remove unused code

gateway/src/apicast/upstream.lua

@@ -86,16 +86,6 @@ function _M:resolve()
     return res
 end
 
---- Return port to use when connecting to upstream.
---- @treturn number port number
-function _M:port()
-    if not self or not self.uri then
-        return nil, 'not initialized'
-    end
-
-    return self.uri.port or resty_url.default_port(self.uri.scheme)
-end
-
 local root_uri = {
     ['/'] = true,
     [''] = true,

spec/proxy_spec.lua

@@ -52,12 +52,6 @@ describe('Proxy', function()
     local get_upstream
     before_each(function() get_upstream = proxy.get_upstream end)
 
-    it('sets correct upstream port', function()
-      assert.same(443, get_upstream({ api_backend = 'https://example.com' }):port())
-      assert.same(80, get_upstream({ api_backend = 'http://example.com' }):port())
-      assert.same(8080, get_upstream({ api_backend = 'http://example.com:8080' }):port())
-    end)
-
     it("on invalid api_backend return error", function()
       local upstream, err = get_upstream({ api_backend = 'test.com' })
       assert.falsy(upstream)

spec/upstream_spec.lua

@@ -52,21 +52,6 @@ describe('Upstream', function()
         end)
     end)
 
-    describe(':port', function()
-        it('returns port from the URI', function()
-            assert.same(8090, Upstream.new('http://host:8090'):port())
-        end)
-
-        it('returns default port for the scheme when none is provided', function()
-            assert.same(443, Upstream.new('https://example.com'):port())
-        end)
-
-        it('returns nil when port is unknown', function()
-            assert.is_nil(Upstream.new('ftp://example.com'):port())
-        end)
-    end)
-
-
     describe(':append_path', function()
         it('return valid path when is not set', function()
             local up = Upstream.new('http://host:8090')