feat: select first host/port of emulator

IPv6 support in Docker may result in multiple host/port combinations.
This ensures deterministic selection of the first pair.

.golangci.yml

@@ -19,3 +19,5 @@ linters:
     - cyclop # allow complex functions
     - nlreturn # allow return/break without whitespace
     - exhaustivestruct # don't require exhaustive fields in struct initializers
+    - exhaustive # don't require exhaustive enums
+    - wrapcheck # disabled due to false positives for gRPC errors

go.mod

@@ -6,9 +6,9 @@ require (
 	cloud.google.com/go v0.81.0
 	cloud.google.com/go/spanner v1.17.0
 	github.com/stoewer/go-strcase v1.2.0
-	go.einride.tech/aip v0.34.2
-	google.golang.org/api v0.44.0
-	google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1
+	go.einride.tech/aip v0.35.0
+	google.golang.org/api v0.45.0
+	google.golang.org/genproto v0.0.0-20210413151531-c14fb6ef47c3
 	google.golang.org/grpc v1.37.0
 	google.golang.org/protobuf v1.26.0
 	gopkg.in/yaml.v2 v2.4.0

go.sum

@@ -157,8 +157,8 @@ github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-go.einride.tech/aip v0.34.2 h1:tNxLH1/4GhbW0AhFhO5Zfu0GfoSZN658Nupgd+kb1Hw=
-go.einride.tech/aip v0.34.2/go.mod h1:JgWM7uEMZ1GfTehF4YJKSPg3PQlwgpnLbL+imA0yH3M=
+go.einride.tech/aip v0.35.0 h1:++nHTdRBpeEcl+0KRlluNLaGP2SaWPlMardeJ8BSHN0=
+go.einride.tech/aip v0.35.0/go.mod h1:JgWM7uEMZ1GfTehF4YJKSPg3PQlwgpnLbL+imA0yH3M=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
@@ -252,8 +252,8 @@ golang.org/x/oauth2 v0.0.0-20201208152858-08078c50e5b5/go.mod h1:KelEdhl1UZF7XfJ
 golang.org/x/oauth2 v0.0.0-20210218202405-ba52d332ba99/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210220000619-9bb904979d93/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210313182246-cd4f82c27b84/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
-golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602 h1:0Ja1LBD+yisY6RWM/BH7TJVXWsSjs2VwBSmvSX4HdBc=
-golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20210413134643-5e61552d6c78 h1:rPRtHfUb0UKZeZ6GH4K4Nt4YRbE9V1u+QZX5upZXqJQ=
+golang.org/x/oauth2 v0.0.0-20210413134643-5e61552d6c78/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -300,8 +300,8 @@ golang.org/x/sys v0.0.0-20210220050731-9a76102bfb43/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210305230114-8fe3ee5dd75b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210315160823-c6e025ad8005/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57 h1:F5Gozwx4I1xtr/sr/8CFbb57iKi3297KFs0QDbGN60A=
-golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210412220455-f1c623a9e750 h1:ZBu6861dZq7xBnG1bn5SRU0vA8nx42at4+kP07FMTog=
+golang.org/x/sys v0.0.0-20210412220455-f1c623a9e750/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -388,8 +388,8 @@ google.golang.org/api v0.36.0/go.mod h1:+z5ficQTmoYpPn8LCUNVpK5I7hwkpjbcgqA7I34q
 google.golang.org/api v0.40.0/go.mod h1:fYKFpnQN0DsDSKRVRcQSDQNtqWPfM9i+zNPxepjRCQ8=
 google.golang.org/api v0.41.0/go.mod h1:RkxM5lITDfTzmyKFPt+wGrCJbVfniCr2ool8kTBzRTU=
 google.golang.org/api v0.43.0/go.mod h1:nQsDGjRXMo4lvh5hP0TKqF244gqhGcr/YSIykhUk/94=
-google.golang.org/api v0.44.0 h1:URs6qR1lAxDsqWITsQXI4ZkGiYJ5dHtRNiCpfs2OeKA=
-google.golang.org/api v0.44.0/go.mod h1:EBOGZqzyhtvMDoxwS97ctnh0zUmYY6CxqXsc1AvkYD8=
+google.golang.org/api v0.45.0 h1:pqMffJFLBVUDIoYsHcqtxgQVTsmxMDpYLOc5MT4Jrww=
+google.golang.org/api v0.45.0/go.mod h1:ISLIJCedJolbZvDfAk+Ctuq5hf+aJ33WgtUsfyFoLXA=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@@ -437,8 +437,9 @@ google.golang.org/genproto v0.0.0-20210303154014-9728d6b83eeb/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210319143718-93e7006c17a6/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210331142528-b7513248f0ba/go.mod h1:9lPAdzaEmUacj36I+k7YKbEc5CXzPIeORRgDAUOu28A=
-google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1 h1:E7wSQBXkH3T3diucK+9Z1kjn4+/9tNG7lZLr75oOhh8=
 google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaEmUacj36I+k7YKbEc5CXzPIeORRgDAUOu28A=
+google.golang.org/genproto v0.0.0-20210413151531-c14fb6ef47c3 h1:K+7Ig5hjiLVA/i1UFUUbCGimWz5/Ey0lAQjT3QiLaPY=
+google.golang.org/genproto v0.0.0-20210413151531-c14fb6ef47c3/go.mod h1:P3QM42oQyzQSnHPnZ/vqoCdDmzH28fzWByN9asMeM8A=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=

internal/protoloader/loader.go

@@ -51,7 +51,11 @@ func LoadFilesFromGoPackage(goPackage string) (*protoregistry.Files, error) {
 	if err := proto.Unmarshal(data, &fileSet); err != nil {
 		return nil, fmt.Errorf("load proto files from Go package %s: %w", goPackage, err)
 	}
-	return protodesc.NewFiles(&fileSet)
+	files, err := protodesc.NewFiles(&fileSet)
+	if err != nil {
+		return nil, fmt.Errorf("load proto files from Go package %s: %w", goPackage, err)
+	}
+	return files, nil
 }
 
 // nolint: gochecknoglobals

spantest/emulator.go

@@ -68,6 +68,7 @@ func NewEmulatorFixture(t *testing.T) Fixture {
 			dockerRm(t, containerID)
 		})
 		emulatorHost = inspectPortAddress(t, containerID, "9010/tcp")
+		t.Log("using emulator from container config", emulatorHost)
 	} else {
 		t.Log("using emulator from environment")
 	}
@@ -131,7 +132,7 @@ func (fx *EmulatorFixture) NewDatabaseFromDDLFiles(t *testing.T, glob string) *s
 	return fx.NewDatabaseFromStatements(t, statements)
 }
 
-// NewDatabaseFromDDLFiles creates a new database with a random ID from the provided statements.
+// NewDatabaseFromStatements creates a new database with a random ID from the provided statements.
 func (fx *EmulatorFixture) NewDatabaseFromStatements(t *testing.T, statements []string) *spanner.Client {
 	t.Helper()
 	databaseID := fmt.Sprintf("db%d", rand.Uint64()) // nolint: gosec
@@ -200,6 +201,7 @@ func inspectPortAddress(t *testing.T, containerID string, containerPort string)
 			if portID == containerPort {
 				for _, hostPort := range hostPorts {
 					host, port = hostPort.HostIP, hostPort.HostPort
+					break // prefer first option
 				}
 			}
 		}

tools/golangci-lint/rules.mk

@@ -1,5 +1,5 @@
 golangci_lint_cwd := $(abspath $(dir $(lastword $(MAKEFILE_LIST))))
-golangci_lint_version := 1.37.0
+golangci_lint_version := 1.39.0
 golangci_lint := $(golangci_lint_cwd)/$(golangci_lint_version)/golangci-lint
 
 ifeq ($(shell uname),Linux)