add prune and remove unused packages

vendor/google.golang.org/grpc/resolver/dns/dns_resolver_go19_test.go

@@ -1,135 +0,0 @@
-// +build go1.9
-
-/*
- *
- * Copyright 2018 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package dns
-
-import (
-	"errors"
-	"fmt"
-	"net"
-	"testing"
-
-	"golang.org/x/net/context"
-	"google.golang.org/grpc/internal/leakcheck"
-	"google.golang.org/grpc/resolver"
-)
-
-func TestCustomAuthority(t *testing.T) {
-	defer leakcheck.Check(t)
-
-	tests := []struct {
-		authority     string
-		authorityWant string
-		expectError   bool
-	}{
-		{
-			"4.3.2.1:" + defaultDNSSvrPort,
-			"4.3.2.1:" + defaultDNSSvrPort,
-			false,
-		},
-		{
-			"4.3.2.1:123",
-			"4.3.2.1:123",
-			false,
-		},
-		{
-			"4.3.2.1",
-			"4.3.2.1:" + defaultDNSSvrPort,
-			false,
-		},
-		{
-			"::1",
-			"[::1]:" + defaultDNSSvrPort,
-			false,
-		},
-		{
-			"[::1]",
-			"[::1]:" + defaultDNSSvrPort,
-			false,
-		},
-		{
-			"[::1]:123",
-			"[::1]:123",
-			false,
-		},
-		{
-			"dnsserver.com",
-			"dnsserver.com:" + defaultDNSSvrPort,
-			false,
-		},
-		{
-			":123",
-			"localhost:123",
-			false,
-		},
-		{
-			":",
-			"",
-			true,
-		},
-		{
-			"[::1]:",
-			"",
-			true,
-		},
-		{
-			"dnsserver.com:",
-			"",
-			true,
-		},
-	}
-	oldCustomAuthorityDialler := customAuthorityDialler
-	defer func() {
-		customAuthorityDialler = oldCustomAuthorityDialler
-	}()
-
-	for _, a := range tests {
-		errChan := make(chan error, 1)
-		customAuthorityDialler = func(authority string) func(ctx context.Context, network, address string) (net.Conn, error) {
-			if authority != a.authorityWant {
-				errChan <- fmt.Errorf("wrong custom authority passed to resolver. input: %s expected: %s actual: %s", a.authority, a.authorityWant, authority)
-			} else {
-				errChan <- nil
-			}
-			return func(ctx context.Context, network, address string) (net.Conn, error) {
-				return nil, errors.New("no need to dial")
-			}
-		}
-
-		b := NewBuilder()
-		cc := &testClientConn{target: "foo.bar.com"}
-		r, err := b.Build(resolver.Target{Endpoint: "foo.bar.com", Authority: a.authority}, cc, resolver.BuildOption{})
-
-		if err == nil {
-			r.Close()
-
-			err = <-errChan
-			if err != nil {
-				t.Errorf(err.Error())
-			}
-
-			if a.expectError {
-				t.Errorf("custom authority should have caused an error: %s", a.authority)
-			}
-		} else if !a.expectError {
-			t.Errorf("unexpected error using custom authority %s: %s", a.authority, err)
-		}
-	}
-}

vendor/google.golang.org/grpc/resolver/dns/go18_test.go

@@ -1,27 +0,0 @@
-// +build go1.8
-
-/*
- *
- * Copyright 2018 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package dns
-
-import (
-	"fmt"
-)
-
-var errForInvalidTarget = fmt.Errorf("invalid target address [2001:db8:a0b:12f0::1, error info: address [2001:db8:a0b:12f0::1:443: missing ']' in address")

vendor/google.golang.org/grpc/resolver/dns/pre_go18_test.go

@@ -1,27 +0,0 @@
-// +build go1.6, !go1.8
-
-/*
- *
- * Copyright 2018 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package dns
-
-import (
-	"fmt"
-)
-
-var errForInvalidTarget = fmt.Errorf("invalid target address [2001:db8:a0b:12f0::1, error info: missing ']' in address [2001:db8:a0b:12f0::1:443")