update min supported version to 1.15 (#641)

.github/workflows/test.yaml

@@ -10,7 +10,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.11.x, 1.17.x]
+        go-version: [1.15.x, 1.18.x]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -23,27 +23,18 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v2
 
-    # Needed for versions <1.14 tests
-    - name: Install mock
-      run: |
-        GO111MODULE=off go get github.com/golang/mock | true
-
     - name: Vet and build
       run: |
         go vet ./...
         go build ./...
 
-    - name: Install tools
+    - name: Install mockgen
       run: |
         go install github.com/golang/mock/mockgen
-        GO111MODULE=off go get -u golang.org/x/lint/golint
 
-    - name: Run test scripts
+    - name: Run test script
       run: |
-        ./ci/check_go_fmt.sh
-        ./ci/check_go_lint.sh
-        ./ci/check_go_generate.sh
-        ./ci/check_go_mod.sh
+        ./ci/test.sh
         ./ci/check_panic_handling.sh
 
     - name: Run Go tests

ci/check_go_fmt.sh

@@ -1,12 +0,0 @@
-#!/bin/bash
-# This script is used by the CI to check if the code is gofmt formatted.
-
-set -euo pipefail
-
-GOFMT_DIFF=$(IFS=$'\n'; gofmt -d $( find . -type f -name '*.go' ) )
-if [[ -n "${GOFMT_DIFF}" ]]; then
-    echo "${GOFMT_DIFF}"
-    echo
-    echo "The go source files aren't gofmt formatted."
-    exit 1
-fi

ci/check_go_generate.sh

@@ -1,33 +0,0 @@
-#!/bin/bash
-# This script is used by the CI to check if 'go generate ./...' is up to date.
-#
-# Note: If the generated files aren't up to date then this script updates
-# them despite printing an error message so running it the second time
-# might not print any errors. This isn't very useful locally during development
-# but it works well with the CI that downloads a fresh version of the repo
-# each time before executing this script.
-
-set -euo pipefail
-
-BASE_DIR="$PWD"
-TEMP_DIR=$( mktemp -d )
-function cleanup() {
-    rm -rf "${TEMP_DIR}"
-}
-trap cleanup EXIT
-
-cp -r . "${TEMP_DIR}/"
-cd $TEMP_DIR
-
-for i in $(find $PWD -name go.mod); do
-    pushd $(dirname $i)
-    go generate ./...
-    popd
-done 
-
-if ! diff -r . "${BASE_DIR}"; then
-    echo
-    echo "The generated files aren't up to date."
-    echo "Update them with the 'go generate ./...' command."
-    exit 1
-fi

ci/check_go_lint.sh

@@ -1,17 +0,0 @@
-#!/bin/bash
-# This script is used by CI to check if the code passes golint.
-
-set -u
-
-if ! command -v golint >/dev/null; then
-    echo "error: golint not found; go get -u golang.org/x/lint/golint" >&2
-    exit 1
-fi
-
-GOLINT_OUTPUT=$(IFS=$'\n'; golint ./... | grep -v "mockgen/internal/.*\|sample/.*")
-if [[ -n "${GOLINT_OUTPUT}" ]]; then
-    echo "${GOLINT_OUTPUT}"
-    echo
-    echo "The go source files aren't passing golint."
-    exit 1
-fi

ci/check_go_mod.sh

@@ -1,18 +0,0 @@
-#!/bin/bash
-# This script is used to ensure that the go.mod file is up to date.
-
-set -euo pipefail
-
-for i in $(find $PWD -name go.mod); do
-    pushd $(dirname $i)
-    go mod tidy
-    popd
-done 
-
-if [ ! -z "$(git status --porcelain)" ]; then
-    git status
-    git diff
-    echo
-    echo "The go.mod is not up to date."
-    exit 1
-fi

ci/test.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+# This script is used to ensure that the go.mod file is up to date.
+
+set -euo pipefail
+
+if [[ $(go version) != *"go1.18"* ]]; then
+  exit 0
+fi
+
+for i in $(find $PWD -name go.mod); do
+  pushd $(dirname $i)
+  go mod tidy
+  popd
+done
+
+if [ ! -z "$(git status --porcelain)" ]; then
+  git status
+  git diff
+  echo
+  echo "The go.mod is not up to date."
+  exit 1
+fi
+
+BASE_DIR="$PWD"
+TEMP_DIR=$(mktemp -d)
+function cleanup() {
+  rm -rf "${TEMP_DIR}"
+}
+trap cleanup EXIT
+
+cp -r . "${TEMP_DIR}/"
+cd $TEMP_DIR
+
+for i in $(find $PWD -name go.mod); do
+  pushd $(dirname $i)
+  go generate ./...
+  popd
+done
+
+if ! diff -r . "${BASE_DIR}"; then
+  echo
+  echo "The generated files aren't up to date."
+  echo "Update them with the 'go generate ./...' command."
+  exit 1
+fi

go.mod

@@ -5,4 +5,4 @@ require (
 	golang.org/x/tools v0.1.8
 )
 
-go 1.11
+go 1.15

gomock/controller_113_test.go

@@ -1,29 +0,0 @@
-// Copyright 2020 Google LLC
-//
-// 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.
-
-//go:build !go1.14
-// +build !go1.14
-
-package gomock_test
-
-import "testing"
-
-func TestDuplicateFinishCallFails(t *testing.T) {
-	rep, ctrl := createFixtures(t)
-
-	ctrl.Finish()
-	rep.assertPass("the first Finish call should succeed")
-
-	rep.assertFatal(ctrl.Finish, "Controller.Finish was called more than once. It has to be called exactly once.")
-}

gomock/controller_114_test.go

@@ -1,133 +0,0 @@
-// Copyright 2020 Google LLC
-//
-// 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.
-
-//go:build go1.14
-// +build go1.14
-
-package gomock_test
-
-import (
-	"testing"
-
-	"github.com/golang/mock/gomock"
-)
-
-func (e *ErrorReporter) Cleanup(f func()) {
-	e.t.Helper()
-	e.t.Cleanup(f)
-}
-
-func TestMultipleDefers(t *testing.T) {
-	reporter := NewErrorReporter(t)
-	reporter.Cleanup(func() {
-		reporter.assertPass("No errors for multiple calls to Finish")
-	})
-	ctrl := gomock.NewController(reporter)
-	ctrl.Finish()
-}
-
-// Equivalent to the TestNoRecordedCallsForAReceiver, but without explicitly
-// calling Finish.
-func TestDeferNotNeededFail(t *testing.T) {
-	reporter := NewErrorReporter(t)
-	subject := new(Subject)
-	var ctrl *gomock.Controller
-	reporter.Cleanup(func() {
-		reporter.assertFatal(func() {
-			ctrl.Call(subject, "NotRecordedMethod", "argument")
-		}, "Unexpected call to", "there are no expected calls of the method \"NotRecordedMethod\" for that receiver")
-	})
-	ctrl = gomock.NewController(reporter)
-}
-
-func TestDeferNotNeededPass(t *testing.T) {
-	reporter := NewErrorReporter(t)
-	subject := new(Subject)
-	var ctrl *gomock.Controller
-	reporter.Cleanup(func() {
-		reporter.assertPass("Expected method call made.")
-	})
-	ctrl = gomock.NewController(reporter)
-	ctrl.RecordCall(subject, "FooMethod", "argument")
-	ctrl.Call(subject, "FooMethod", "argument")
-}
-
-func TestOrderedCallsInCorrect(t *testing.T) {
-	reporter := NewErrorReporter(t)
-	subjectOne := new(Subject)
-	subjectTwo := new(Subject)
-	var ctrl *gomock.Controller
-	reporter.Cleanup(func() {
-		reporter.assertFatal(func() {
-			gomock.InOrder(
-				ctrl.RecordCall(subjectOne, "FooMethod", "1").AnyTimes(),
-				ctrl.RecordCall(subjectTwo, "FooMethod", "2"),
-				ctrl.RecordCall(subjectTwo, "BarMethod", "3"),
-			)
-			ctrl.Call(subjectOne, "FooMethod", "1")
-			// FooMethod(2) should be called before BarMethod(3)
-			ctrl.Call(subjectTwo, "BarMethod", "3")
-		}, "Unexpected call to", "Subject.BarMethod([3])", "doesn't have a prerequisite call satisfied")
-	})
-	ctrl = gomock.NewController(reporter)
-}
-
-// Test that calls that are prerequisites to other calls but have maxCalls >
-// minCalls are removed from the expected call set.
-func TestOrderedCallsWithPreReqMaxUnbounded(t *testing.T) {
-	reporter := NewErrorReporter(t)
-	subjectOne := new(Subject)
-	subjectTwo := new(Subject)
-	var ctrl *gomock.Controller
-	reporter.Cleanup(func() {
-		reporter.assertFatal(func() {
-			// Initially we should be able to call FooMethod("1") as many times as we
-			// want.
-			ctrl.Call(subjectOne, "FooMethod", "1")
-			ctrl.Call(subjectOne, "FooMethod", "1")
-
-			// But calling something that has it as a prerequite should remove it from
-			// the expected call set. This allows tests to ensure that FooMethod("1") is
-			// *not* called after FooMethod("2").
-			ctrl.Call(subjectTwo, "FooMethod", "2")
-
-			ctrl.Call(subjectOne, "FooMethod", "1")
-		})
-	})
-	ctrl = gomock.NewController(reporter)
-}
-
-func TestCallAfterLoopPanic(t *testing.T) {
-	reporter := NewErrorReporter(t)
-	subject := new(Subject)
-	var ctrl *gomock.Controller
-	reporter.Cleanup(func() {
-		firstCall := ctrl.RecordCall(subject, "FooMethod", "1")
-		secondCall := ctrl.RecordCall(subject, "FooMethod", "2")
-		thirdCall := ctrl.RecordCall(subject, "FooMethod", "3")
-
-		gomock.InOrder(firstCall, secondCall, thirdCall)
-
-		defer func() {
-			err := recover()
-			if err == nil {
-				t.Error("Call.After creation of dependency loop did not panic.")
-			}
-		}()
-
-		// This should panic due to dependency loop.
-		firstCall.After(thirdCall)
-	})
-	ctrl = gomock.NewController(reporter)
-}

gomock/controller_test.go

@@ -843,3 +843,112 @@ func TestWithHelper(t *testing.T) {
 		t.Fatal("expected Helper to be invoked")
 	}
 }
+
+func (e *ErrorReporter) Cleanup(f func()) {
+	e.t.Helper()
+	e.t.Cleanup(f)
+}
+
+func TestMultipleDefers(t *testing.T) {
+	reporter := NewErrorReporter(t)
+	reporter.Cleanup(func() {
+		reporter.assertPass("No errors for multiple calls to Finish")
+	})
+	ctrl := gomock.NewController(reporter)
+	ctrl.Finish()
+}
+
+// Equivalent to the TestNoRecordedCallsForAReceiver, but without explicitly
+// calling Finish.
+func TestDeferNotNeededFail(t *testing.T) {
+	reporter := NewErrorReporter(t)
+	subject := new(Subject)
+	var ctrl *gomock.Controller
+	reporter.Cleanup(func() {
+		reporter.assertFatal(func() {
+			ctrl.Call(subject, "NotRecordedMethod", "argument")
+		}, "Unexpected call to", "there are no expected calls of the method \"NotRecordedMethod\" for that receiver")
+	})
+	ctrl = gomock.NewController(reporter)
+}
+
+func TestDeferNotNeededPass(t *testing.T) {
+	reporter := NewErrorReporter(t)
+	subject := new(Subject)
+	var ctrl *gomock.Controller
+	reporter.Cleanup(func() {
+		reporter.assertPass("Expected method call made.")
+	})
+	ctrl = gomock.NewController(reporter)
+	ctrl.RecordCall(subject, "FooMethod", "argument")
+	ctrl.Call(subject, "FooMethod", "argument")
+}
+
+func TestOrderedCallsInCorrect(t *testing.T) {
+	reporter := NewErrorReporter(t)
+	subjectOne := new(Subject)
+	subjectTwo := new(Subject)
+	var ctrl *gomock.Controller
+	reporter.Cleanup(func() {
+		reporter.assertFatal(func() {
+			gomock.InOrder(
+				ctrl.RecordCall(subjectOne, "FooMethod", "1").AnyTimes(),
+				ctrl.RecordCall(subjectTwo, "FooMethod", "2"),
+				ctrl.RecordCall(subjectTwo, "BarMethod", "3"),
+			)
+			ctrl.Call(subjectOne, "FooMethod", "1")
+			// FooMethod(2) should be called before BarMethod(3)
+			ctrl.Call(subjectTwo, "BarMethod", "3")
+		}, "Unexpected call to", "Subject.BarMethod([3])", "doesn't have a prerequisite call satisfied")
+	})
+	ctrl = gomock.NewController(reporter)
+}
+
+// Test that calls that are prerequisites to other calls but have maxCalls >
+// minCalls are removed from the expected call set.
+func TestOrderedCallsWithPreReqMaxUnbounded(t *testing.T) {
+	reporter := NewErrorReporter(t)
+	subjectOne := new(Subject)
+	subjectTwo := new(Subject)
+	var ctrl *gomock.Controller
+	reporter.Cleanup(func() {
+		reporter.assertFatal(func() {
+			// Initially we should be able to call FooMethod("1") as many times as we
+			// want.
+			ctrl.Call(subjectOne, "FooMethod", "1")
+			ctrl.Call(subjectOne, "FooMethod", "1")
+
+			// But calling something that has it as a prerequite should remove it from
+			// the expected call set. This allows tests to ensure that FooMethod("1") is
+			// *not* called after FooMethod("2").
+			ctrl.Call(subjectTwo, "FooMethod", "2")
+
+			ctrl.Call(subjectOne, "FooMethod", "1")
+		})
+	})
+	ctrl = gomock.NewController(reporter)
+}
+
+func TestCallAfterLoopPanic(t *testing.T) {
+	reporter := NewErrorReporter(t)
+	subject := new(Subject)
+	var ctrl *gomock.Controller
+	reporter.Cleanup(func() {
+		firstCall := ctrl.RecordCall(subject, "FooMethod", "1")
+		secondCall := ctrl.RecordCall(subject, "FooMethod", "2")
+		thirdCall := ctrl.RecordCall(subject, "FooMethod", "3")
+
+		gomock.InOrder(firstCall, secondCall, thirdCall)
+
+		defer func() {
+			err := recover()
+			if err == nil {
+				t.Error("Call.After creation of dependency loop did not panic.")
+			}
+		}()
+
+		// This should panic due to dependency loop.
+		firstCall.After(thirdCall)
+	})
+	ctrl = gomock.NewController(reporter)
+}

mockgen/internal/tests/overlapping_methods/go.mod

@@ -1,5 +0,0 @@
-module github.com/golang/mock/mockgen/internal/tests/overlapping_methods
-
-go 1.14
-
-require github.com/golang/mock v1.4.4

mockgen/internal/tests/overlapping_methods/go.sum

@@ -1,8 +0,0 @@
-github.com/golang/mock v1.4.4 h1:l75CXGRSwbaYNpl/Z2X1XIIAMSCquvXgpVZDhwEIJsc=
-github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=

mockgen/internal/tests/overlapping_methods/interfaces.go

@@ -1,6 +1,3 @@
-//go:build go1.14
-// +build go1.14
-
 package overlap
 
 type ReadCloser interface {

mockgen/internal/tests/overlapping_methods/overlap.go

@@ -1,6 +1,3 @@
-//go:build go1.14
-// +build go1.14
-
 package overlap
 
 //go:generate mockgen -package overlap -destination mock.go -source overlap.go -aux_files github.com/golang/mock/mockgen/internal/tests/overlapping_methods=interfaces.go

mockgen/internal/tests/overlapping_methods/overlap_test.go

@@ -1,6 +1,3 @@
-//go:build go1.14
-// +build go1.14
-
 package overlap
 
 import (

mockgen/version.1.11.go

@@ -1,27 +0,0 @@
-// Copyright 2019 Google LLC
-//
-// 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.
-
-//go:build !go1.12
-// +build !go1.12
-
-package main
-
-import (
-	"log"
-)
-
-func printModuleVersion() {
-	log.Printf("No version information is available for Mockgen compiled with " +
-		"version 1.11")
-}

mockgen/version.go

@@ -11,10 +11,6 @@
 // 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.
-//
-
-//go:build go1.12
-// +build go1.12
 
 package main