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How to use EXPECT method of extra_import Package

Best Mock code snippet using extra_import.EXPECT

cmd_test.go

Source:cmd_test.go

1// Copyright (c) 2018 Uber Technologies, Inc.2//3// Permission is hereby granted, free of charge, to any person obtaining a copy4// of this software and associated documentation files (the "Software"), to deal5// in the Software without restriction, including without limitation the rights6// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell7// copies of the Software, and to permit persons to whom the Software is8// furnished to do so, subject to the following conditions:9//10// The above copyright notice and this permission notice shall be included in11// all copies or substantial portions of the Software.12//13// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR14// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,15// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE16// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER17// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,18// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN19// THE SOFTWARE.20package cmd21import (22	"bytes"23	"context"24	"io"25	"io/ioutil"26	"net"27	"os"28	"strings"29	"sync"30	"testing"31	"github.com/stretchr/testify/assert"32	"github.com/stretchr/testify/require"33	"github.com/tgrpc/prototool/internal/x/cmd/testdata/grpc/gen/grpcpb"34	"google.golang.org/grpc"35)36const cleanEnvKey = "PROTOTOOL_TEST_CLEAN_CACHE"37var (38	testCleaned bool39	testLock    sync.Mutex40)41func TestCompile(t *testing.T) {42	t.Parallel()43	assertDoCompileFiles(44		t,45		false,46		`testdata/compile/dep_errors.proto:6:1:Expected ";".`,47		"testdata/compile/dep_errors.proto",48	)49	assertDoCompileFiles(50		t,51		false,52		`dep_errors.proto:6:1:Expected ";".53		testdata/compile/errors_on_import.proto:10:3:"foo.DepError" is not defined.`,54		"testdata/compile/errors_on_import.proto",55	)56	assertDoCompileFiles(57		t,58		false,59		`testdata/compile/extra_import.proto:1:1:Import "dep.proto" was not used.`,60		"testdata/compile/extra_import.proto",61	)62	assertDoCompileFiles(63		t,64		false,65		`testdata/compile/json_camel_case_conflict.proto:1:1:The JSON camel-case name of field "helloworld" conflicts with field "helloWorld". This is not allowed in proto3.`,66		"testdata/compile/json_camel_case_conflict.proto",67	)68	assertDoCompileFiles(69		t,70		false,71		`testdata/compile/missing_package_semicolon.proto:5:1:Expected ";".`,72		"testdata/compile/missing_package_semicolon.proto",73	)74	assertDoCompileFiles(75		t,76		false,77		`testdata/compile/missing_syntax.proto:1:1:No syntax specified. Please use 'syntax = "proto2";' or 'syntax = "proto3";' to specify a syntax version.78		testdata/compile/missing_syntax.proto:4:3:Expected "required", "optional", or "repeated".`,79		"testdata/compile/missing_syntax.proto",80	)81	assertDoCompileFiles(82		t,83		true,84		``,85		"testdata/compile/syntax_proto2.proto",86	)87	assertDoCompileFiles(88		t,89		false,90		`testdata/compile/not_imported.proto:11:3:"foo.Dep" seems to be defined in "dep.proto", which is not imported by "not_imported.proto".  To use it here, please add the necessary import.`,91		"testdata/compile/dep.proto",92		"testdata/compile/not_imported.proto",93	)94}95func TestLint(t *testing.T) {96	t.Parallel()97	assertDoLintFile(98		t,99		true,100		"",101		"testdata/foo/success.proto",102	)103	assertDoLintFile(104		t,105		false,106		"1:1:SYNTAX_PROTO3",107		"testdata/lint/syntax_proto2.proto",108	)109	assertDoLintFile(110		t,111		false,112		"11:1:MESSAGE_NAMES_CAPITALIZED",113		"testdata/lint/message_name_not_capitalized.proto",114	)115	assertDoLintFile(116		t,117		false,118		`1:1:FILE_OPTIONS_REQUIRE_GO_PACKAGE119		1:1:FILE_OPTIONS_REQUIRE_JAVA_PACKAGE`,120		"testdata/lint/file_options_required.proto",121	)122	assertDoLintFile(123		t,124		false,125		`5:1:FILE_OPTIONS_EQUAL_GO_PACKAGE_PB_SUFFIX126		8:1:FILE_OPTIONS_EQUAL_JAVA_PACKAGE_COM_PB`,127		"testdata/lint/file_options_incorrect.proto",128	)129	assertDoLintFiles(130		t,131		false,132		`testdata/lint/samedir/bar1.proto:1:1:PACKAGES_SAME_IN_DIR133		testdata/lint/samedir/foo1.proto:1:1:PACKAGES_SAME_IN_DIR134		testdata/lint/samedir/foo2.proto:1:1:PACKAGES_SAME_IN_DIR`,135		"testdata/lint/samedir",136	)137	assertDoLintFiles(138		t,139		false,140		`testdata/lint/samedirgopkg/bar1.proto:1:1:FILE_OPTIONS_GO_PACKAGE_SAME_IN_DIR141		testdata/lint/samedirgopkg/foo1.proto:1:1:FILE_OPTIONS_GO_PACKAGE_SAME_IN_DIR142		testdata/lint/samedirgopkg/foo2.proto:1:1:FILE_OPTIONS_GO_PACKAGE_SAME_IN_DIR`,143		"testdata/lint/samedirgopkg",144	)145	assertDoLintFiles(146		t,147		false,148		`testdata/lint/samedirjavapkg/bar1.proto:1:1:FILE_OPTIONS_JAVA_PACKAGE_SAME_IN_DIR149		testdata/lint/samedirjavapkg/foo1.proto:1:1:FILE_OPTIONS_JAVA_PACKAGE_SAME_IN_DIR150		testdata/lint/samedirjavapkg/foo2.proto:1:1:FILE_OPTIONS_JAVA_PACKAGE_SAME_IN_DIR`,151		"testdata/lint/samedirjavapkg",152	)153	assertDoLintFile(154		t,155		false,156		`1:1:FILE_OPTIONS_REQUIRE_GO_PACKAGE157		1:1:FILE_OPTIONS_REQUIRE_JAVA_PACKAGE158		3:1:PACKAGE_LOWER_SNAKE_CASE159		7:1:MESSAGE_NAMES_CAPITALIZED160		9:1:MESSAGE_NAMES_CAMEL_CASE161		12:3:MESSAGE_FIELD_NAMES_LOWER_SNAKE_CASE162		13:3:MESSAGE_FIELD_NAMES_LOWER_SNAKE_CASE163		14:3:MESSAGE_FIELD_NAMES_LOWER_SNAKE_CASE164		15:3:MESSAGE_FIELD_NAMES_LOWER_SNAKE_CASE165		22:3:COMMENTS_NO_C_STYLE166		23:3:COMMENTS_NO_C_STYLE167		26:1:SERVICE_NAMES_CAPITALIZED168		28:1:SERVICE_NAMES_CAMEL_CASE169		46:3:REQUEST_RESPONSE_TYPES_UNIQUE170		46:3:REQUEST_RESPONSE_TYPES_UNIQUE171		47:3:REQUEST_RESPONSE_TYPES_UNIQUE172		47:3:REQUEST_RESPONSE_TYPES_UNIQUE173		48:3:RPC_NAMES_CAPITALIZED174		49:3:REQUEST_RESPONSE_TYPES_IN_SAME_FILE175		49:3:REQUEST_RESPONSE_TYPES_UNIQUE176		50:3:REQUEST_RESPONSE_TYPES_IN_SAME_FILE177		50:3:REQUEST_RESPONSE_TYPES_IN_SAME_FILE178		50:3:REQUEST_RESPONSE_TYPES_UNIQUE179		58:3:ENUM_FIELD_PREFIXES180		64:7:ENUM_FIELD_PREFIXES181		64:7:ENUM_ZERO_VALUES_INVALID182		67:7:ENUM_ZERO_VALUES_INVALID183		73:3:ENUM_ZERO_VALUES_INVALID`,184		"testdata/lint/lots.proto",185	)186}187func TestGoldenFormat(t *testing.T) {188	t.Parallel()189	assertGoldenFormat(t, false, "testdata/format/bar/bar.proto")190	assertGoldenFormat(t, false, "testdata/format/bar/bar_proto2.proto")191	assertGoldenFormat(t, false, "testdata/format/foo/foo.proto")192	assertGoldenFormat(t, false, "testdata/format/foo/foo_proto2.proto")193}194func TestJSONToBinaryToJSON(t *testing.T) {195	t.Parallel()196	assertJSONToBinaryToJSON(t, "testdata/foo/success.proto", "foo.Baz", `{"hello":100}`)197}198func TestGRPC(t *testing.T) {199	t.Parallel()200	assertGRPC(t,201		0,202		`203		{204			"value": "hello!"205		}206		`,207		"testdata/grpc/grpc.proto",208		"grpc.ExcitedService/Exclamation",209		`{"value":"hello"}`,210	)211	assertGRPC(t,212		0,213		`214		{215			"value": "hellosalutations!"216		}217		`,218		"testdata/grpc/grpc.proto",219		"grpc.ExcitedService/ExclamationClientStream",220		`{"value":"hello"}221		{"value":"salutations"}`,222	)223	assertGRPC(t,224		0,225		`226		{227			"value": "h"228		}229		{230			"value": "e"231		}232		{233			"value": "l"234		}235		{236			"value": "l"237		}238		{239			"value": "o"240		}241		{242			"value": "!"243		}244		`,245		"testdata/grpc/grpc.proto",246		"grpc.ExcitedService/ExclamationServerStream",247		`{"value":"hello"}`,248	)249	assertGRPC(t,250		0,251		`252		{253			"value": "hello!"254		}255		{256			"value": "salutations!"257		}258		`,259		"testdata/grpc/grpc.proto",260		"grpc.ExcitedService/ExclamationBidiStream",261		`{"value":"hello"}262		{"value":"salutations"}`,263	)264}265func assertDoCompileFiles(t *testing.T, expectSuccess bool, expectedLinePrefixes string, filePaths ...string) {266	lines := getCleanLines(expectedLinePrefixes)267	expectedExitCode := 0268	if !expectSuccess {269		expectedExitCode = 255270	}271	assertDo(t, expectedExitCode, strings.Join(lines, "\n"), append([]string{"compile"}, filePaths...)...)272}273func assertDoLintFile(t *testing.T, expectSuccess bool, expectedLinePrefixesWithoutFile string, filePath string) {274	lines := getCleanLines(expectedLinePrefixesWithoutFile)275	for i, line := range lines {276		lines[i] = filePath + ":" + line277	}278	expectedExitCode := 0279	if !expectSuccess {280		expectedExitCode = 255281	}282	assertDo(t, expectedExitCode, strings.Join(lines, "\n"), "lint", filePath)283}284func assertDoLintFiles(t *testing.T, expectSuccess bool, expectedLinePrefixes string, filePaths ...string) {285	lines := getCleanLines(expectedLinePrefixes)286	expectedExitCode := 0287	if !expectSuccess {288		expectedExitCode = 255289	}290	assertDo(t, expectedExitCode, strings.Join(lines, "\n"), append([]string{"lint"}, filePaths...)...)291}292func assertGoldenFormat(t *testing.T, expectSuccess bool, filePath string) {293	output, exitCode := testDo(t, "format", filePath)294	expectedExitCode := 0295	if !expectSuccess {296		expectedExitCode = 255297	}298	assert.Equal(t, expectedExitCode, exitCode)299	golden, err := ioutil.ReadFile(filePath + ".golden")300	assert.NoError(t, err)301	assert.Equal(t, strings.TrimSpace(string(golden)), output)302}303func assertJSONToBinaryToJSON(t *testing.T, filePath string, messagePath string, jsonData string) {304	stdout, exitCode := testDo(t, "json-to-binary", filePath, messagePath, jsonData)305	assert.Equal(t, 0, exitCode)306	stdout, exitCode = testDo(t, "binary-to-json", filePath, messagePath, stdout)307	assert.Equal(t, 0, exitCode)308	assert.Equal(t, jsonData, stdout)309}310func assertGRPC(t *testing.T, expectedExitCode int, expectedLinePrefixes string, filePath string, method string, jsonData string) {311	excitedTestCase := startExcitedTestCase(t)312	defer excitedTestCase.Close()313	assertDoStdin(t, strings.NewReader(jsonData), expectedExitCode, expectedLinePrefixes, "grpc", filePath, excitedTestCase.Address(), method, "-")314}315func assertDoStdin(t *testing.T, stdin io.Reader, expectedExitCode int, expectedLinePrefixes string, args ...string) {316	assertDoInternal(t, stdin, expectedExitCode, expectedLinePrefixes, args...)317}318func assertDo(t *testing.T, expectedExitCode int, expectedLinePrefixes string, args ...string) {319	assertDoInternal(t, nil, expectedExitCode, expectedLinePrefixes, args...)320}321func testDoStdin(t *testing.T, stdin io.Reader, args ...string) (string, int) {322	testDownload(t)323	return testDoInternal(stdin, args...)324}325func testDo(t *testing.T, args ...string) (string, int) {326	testDownload(t)327	return testDoInternal(nil, args...)328}329func getCleanLines(output string) []string {330	var lines []string331	for _, line := range strings.Split(strings.TrimSpace(output), "\n") {332		line = strings.TrimSpace(line)333		if line == "" {334			continue335		}336		lines = append(lines, line)337	}338	return lines339}340type excitedTestCase struct {341	listener      net.Listener342	grpcServer    *grpc.Server343	excitedServer *excitedServer344}345func startExcitedTestCase(t *testing.T) *excitedTestCase {346	listener, err := getFreeListener()347	require.NoError(t, err)348	grpcServer := grpc.NewServer()349	excitedServer := newExcitedServer()350	grpcpb.RegisterExcitedServiceServer(grpcServer, excitedServer)351	go func() { _ = grpcServer.Serve(listener) }()352	return &excitedTestCase{353		listener:      listener,354		grpcServer:    grpcServer,355		excitedServer: excitedServer,356	}357}358func (c *excitedTestCase) Address() string {359	if c.listener == nil {360		return ""361	}362	return c.listener.Addr().String()363}364func (c *excitedTestCase) Close() {365	if c.grpcServer != nil {366		c.grpcServer.Stop()367	}368}369type excitedServer struct{}370func newExcitedServer() *excitedServer {371	return &excitedServer{}372}373func (s *excitedServer) Exclamation(ctx context.Context, request *grpcpb.ExclamationRequest) (*grpcpb.ExclamationResponse, error) {374	return &grpcpb.ExclamationResponse{375		Value: request.Value + "!",376	}, nil377}378func (s *excitedServer) ExclamationClientStream(streamServer grpcpb.ExcitedService_ExclamationClientStreamServer) error {379	value := ""380	for request, err := streamServer.Recv(); err != io.EOF; request, err = streamServer.Recv() {381		if err != nil {382			return err383		}384		value += request.Value385	}386	return streamServer.SendAndClose(&grpcpb.ExclamationResponse{387		Value: value + "!",388	})389}390func (s *excitedServer) ExclamationServerStream(request *grpcpb.ExclamationRequest, streamServer grpcpb.ExcitedService_ExclamationServerStreamServer) error {391	for _, c := range request.Value {392		if err := streamServer.Send(&grpcpb.ExclamationResponse{393			Value: string(c),394		}); err != nil {395			return err396		}397	}398	return streamServer.Send(&grpcpb.ExclamationResponse{399		Value: "!",400	})401}402func (s *excitedServer) ExclamationBidiStream(streamServer grpcpb.ExcitedService_ExclamationBidiStreamServer) error {403	for request, err := streamServer.Recv(); err != io.EOF; request, err = streamServer.Recv() {404		if err != nil {405			return err406		}407		if err := streamServer.Send(&grpcpb.ExclamationResponse{408			Value: request.Value + "!",409		}); err != nil {410			return err411		}412	}413	return nil414}415// do not use these in tests416func assertDoInternal(t *testing.T, stdin io.Reader, expectedExitCode int, expectedLinePrefixes string, args ...string) {417	stdout, exitCode := testDoStdin(t, stdin, args...)418	assert.Equal(t, expectedExitCode, exitCode)419	expectedLinePrefixesSplit := getCleanLines(expectedLinePrefixes)420	outputSplit := getCleanLines(stdout)421	require.Equal(t, len(expectedLinePrefixesSplit), len(outputSplit), strings.Join(outputSplit, "\n"))422	for i, expectedLinePrefix := range expectedLinePrefixesSplit {423		assert.True(t, strings.HasPrefix(outputSplit[i], expectedLinePrefix), "%s %d %s", expectedLinePrefix, i, strings.Join(outputSplit, "\n"))424	}425}426func testDownload(t *testing.T) {427	testLock.Lock()428	defer testLock.Unlock()429	if os.Getenv(cleanEnvKey) != "" {430		if !testCleaned {431			testCleaned = true432			stdout, exitCode := testDoInternal(nil, "clean")433			require.Equal(t, 0, exitCode, "had non-zero exit code when cleaning")434			require.Equal(t, "", stdout, "had output when cleaning")435		}436	}437	stdout, exitCode := testDoInternal(nil, "download")438	require.Equal(t, 0, exitCode, "had non-zero exit code when downloading: %s", stdout)439}440func testDoInternal(stdin io.Reader, args ...string) (string, int) {441	args = append(args,442		//"--debug",443		"--print-fields", "filename:line:column:id:message",444	)445	if stdin == nil {446		stdin = os.Stdin447	}448	buffer := bytes.NewBuffer(nil)449	exitCode := Do(args, stdin, buffer, os.Stderr)450	return strings.TrimSpace(buffer.String()), exitCode451}452func getFreeListener() (net.Listener, error) {453	address, err := net.ResolveTCPAddr("tcp", "127.0.0.1:0")454	if err != nil {455		return nil, err456	}457	return net.ListenTCP("tcp", address)458}...

EXPECT

Using AI Code Generation

1import (2func main() {3    g := gomega.NewGomegaWithT(t)4    g.Expect(1).To(gomega.BeEquivalentTo(1))5    fmt.Println("Hello, playground")6}7import (8func main() {9    g := gomega.NewGomegaWithT(t)10    g.Expect(1).To(gomega.BeEquivalentTo(1))11    fmt.Println("Hello, playground")12}13import (14func main() {15    g := gomega.NewGomegaWithT(t)16    g.Expect(1).To(gomega.BeEquivalentTo(1))17    fmt.Println("Hello, playground")18}19import (20func main() {21    g := gomega.NewGomegaWithT(t)22    g.Expect(1).To(gomega.BeEquivalentTo(1))23    fmt.Println("Hello, playground")24}25import (26func main() {27    g := gomega.NewGomegaWithT(t)28    g.Expect(1).To(gomega.BeEquivalentTo(1))29    fmt.Println("Hello, playground")30}31import (32func main() {33    g := gomega.NewGomegaWithT(t)34    g.Expect(1).To(gomega.BeEquivalentTo(1))35    fmt.Println("Hello, playground")36}

EXPECT

Using AI Code Generation

1import (2"extra_import"3func main() {4fmt.Println("Hello, World!")5fmt.Println(extra_import.EXPECT("Hello, World!"))6}7import (8"extra_import"9func main() {10fmt.Println("Hello, World!")11fmt.Println(extra_import.EXPECT("Hello, World!"))12}13import (14"extra_import"15func main() {16fmt.Println("Hello, World!")17fmt.Println(extra_import.EXPECT("Hello, World!"))18}19import (20"extra_import"21func main() {22fmt.Println("Hello, World!")23fmt.Println(extra_import.EXPECT("Hello, World!"))24}25import (26"extra_import"27func main() {28fmt.Println("Hello, World!")29fmt.Println(extra_import.EXPECT("Hello, World!"))30}31import (32"extra_import"33func main() {34fmt.Println("Hello, World!")35fmt.Println(extra_import.EXPECT("Hello, World!"))36}37import (38"extra_import"39func main() {40fmt.Println("Hello, World!")41fmt.Println(extra_import.EXPECT("Hello, World!"))42}43import (44"extra_import"45func main() {46fmt.Println("Hello, World!")47fmt.Println(extra_import.EXPECT("Hello, World!"))48}

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