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verifier_test.go
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verifier_test.go
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package main
import (
"bytes"
"errors"
"fmt"
"io/ioutil"
"net/http"
"testing"
"github.com/smartystreets/gunit"
)
func TestVerifierFixture(t *testing.T) {
gunit.Run(new(VerifierFixture), t)
}
type VerifierFixture struct {
*gunit.Fixture
client *FakeHttpClient // client to perfom http request
verifier *SmartyVerifier // verifier which takes input address and sends to smartyVerifier
}
func (this *VerifierFixture) Setup() {
this.client = &FakeHttpClient{} // stub the client
this.verifier = NewSmartyVerifier(this.client) // stub the verifier by passing dependent http client
}
func (this *VerifierFixture) TestRequestComposedProperly() {
input := AddressInput{
Street1: "Street1",
City: "City",
State: "State",
ZIPCode: "ZIPCode",
}
this.client.Configure("[{}]", http.StatusOK, nil)
this.verifier.Verify(input)
this.AssertEqual("GET", this.client.request.Method)
this.AssertEqual("/street-address", this.client.request.URL.Path)
this.AssertQueryStringValue("street", input.Street1)
this.AssertQueryStringValue("city", input.City)
this.AssertQueryStringValue("state", input.State)
this.AssertQueryStringValue("zipCode", input.ZIPCode)
}
func (this *VerifierFixture) TestResponseParseRead() {
this.client.Configure(rawJSONOutput, http.StatusOK, nil)
result := this.verifier.Verify(AddressInput{})
this.AssertEqual("1 Santa Claus Ln", result.DeliveryLine1)
this.AssertEqual("North Pole AK 99705-9901", result.LastLine)
this.AssertEqual("North Pole", result.City)
this.AssertEqual("AK", result.State)
this.AssertEqual("99705", result.ZIPCode)
}
func (this *VerifierFixture) TestMalformedJSONHandled() {
const malformedJSONOutput = `alert('Hello World!', DROP TABLE Users);`
this.client.Configure(malformedJSONOutput, http.StatusOK, nil)
result := this.verifier.Verify(AddressInput{})
this.AssertEqual("Invalid API Response", result.Status)
}
func (this *VerifierFixture) TestHTTPErrorHandled() {
this.client.Configure("", 0, errors.New("GOPHERS!"))
result := this.verifier.Verify(AddressInput{})
this.AssertEqual("Invalid API Response", result.Status)
}
func (this *VerifierFixture) TestHTTPResponseBodyClosed() {
this.client.Configure(rawJSONOutput, http.StatusOK, nil)
this.verifier.Verify(AddressInput{})
this.AssertEqual(1, this.client.responseBody.closed)
}
func (this *VerifierFixture) TestAddressStatus() {
var (
deliverableJSON = buildAnalysisJSON("Y", "N", "Y")
missingSecondaryJSON = buildAnalysisJSON("D", "N", "Y")
droppedSecondaryJSON = buildAnalysisJSON("S", "N", "Y")
vacantJSON = buildAnalysisJSON("Y", "Y", "Y")
inactiveJSON = buildAnalysisJSON("Y", "N", "N")
invalidJSON = buildAnalysisJSON("N", "?", "?")
)
this.verifyAndAssertStatus(deliverableJSON, "Deliverable")
this.verifyAndAssertStatus(missingSecondaryJSON, "Deliverable")
this.verifyAndAssertStatus(droppedSecondaryJSON, "Deliverable")
this.verifyAndAssertStatus(vacantJSON, "Vacant")
this.verifyAndAssertStatus(inactiveJSON, "Inactive")
this.verifyAndAssertStatus(invalidJSON, "Invalid")
}
func (this *VerifierFixture) verifyAndAssertStatus(jsonResponse, expectedStatus string) {
this.client.Configure(jsonResponse, http.StatusOK, nil)
output := this.verifier.Verify(AddressInput{})
this.AssertEqual(expectedStatus, output.Status)
}
func buildAnalysisJSON(match, vacant, active string) string {
template := `
[
{
"analysis": {
"dpv_match_code":"%s",
"dpv_vacant":"%s",
"active":"%s"
}
}
]`
return fmt.Sprintf(template, match, vacant, active)
}
const rawJSONOutput = `
[
{
"delivery_line_1": "1 Santa Claus Ln",
"last_line": "North Pole AK 99705-9901",
"components": {
"city_name": "North Pole",
"state_abbreviation": "AK",
"zipcode": "99705"
}
}
]`
func (this *VerifierFixture) AssertQueryStringValue(key, expected string) {
query := this.client.request.URL.Query()
this.AssertEqual(expected, query.Get(key))
}
func (this *VerifierFixture) rawQuery() string {
return this.client.request.URL.RawQuery
}
//////////////////////////////////////////////
type FakeHttpClient struct {
request *http.Request
response *http.Response
responseBody *VerifierSpyBuffer
err error
}
func NewFakeHTTPClient(responseText string, StatusCode int, err error) *FakeHttpClient {
return &FakeHttpClient{
response: &http.Response{
Body: ioutil.NopCloser(bytes.NewBufferString(responseText)),
StatusCode: StatusCode,
},
err: err,
}
}
func (this *FakeHttpClient) Configure(responseText string, statusCode int, err error) {
if err == nil {
this.responseBody = NewVerifierSpyBuffer(responseText)
this.response = &http.Response{
Body: this.responseBody,
StatusCode: statusCode,
}
}
this.err = err
}
func (this *FakeHttpClient) Do(request *http.Request) (*http.Response, error) {
this.request = request
return this.response, this.err
}
//////////////////////////////////////////////
type VerifierSpyBuffer struct {
*bytes.Buffer
closed int
}
func NewVerifierSpyBuffer(value string) *VerifierSpyBuffer {
return &VerifierSpyBuffer{
Buffer: bytes.NewBufferString(value),
}
}
func (this *VerifierSpyBuffer) Close() error {
this.closed++
this.Buffer.Reset()
return nil
}