Fix param value bug (#1467)

* set parameter value in the pvalues slice

* update echo version

* update travis yml to fix failing build and add go modules support

* Add tests

* Update router_test.go

Co-authored-by: Vishal Rana <vr@labstack.com>

.travis.yml

@@ -3,6 +3,8 @@ go:
   - 1.12.x
   - 1.13.x
   - tip
+env:
+  - GO111MODULE=on
 install:
   - go get -v golang.org/x/lint/golint
 script:

echo.go

@@ -227,7 +227,7 @@ const (
 
 const (
 	// Version of Echo
-	Version = "4.1.11"
+	Version = "4.1.13"
 	website = "https://echo.labstack.com"
 	// http://patorjk.com/software/taag/#p=display&f=Small%20Slant&t=Echo
 	banner = `

router.go

@@ -412,6 +412,7 @@ func (r *Router) Find(method, path string, c Context) {
 				// Consider param route one level up only
 				// if no slash is remaining in search string
 				if cn = nn.findChildByKind(pkind); cn != nil && strings.IndexByte(ns, '/') == -1 {
+					pvalues[len(cn.pnames)-1] = search
 					break
 				}
 				for {

router_test.go

@@ -1118,6 +1118,42 @@ func TestRouterMixedParams(t *testing.T) {
 	testRouterAPI(t, api2)
 }
 
+// Issue #1466
+func TestRouterParam1466(t *testing.T) {
+	e := New()
+	r := e.router
+
+	r.Add(http.MethodPost, "/users/signup", func(c Context) error {
+		return nil
+	})
+	r.Add(http.MethodPost, "/users/signup/bulk", func(c Context) error {
+		return nil
+	})
+	r.Add(http.MethodPost, "/users/survey", func(c Context) error {
+		return nil
+	})
+	r.Add(http.MethodGet, "/users/:username", func(c Context) error {
+		return nil
+	})
+	r.Add(http.MethodGet, "/interests/:name/users", func(c Context) error {
+		return nil
+	})
+	r.Add(http.MethodGet, "/skills/:name/users", func(c Context) error {
+		return nil
+	})
+
+	c := e.NewContext(nil, nil).(*context)
+
+	r.Find(http.MethodGet, "/users/ajitem", c)
+	assert.Equal(t, "ajitem", c.Param("username"))
+
+	r.Find(http.MethodGet, "/users/sharewithme", c)
+	assert.Equal(t, "sharewithme", c.Param("username"))
+
+	r.Find(http.MethodGet, "/users/signup", c)
+	assert.Equal(t, "", c.Param("username"))
+}
+
 func benchmarkRouterRoutes(b *testing.B, routes []*Route) {
 	e := New()
 	r := e.router