mirror of https://github.com/grpc/grpc-go.git
114 lines
3.5 KiB
Go
114 lines
3.5 KiB
Go
/*
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*
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* Copyright 2017 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package grpc
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import (
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"fmt"
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"net"
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"testing"
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"time"
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"google.golang.org/grpc/resolver"
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)
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func TestParseTarget(t *testing.T) {
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for _, test := range []resolver.Target{
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{"dns", "", "google.com"},
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{"dns", "a.server.com", "google.com"},
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{"dns", "a.server.com", "google.com/?a=b"},
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{"passthrough", "", "/unix/socket/address"},
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} {
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str := test.Scheme + "://" + test.Authority + "/" + test.Endpoint
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got := parseTarget(str)
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if got != test {
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t.Errorf("parseTarget(%q) = %+v, want %+v", str, got, test)
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}
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}
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}
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func TestParseTargetString(t *testing.T) {
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for _, test := range []struct {
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targetStr string
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want resolver.Target
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}{
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{"", resolver.Target{"", "", ""}},
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{":///", resolver.Target{"", "", ""}},
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{"a:///", resolver.Target{"a", "", ""}},
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{"://a/", resolver.Target{"", "a", ""}},
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{":///a", resolver.Target{"", "", "a"}},
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{"a://b/", resolver.Target{"a", "b", ""}},
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{"a:///b", resolver.Target{"a", "", "b"}},
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{"://a/b", resolver.Target{"", "a", "b"}},
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{"a://b/c", resolver.Target{"a", "b", "c"}},
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{"dns:///google.com", resolver.Target{"dns", "", "google.com"}},
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{"dns://a.server.com/google.com", resolver.Target{"dns", "a.server.com", "google.com"}},
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{"dns://a.server.com/google.com/?a=b", resolver.Target{"dns", "a.server.com", "google.com/?a=b"}},
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{"/", resolver.Target{"", "", "/"}},
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{"google.com", resolver.Target{"", "", "google.com"}},
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{"google.com/?a=b", resolver.Target{"", "", "google.com/?a=b"}},
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{"/unix/socket/address", resolver.Target{"", "", "/unix/socket/address"}},
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// If we can only parse part of the target.
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{"://", resolver.Target{"", "", "://"}},
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{"unix://domain", resolver.Target{"", "", "unix://domain"}},
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{"a:b", resolver.Target{"", "", "a:b"}},
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{"a/b", resolver.Target{"", "", "a/b"}},
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{"a:/b", resolver.Target{"", "", "a:/b"}},
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{"a//b", resolver.Target{"", "", "a//b"}},
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{"a://b", resolver.Target{"", "", "a://b"}},
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} {
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got := parseTarget(test.targetStr)
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if got != test.want {
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t.Errorf("parseTarget(%q) = %+v, want %+v", test.targetStr, got, test.want)
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}
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}
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}
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// The target string with unknown scheme should be kept unchanged and passed to
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// the dialer.
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func TestDialParseTargetUnknownScheme(t *testing.T) {
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for _, test := range []struct {
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targetStr string
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want string
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}{
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{"/unix/socket/address", "/unix/socket/address"},
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// Special test for "unix:///".
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{"unix:///unix/socket/address", "unix:///unix/socket/address"},
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// For known scheme.
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{"passthrough://a.server.com/google.com", "google.com"},
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} {
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dialStrCh := make(chan string, 1)
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cc, err := Dial(test.targetStr, WithInsecure(), WithDialer(func(t string, _ time.Duration) (net.Conn, error) {
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dialStrCh <- t
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return nil, fmt.Errorf("test dialer, always error")
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}))
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if err != nil {
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t.Fatalf("Failed to create ClientConn: %v", err)
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}
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got := <-dialStrCh
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cc.Close()
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if got != test.want {
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t.Errorf("Dial(%q), dialer got %q, want %q", test.targetStr, got, test.want)
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}
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}
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}
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