="input 1"),
+        pytest.param(2, "", 1, 0, 2, id="input 2"),
+        pytest.param(3, "", 1, 0, 3, id="input 3"),
+        pytest.param(4, "", 1, 0, 4, id="input 4"),
+        pytest.param(5, "", 1, 0, 5, id="input 5"),
+        pytest.param(6, "", 1, 0, 6, id="input 6"),
+        pytest.param(7, "", 1, 0, 7, id="input 7"),
+    ]
+)
+def test_loop_8(x_input, exp_name, exp_addr_mul, exp_adder, exp_idx):
+    _name, _reg_address_multiplier, _adder, _idx = _get_registry_params(8, x_input)
+    print(_name)
+    print(_reg_address_multiplier)
+    print(_adder)
+    print(_idx)
+    assert _name == exp_name
+    assert _reg_address_multiplier == exp_addr_mul
+    assert _adder == exp_adder
+    assert _idx == exp_idx