add test for basic auth

auth/basic_test.go

@@ -0,0 +1,53 @@
+package auth
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func Test_GIVEN_BasicAuthSet_WHEN_CallingIsAllowedWithCorrectCreds_THEN_TrueReturned(t *testing.T) {
+	// assemble
+	username := "u1"
+	password := "p1"
+	request := httptest.NewRequest(http.MethodGet, "http://example.com", nil)
+	request.SetBasicAuth(username, password)
+	provider := NewBasicAuthProvider(username, password)
+
+	// act
+	result := provider.IsAllowed(request)
+
+	// assert
+	if !result {
+		t.Errorf("expected request to be allowed, but failed")
+	}
+}
+
+func Test_GIVEN_BasicAuthSet_WHEN_CallingIsAllowedWithoutCreds_THEN_FalseReturned(t *testing.T) {
+	// assemble
+	request := httptest.NewRequest(http.MethodGet, "http://example.com", nil)
+	provider := NewBasicAuthProvider("u1", "p1")
+
+	// act
+	result := provider.IsAllowed(request)
+
+	// assert
+	if result {
+		t.Errorf("expected request to be denied, but was allowed")
+	}
+}
+
+func Test_GIVEN_BasicAuthSet_WHEN_CallingIsAllowedWithWrongCreds_THEN_FalseReturned(t *testing.T) {
+	// assemble
+	request := httptest.NewRequest(http.MethodGet, "http://example.com", nil)
+	request.SetBasicAuth("wrong", "pw")
+	provider := NewBasicAuthProvider("u1", "p1")
+
+	// act
+	result := provider.IsAllowed(request)
+
+	// assert
+	if result {
+		t.Errorf("expected request to be denied, but was allowed")
+	}
+}