diff --git a/core/alerting_test.go b/core/alerting_test.go
new file mode 100644
index 00000000..ff0ecad9
--- /dev/null
+++ b/core/alerting_test.go
@@ -0,0 +1,48 @@
+package core
+
+import (
+	"io/ioutil"
+	"testing"
+)
+
+func TestCustomAlertProvider_buildRequestWhenResolved(t *testing.T) {
+	const (
+		ExpectedUrl  = "http://example.com/service-name"
+		ExpectedBody = "service-name,alert-description,RESOLVED"
+	)
+	customAlertProvider := &CustomAlertProvider{
+		Url:     "http://example.com/[SERVICE_NAME]",
+		Method:  "GET",
+		Body:    "[SERVICE_NAME],[ALERT_DESCRIPTION],[ALERT_TRIGGERED_OR_RESOLVED]",
+		Headers: nil,
+	}
+	request := customAlertProvider.buildRequest("service-name", "alert-description", true)
+	if request.URL.String() != ExpectedUrl {
+		t.Error("expected URL to be", ExpectedUrl, "was", request.URL.String())
+	}
+	body, _ := ioutil.ReadAll(request.Body)
+	if string(body) != ExpectedBody {
+		t.Error("expected body to be", ExpectedBody, "was", string(body))
+	}
+}
+
+func TestCustomAlertProvider_buildRequestWhenTriggered(t *testing.T) {
+	const (
+		ExpectedUrl  = "http://example.com/service-name"
+		ExpectedBody = "service-name,alert-description,TRIGGERED"
+	)
+	customAlertProvider := &CustomAlertProvider{
+		Url:     "http://example.com/[SERVICE_NAME]",
+		Method:  "GET",
+		Body:    "[SERVICE_NAME],[ALERT_DESCRIPTION],[ALERT_TRIGGERED_OR_RESOLVED]",
+		Headers: nil,
+	}
+	request := customAlertProvider.buildRequest("service-name", "alert-description", false)
+	if request.URL.String() != ExpectedUrl {
+		t.Error("expected URL to be", ExpectedUrl, "was", request.URL.String())
+	}
+	body, _ := ioutil.ReadAll(request.Body)
+	if string(body) != ExpectedBody {
+		t.Error("expected body to be", ExpectedBody, "was", string(body))
+	}
+}