move math-area tests to test folder

Maths/test/Area.test.js

@@ -0,0 +1,99 @@
+import * as area from '../Area'
+
+describe('Testing surfaceAreaCube calculations', () => {
+  it('with natural number', () => {
+    const surfaceAreaOfOne = area.surfaceAreaCube(1.2)
+    const surfaceAreaOfThree = area.surfaceAreaCube(3)
+    expect(surfaceAreaOfOne).toBe(8.64)
+    expect(surfaceAreaOfThree).toBe(54)
+  })
+  it('with negative argument, expect throw', () => {
+    expect(() => area.surfaceAreaCube(-1)).toThrow()
+  })
+  it('with non-numeric argument, expect throw', () => {
+    expect(() => area.surfaceAreaCube('199')).toThrow()
+  })
+})
+describe('Testing surfaceAreaSphere calculations', () => {
+  it('with correct value', () => {
+    const calculateArea = area.surfaceAreaSphere(5)
+    const expected = 314.1592653589793
+    expect(calculateArea).toBe(expected)
+  })
+  it('with negative value, expect throw', () => {
+    expect(() => area.surfaceAreaSphere(-1)).toThrow()
+  })
+})
+describe('Testing areaRectangle calculations', () => {
+  it('with correct args', () => {
+    const areaRectangle = area.areaRectangle(2.5, 2)
+    expect(areaRectangle).toBe(5.0)
+  })
+  it('with incorrect args, expect throw', () => {
+    expect(() => area.areaRectangle(-1, 20)).toThrow()
+    expect(() => area.areaRectangle('1', 0)).toThrow()
+    expect(() => area.areaRectangle(23, -1)).toThrow()
+    expect(() => area.areaRectangle(23, 'zero')).toThrow()
+  })
+})
+describe('Testing areaSquare calculations', () => {
+  it('with correct args', () => {
+    const areaSquare = area.areaSquare(2.5)
+    expect(areaSquare).toBe(6.25)
+  })
+  it('with incorrect side length, expect throw', () => {
+    expect(() => area.areaSquare(-1)).toThrow()
+    expect(() => area.areaSquare('zero')).toThrow()
+  })
+})
+describe('Testing areaTriangle calculations', () => {
+  it('with correct args', () => {
+    const areaTriangle = area.areaTriangle(1.66, 3.44)
+    expect(areaTriangle).toBe(2.8552)
+  })
+  it('with incorrect base and height, expect throw', () => {
+    expect(() => area.areaTriangle(-1, 1)).toThrow()
+    expect(() => area.areaTriangle(9, 'zero')).toThrow()
+  })
+})
+describe('Testing areaParallelogram calculations', () => {
+  it('with correct args', () => {
+    const areaParallelogram = area.areaParallelogram(1.66, 3.44)
+    expect(areaParallelogram).toBe(5.7104)
+  })
+  it('with incorrect base and height, expect throw', () => {
+    expect(() => area.areaParallelogram(-1, 1)).toThrow()
+    expect(() => area.areaParallelogram(9, 'zero')).toThrow()
+  })
+})
+describe('Testing areaTrapezium calculations', () => {
+  it('with correct args', () => {
+    const areaTrapezium = area.areaTrapezium(1.66, 2.41, 4.1)
+    expect(areaTrapezium).toBe(8.3435)
+  })
+  it('with incorrect bases and height, expect throw', () => {
+    expect(() => area.areaTrapezium(-1, 1, 0)).toThrow()
+    expect(() => area.areaTrapezium(9, 'zero', 2)).toThrow()
+    expect(() => area.areaTrapezium(9, 1, 'seven')).toThrow()
+  })
+})
+describe('Testing areaCircle calculations', () => {
+  it('with correct args', () => {
+    const areaCircle = area.areaCircle(3.456)
+    expect(areaCircle).toBe(37.52298159254666)
+  })
+  it('with incorrect diagonal, expect throw', () => {
+    expect(() => area.areaCircle(-1)).toThrow()
+    expect(() => area.areaCircle('zero')).toThrow()
+  })
+})
+describe('Testing areaRhombus calculations', () => {
+  it('with correct args', () => {
+    const areaRhombus = area.areaRhombus(2.5, 2.0)
+    expect(areaRhombus).toBe(2.5)
+  })
+  it('with incorrect diagonals, expect throw', () => {
+    expect(() => area.areaRhombus(7, -1)).toThrow()
+    expect(() => area.areaRhombus('zero', 2)).toThrow()
+  })
+})