Basic api tests

Author: self-init

.github/workflows/python-app.yml

@@ -37,6 +37,6 @@ jobs:
     - name: Test with doctest
       run: |
         python -m doctest -v calculator/api/calculator.py
-#    - name: Test with pytest
-#      run: |
-#        pytest
+    - name: Test with pytest
+      run: |
+        pytest

tests/api_test.py

@@ -0,0 +1,41 @@
+import pytest
+from calculator.api import *
+
+@pytest.mark.parametrize("test_input,expected", [
+    ([1], "1"),
+    (["1"], "1"),
+    ([1, Operator.ADD, 1], "1 + 1"),
+    (["1", Operator.ADD, "1"], "1 + 1"),
+    ([1, Operator.SUBTRACT], "1 -"),
+    ([1, Operator.DIVIDE], "1 /"),
+    ([1, Operator.MULTIPLY], "1 x"),
+    ([2.6, Operator.ADD, 1.4], "2.6 + 1.4")
+])
+def test_get_set_equation(test_input, expected):
+    calc = Calculator()
+    calc.set_equation(*test_input)
+    assert calc.get_equation() == expected
+
+@pytest.mark.parametrize("test_input,expected", [
+    ([1, Operator.ADD, 1], "2"),
+    ([1, Operator.SUBTRACT, 2], "-1"),
+    ([1, Operator.DIVIDE, 2], "0.5"),
+    ([2, Operator.MULTIPLY, 4], "8")
+])
+def test_solve_equation(test_input, expected):
+    calc = Calculator()
+    calc.set_equation(*test_input)
+    calc.solve()
+    assert calc.get_equation() == expected
+
+@pytest.mark.parametrize("test_input,expected", [
+    (1, "-1"),
+    (-1, "1"),
+    ("1", "-1"),
+    ("-1", "1")
+])
+def test_flip_sign(test_input, expected):
+    calc = Calculator()
+    calc.set_equation(test_input)
+    calc.flip_sign()
+    assert calc.get_equation() == expected