Moved unit test files inside same directory as test target

The unit tests were inside the `gateway/tests` directory which had no
effect to the coverage for `go test`. Therefore, moved the tests inside
the same directory as the test target.

Signed-off-by: Ken Fukuyama <kenfdev@gmail.com>

gateway/requests/forward_request_test.go

@@ -0,0 +1,73 @@
+package requests
+
+import (
+	"net/http"
+	"testing"
+)
+
+func TestFormattingOfURLWithPath_NoQuery(t *testing.T) {
+	req := ForwardRequest{
+		RawQuery: "",
+		RawPath:  "/encode/utf8/",
+		Method:   http.MethodPost,
+	}
+
+	url := req.ToURL("markdown", 8080)
+	want := "http://markdown:8080/encode/utf8/"
+	if url != want {
+		t.Logf("Got: %s, want: %s", url, want)
+		t.Fail()
+	}
+}
+
+func TestFormattingOfURLAtRoot_NoQuery(t *testing.T) {
+	req := ForwardRequest{
+		RawQuery: "",
+		RawPath:  "/",
+		Method:   http.MethodPost,
+	}
+
+	url := req.ToURL("markdown", 8080)
+	want := "http://markdown:8080/"
+	if url != want {
+		t.Logf("Got: %s, want: %s", url, want)
+		t.Fail()
+	}
+}
+
+// experimental test
+// func TestMyURL(t *testing.T) {
+// 	v, _ := url.Parse("http://markdown/site?query=test")
+// 	t.Logf("RequestURI %s", v.RequestURI())
+// 	t.Logf("extra %s", v.Path)
+// }
+
+func TestUrlForFlask(t *testing.T) {
+	req := ForwardRequest{
+		RawQuery: "query=uptime",
+		RawPath:  "/function/flask",
+		Method:   http.MethodPost,
+	}
+
+	url := req.ToURL("flask", 8080)
+	want := "http://flask:8080/function/flask?query=uptime"
+	if url != want {
+		t.Logf("Got: %s, want: %s", url, want)
+		t.Fail()
+	}
+}
+
+func TestFormattingOfURL_OneQuery(t *testing.T) {
+	req := ForwardRequest{
+		RawQuery: "name=alex",
+		RawPath:  "/",
+		Method:   http.MethodPost,
+	}
+
+	url := req.ToURL("flask", 8080)
+	want := "http://flask:8080/?name=alex"
+	if url != want {
+		t.Logf("Got: %s, want: %s", url, want)
+		t.Fail()
+	}
+}

gateway/requests/prometheus_test.go

@@ -0,0 +1,88 @@
+// Copyright (c) Alex Ellis 2017. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+package requests
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+// TestUnmarshallAlert is an exploratory test from TDD'ing the struct to parse a Prometheus alert
+func TestUnmarshallAlert(t *testing.T) {
+	file := []byte(`{
+    "receiver": "scale-up",
+    "status": "firing",
+    "alerts": [{
+        "status": "firing",
+        "labels": {
+            "alertname": "APIHighInvocationRate",
+            "code": "200",
+            "function_name": "func_nodeinfo",
+            "instance": "gateway:8080",
+            "job": "gateway",
+            "monitor": "faas-monitor",
+            "service": "gateway",
+            "severity": "major",
+            "value": "8.998200359928017"
+        },
+        "annotations": {
+            "description": "High invocation total on gateway:8080",
+            "summary": "High invocation total on gateway:8080"
+        },
+        "startsAt": "2017-03-15T15:52:57.805Z",
+        "endsAt": "0001-01-01T00:00:00Z",
+        "generatorURL": "http://4156cb797423:9090/graph?g0.expr=rate%28gateway_function_invocation_total%5B10s%5D%29+%3E+5\u0026g0.tab=0"
+    }],
+    "groupLabels": {
+        "alertname": "APIHighInvocationRate",
+        "service": "gateway"
+    },
+    "commonLabels": {
+        "alertname": "APIHighInvocationRate",
+        "code": "200",
+        "function_name": "func_nodeinfo",
+        "instance": "gateway:8080",
+        "job": "gateway",
+        "monitor": "faas-monitor",
+        "service": "gateway",
+        "severity": "major",
+        "value": "8.998200359928017"
+    },
+    "commonAnnotations": {
+        "description": "High invocation total on gateway:8080",
+        "summary": "High invocation total on gateway:8080"
+    },
+    "externalURL": "http://f054879d97db:9093",
+    "version": "3",
+    "groupKey": 18195285354214864953
+}`)
+
+	var alert PrometheusAlert
+	err := json.Unmarshal(file, &alert)
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if (len(alert.Status)) == 0 {
+		t.Fatal("No status read")
+	}
+
+	if (len(alert.Receiver)) == 0 {
+		t.Fatal("No status read")
+	}
+
+	if (len(alert.Alerts)) == 0 {
+		t.Fatal("No alerts read")
+	}
+
+	if (len(alert.Alerts[0].Labels.AlertName)) == 0 {
+		t.Fatal("No alerts name")
+	}
+
+	if (len(alert.Alerts[0].Labels.FunctionName)) == 0 {
+		t.Fatal("No function name read")
+	}
+
+}