Move Healthcheck to middleware/pkg/healthcheck (#854)

* Move healthcheck out

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Move healthcheck to middleware/pkg/healthcheck

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

1 files changed, 0 insertions, 88 deletions

diff --git a/middleware/proxy/policy_test.go b/middleware/proxy/policy_test.go
deleted file mode 100644
index 24fd3efdc..000000000
--- a/middleware/proxy/policy_test.go
+++ /dev/null
@@ -1,88 +0,0 @@
-package proxy
-
-import (
-	"net/http"
-	"net/http/httptest"
-	"os"
-	"testing"
-	"time"
-)
-
-var workableServer *httptest.Server
-
-func TestMain(m *testing.M) {
-	workableServer = httptest.NewServer(http.HandlerFunc(
-		func(w http.ResponseWriter, r *http.Request) {
-			// do nothing
-		}))
-	r := m.Run()
-	workableServer.Close()
-	os.Exit(r)
-}
-
-type customPolicy struct{}
-
-func (r *customPolicy) Select(pool HostPool) *UpstreamHost {
-	return pool[0]
-}
-
-func testPool() HostPool {
-	pool := []*UpstreamHost{
-		{
-			Name: workableServer.URL, // this should resolve (healthcheck test)
-		},
-		{
-			Name: "http://shouldnot.resolve", // this shouldn't
-		},
-		{
-			Name: "http://C",
-		},
-	}
-	return HostPool(pool)
-}
-
-func TestRoundRobinPolicy(t *testing.T) {
-	pool := testPool()
-	rrPolicy := &RoundRobin{}
-	h := rrPolicy.Select(pool)
-	// First selected host is 1, because counter starts at 0
-	// and increments before host is selected
-	if h != pool[1] {
-		t.Error("Expected first round robin host to be second host in the pool.")
-	}
-	h = rrPolicy.Select(pool)
-	if h != pool[2] {
-		t.Error("Expected second round robin host to be third host in the pool.")
-	}
-	// mark host as down
-	pool[0].OkUntil = time.Unix(0, 0)
-	h = rrPolicy.Select(pool)
-	if h != pool[1] {
-		t.Error("Expected third round robin host to be first host in the pool.")
-	}
-}
-
-func TestLeastConnPolicy(t *testing.T) {
-	pool := testPool()
-	lcPolicy := &LeastConn{}
-	pool[0].Conns = 10
-	pool[1].Conns = 10
-	h := lcPolicy.Select(pool)
-	if h != pool[2] {
-		t.Error("Expected least connection host to be third host.")
-	}
-	pool[2].Conns = 100
-	h = lcPolicy.Select(pool)
-	if h != pool[0] && h != pool[1] {
-		t.Error("Expected least connection host to be first or second host.")
-	}
-}
-
-func TestCustomPolicy(t *testing.T) {
-	pool := testPool()
-	customPolicy := &customPolicy{}
-	h := customPolicy.Select(pool)
-	if h != pool[0] {
-		t.Error("Expected custom policy host to be the first host.")
-	}
-}