From 60d6b27b964d149f51bca5d1990698700e280051 Mon Sep 17 00:00:00 2001
From: Rasmus Dahlberg <rasmus.dahlberg@kau.se>
Date: Mon, 7 Jun 2021 16:03:36 +0200
Subject: added more instance tests

---
 pkg/instance/instance_test.go | 77 +++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 74 insertions(+), 3 deletions(-)

(limited to 'pkg/instance/instance_test.go')

diff --git a/pkg/instance/instance_test.go b/pkg/instance/instance_test.go
index 45a2837..f864628 100644
--- a/pkg/instance/instance_test.go
+++ b/pkg/instance/instance_test.go
@@ -1,9 +1,80 @@
 package stfe
 
 import (
+	"net/http"
+	"net/http/httptest"
 	"testing"
+
+	"github.com/system-transparency/stfe/pkg/types"
 )
 
-func TestHandlers(t *testing.T)  {}
-func TestPath(t *testing.T)      {}
-func TestServeHTTP(t *testing.T) {}
+// TestHandlers check that the expected handlers are configured
+func TestHandlers(t *testing.T) {
+	endpoints := map[types.Endpoint]bool{
+		types.EndpointAddLeaf:             false,
+		types.EndpointAddCosignature:      false,
+		types.EndpointGetTreeHeadLatest:   false,
+		types.EndpointGetTreeHeadToSign:   false,
+		types.EndpointGetTreeHeadCosigned: false,
+		types.EndpointGetConsistencyProof: false,
+		types.EndpointGetProofByHash:      false,
+		types.EndpointGetLeaves:           false,
+	}
+	i := &Instance{
+		Config: testConfig,
+	}
+	for _, handler := range i.Handlers() {
+		if _, ok := endpoints[handler.Endpoint]; !ok {
+			t.Errorf("got unexpected endpoint: %s", handler.Endpoint)
+		}
+		endpoints[handler.Endpoint] = true
+	}
+	for endpoint, ok := range endpoints {
+		if !ok {
+			t.Errorf("endpoint %s is not configured", endpoint)
+		}
+	}
+}
+
+// TestServeHTTP checks that invalid HTTP methods are rejected
+func TestServeHTTP(t *testing.T) {
+	i := &Instance{
+		Config: testConfig,
+	}
+	for _, handler := range i.Handlers() {
+		// Prepare invalid HTTP request
+		method := http.MethodPost
+		if method == handler.Method {
+			method = http.MethodGet
+		}
+		url := handler.Endpoint.Path("http://example.com", i.Prefix)
+		req, err := http.NewRequest(method, url, nil)
+		if err != nil {
+			t.Fatalf("must create HTTP request: %v", err)
+		}
+		w := httptest.NewRecorder()
+
+		// Check that it is rejected
+		handler.ServeHTTP(w, req)
+		if got, want := w.Code, http.StatusMethodNotAllowed; got != want {
+			t.Errorf("got HTTP code %v but wanted %v for endpoint %q", got, want, handler.Endpoint)
+		}
+	}
+}
+
+func TestPath(t *testing.T) {
+	instance := &Instance{
+		Config: Config{
+			Prefix: "testonly",
+		},
+	}
+	handler := Handler{
+		Instance: instance,
+		Handler:  addLeaf,
+		Endpoint: types.EndpointAddLeaf,
+		Method:   http.MethodPost,
+	}
+	if got, want := handler.Path(), "testonly/st/v0/add-leaf"; got != want {
+		t.Errorf("got path %v but wanted %v", got, want)
+	}
+}
-- 
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