Separate classes into files

Author: palatinb

test_add.py

@@ -0,0 +1,20 @@
+import pytest
+
+import calculator
+
+
+class TestAddClass:
+    calc = calculator.Calculator()
+
+    def test_add_(self):
+        assert self.calc.add(3, 5) == 8
+
+    def test_add_with_one_negative(self):
+        assert self.calc.add(-5, 5) == 0
+
+    def test_add_with_two_negative(self):
+        assert self.calc.add(-5, -5) == -10
+
+    def test_type_error(self):
+        with pytest.raises(TypeError):
+            self.calc.add(3, '6')

test_all.py

@@ -0,0 +1,27 @@
+import pytest
+
+import calculator
+
+
+class TestDivClass:
+    calc = calculator.Calculator()
+
+    def test_division_with_zero(self):
+        with pytest.raises(ZeroDivisionError):
+            self.calc.div(213213, 0)
+
+    def test_division(self):
+        assert self.calc.div(5555, 5) == 1111
+
+    def test_division_with_one_negative(self):
+        assert self.calc.div(-54, 9) == -6
+
+    def test_division_with_two_negative(self):
+        assert self.calc.div(-35, -5) == 7
+
+    def test_division_part(self):
+        assert self.calc.div(10, 4) == 2.5
+
+    def test_type_error(self):
+        with pytest.raises(TypeError):
+            self.calc.add(3, '6')

test_div.py

@@ -0,0 +1,22 @@
+import pytest
+import calculator
+
+
+class TestMulClass:
+    calc = calculator.Calculator()
+
+    def test_multiple_with_zero(self):
+        assert self.calc.mul(213213, 0) == 0
+
+    def test_multiple(self):
+        assert self.calc.mul(12, 22) == 264
+
+    def test_multiple_with_one_negative(self):
+        assert self.calc.mul(12, -3) == -36
+
+    def test_multiple_with_two_negative(self):
+        assert self.calc.mul(-35, -22) == 770
+
+    def test_type_error(self):
+        with pytest.raises(TypeError):
+            self.calc.add(3, '6')

test_mul.py

@@ -0,0 +1,25 @@
+import math
+import pytest
+
+import calculator
+
+
+class TestRemClass:
+    calc = calculator.Calculator()
+
+    def test_rem_with_zero(self):
+        with pytest.raises(ZeroDivisionError):
+            self.calc.div(24, 0)
+
+    def test_rem(self):
+        assert self.calc.rem(13, 5) == 3
+
+    def test_rem_with_one_negative(self):
+        assert self.calc.rem(-13, 5) == -13 - (math.floor((-13 / 5)) * 5)
+
+    def test_rem_with_two_negative(self):
+        assert self.calc.rem(-35, -5) == -35 - math.floor(-35 / -5) * -5
+
+    def test_type_error(self):
+        with pytest.raises(TypeError):
+            self.calc.add(3, '6')

test_rem.py

@@ -0,0 +1,19 @@
+import pytest
+import calculator
+
+
+class TestSubClass:
+    calc = calculator.Calculator()
+
+    def test_sub(self):
+        assert self.calc.sub(3, 5) == -2
+
+    def test_sub_with_one_negative(self):
+        assert self.calc.sub(-5, 5) == -10
+
+    def test_sub_with_two_negative(self):
+        assert self.calc.sub(-5, -5) == 0
+
+    def test_type_error(self):
+        with pytest.raises(TypeError):
+            self.calc.add(3, '6')