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completed challenge copilot-workshops#2: add tests for power function
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‎test/arithmetic.test.js‎

Lines changed: 165 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -145,7 +145,171 @@ describe('Arithmetic', function () {
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});
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});
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});
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// add tests for power
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describe('Power', function () {
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it('raises a positive integer to a positive integer power', function (done) {
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request.get('/arithmetic?operation=power&operand1=2&operand2=3')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: 8 });
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done();
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});
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});
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it('raises a positive integer to a zero power', function (done) {
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request.get('/arithmetic?operation=power&operand1=2&operand2=0')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: 1 });
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done();
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});
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});
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it('raises a positive integer to a negative integer power', function (done) {
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request.get('/arithmetic?operation=power&operand1=2&operand2=-3')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: 0.125 });
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done();
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});
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});
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it('raises a negative integer to a positive integer power', function (done) {
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request.get('/arithmetic?operation=power&operand1=-2&operand2=3')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: -8 });
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done();
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});
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});
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it('raises a negative integer to a zero power', function (done) {
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request.get('/arithmetic?operation=power&operand1=-2&operand2=0')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: 1 });
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done();
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});
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});
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it('raises a negative integer to a negative integer power', function (done) {
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request.get('/arithmetic?operation=power&operand1=-2&operand2=-3')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: -0.125 });
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done();
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});
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});
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it('raises a floating point number to a positive integer power', function (done) {
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request.get('/arithmetic?operation=power&operand1=2.5&operand2=2')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: 6.25 });
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done();
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});
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});
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it('raises a floating point number to a zero power', function (done) {
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request.get('/arithmetic?operation=power&operand1=2.5&operand2=0')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: 1 });
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done();
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});
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});
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it('raises a floating point number to a negative integer power', function (done) {
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request.get('/arithmetic?operation=power&operand1=2.5&operand2=-2')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: 0.16 });
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done();
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});
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});
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it('raises a negative floating point number to a positive integer power', function (done) {
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request.get('/arithmetic?operation=power&operand1=-2.5&operand2=2')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: 6.25 });
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done();
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});
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});
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it('raises a negative floating point number to a zero power', function (done) {
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request.get('/arithmetic?operation=power&operand1=-2.5&operand2=0')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: 1 });
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done();
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});
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});
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it('raises a negative floating point number to a negative integer power', function (done) {
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request.get('/arithmetic?operation=power&operand1=-2.5&operand2=-2')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: 0.16 });
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done();
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});
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});
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it('raises a positive integer to a floating point number power', function (done) {
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request.get('/arithmetic?operation=power&operand1=2&operand2=0.5')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: 1.4142135623730951 });
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done();
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});
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});
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it('raises a positive integer to a negative floating point number power', function (done) {
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request.get('/arithmetic?operation=power&operand1=2&operand2=-0.5')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: 0.7071067811865475 });
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done();
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});
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});
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it('raises a negative integer to a floating point number power', function (done) {
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request.get('/arithmetic?operation=power&operand1=-2&operand2=0.5')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: null });
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done();
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});
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});
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it('raises a negative integer to a negative floating point number power', function (done) {
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request.get('/arithmetic?operation=power&operand1=-2&operand2=-0.5')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: null });
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done();
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});
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});
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it('raises a floating point number to a floating point number power', function (done) {
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request.get('/arithmetic?operation=power&operand1=2.5&operand2=0.5')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: 1.5811388300841898 });
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done();
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});
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});
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it('raises a floating point number to a negative floating point number power', function (done) {
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request.get('/arithmetic?operation=power&operand1=2.5&operand2=-0.5')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: 0.6324555320336759 });
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done();
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});
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});
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it('raises a negative floating point number to a floating point number power', function (done) {
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request.get('/arithmetic?operation=power&operand1=-2.5&operand2=0.5')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: null });
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done();
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});
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});
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it('raises a negative floating point number to a negative floating point number power', function (done) {
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request.get('/arithmetic?operation=power&operand1=-2.5&operand2=-0.5')
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.expect(200)
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.end(function (err, res) {
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expect(res.body).to.eql({ result: null });
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done();
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});
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});
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});
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describe('Multiplication', function () {
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it('multiplies two positive integers', function (done) {
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request.get('/arithmetic?operation=multiply&operand1=21&operand2=2')

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