How to use Len method of td Package

Best Go-testdeep code snippet using td.Len

discovery_test.go

Source:discovery_test.go

1// Copyright 2018 TiKV Project Authors.2//3// Licensed under the Apache License, Version 2.0 (the "License");4// you may not use this file except in compliance with the License.5// You may obtain a copy of the License at6//7//     http://www.apache.org/licenses/LICENSE-2.08//9// Unless required by applicable law or agreed to in writing, software10// distributed under the License is distributed on an "AS IS" BASIS,11// See the License for the specific language governing permissions and12// limitations under the License.13package discovery14import (15	"fmt"16	"os"17	"strings"18	"testing"19	. "github.com/onsi/gomega"20	"github.com/pingcap/kvproto/pkg/pdpb"21	"github.com/tikv/tikv-operator/pkg/apis/tikv/v1alpha1"22	"github.com/tikv/tikv-operator/pkg/pdapi"23	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"24	kubefake "k8s.io/client-go/kubernetes/fake"25)26func TestDiscoveryDiscovery(t *testing.T) {27	g := NewGomegaWithT(t)28	type testcase struct {29		name         string30		ns           string31		url          string32		clusters     map[string]*clusterInfo33		tcFn         func() (*v1alpha1.TikvCluster, error)34		getMembersFn func() (*pdapi.MembersInfo, error)35		expectFn     func(*GomegaWithT, *pdDiscovery, string, error)36	}37	testFn := func(test *testcase, t *testing.T) {38		t.Log(test.name)39		kubeCli := kubefake.NewSimpleClientset()40		fakePDControl := pdapi.NewFakePDControl(kubeCli)41		pdClient := pdapi.NewFakePDClient()42		tc, err := test.tcFn()43		if err == nil {44			fakePDControl.SetPDClient(pdapi.Namespace(tc.GetNamespace()), tc.GetName(), pdClient)45		}46		pdClient.AddReaction(pdapi.GetMembersActionType, func(action *pdapi.Action) (interface{}, error) {47			return test.getMembersFn()48		})49		td := &pdDiscovery{50			pdControl: fakePDControl,51			tcGetFn: func(ns, tcName string) (*v1alpha1.TikvCluster, error) {52				return tc, err53			},54			clusters: test.clusters,55		}56		os.Setenv("MY_POD_NAMESPACE", test.ns)57		re, err := td.Discover(test.url)58		test.expectFn(g, td, re, err)59	}60	tests := []testcase{61		{62			name:     "advertisePeerUrl is empty",63			ns:       "default",64			url:      "",65			clusters: map[string]*clusterInfo{},66			tcFn:     newTC,67			expectFn: func(g *GomegaWithT, td *pdDiscovery, s string, err error) {68				g.Expect(err).To(HaveOccurred())69				g.Expect(strings.Contains(err.Error(), "advertisePeerUrl is empty")).To(BeTrue())70				g.Expect(len(td.clusters)).To(BeZero())71			},72		},73		{74			name:     "advertisePeerUrl is wrong",75			ns:       "default",76			url:      "demo-pd-0.demo-pd-peer.default:2380",77			clusters: map[string]*clusterInfo{},78			tcFn:     newTC,79			expectFn: func(g *GomegaWithT, td *pdDiscovery, s string, err error) {80				g.Expect(err).To(HaveOccurred())81				g.Expect(strings.Contains(err.Error(), "advertisePeerUrl format is wrong: ")).To(BeTrue())82				g.Expect(len(td.clusters)).To(BeZero())83			},84		},85		{86			name:     "namespace is wrong",87			ns:       "default1",88			url:      "demo-pd-0.demo-pd-peer.default.svc:2380",89			clusters: map[string]*clusterInfo{},90			tcFn:     newTC,91			expectFn: func(g *GomegaWithT, td *pdDiscovery, s string, err error) {92				g.Expect(err).To(HaveOccurred())93				g.Expect(strings.Contains(err.Error(), "is not equal to discovery namespace:")).To(BeTrue())94				g.Expect(len(td.clusters)).To(BeZero())95			},96		},97		{98			name:     "failed to get tidbcluster",99			ns:       "default",100			url:      "demo-pd-0.demo-pd-peer.default.svc:2380",101			clusters: map[string]*clusterInfo{},102			tcFn: func() (*v1alpha1.TikvCluster, error) {103				return nil, fmt.Errorf("failed to get tidbcluster")104			},105			expectFn: func(g *GomegaWithT, td *pdDiscovery, s string, err error) {106				g.Expect(err).To(HaveOccurred())107				g.Expect(strings.Contains(err.Error(), "failed to get tidbcluster")).To(BeTrue())108				g.Expect(len(td.clusters)).To(BeZero())109			},110		},111		{112			name:     "failed to get members",113			ns:       "default",114			url:      "demo-pd-0.demo-pd-peer.default.svc:2380",115			clusters: map[string]*clusterInfo{},116			tcFn:     newTC,117			getMembersFn: func() (*pdapi.MembersInfo, error) {118				return nil, fmt.Errorf("get members failed")119			},120			expectFn: func(g *GomegaWithT, td *pdDiscovery, s string, err error) {121				g.Expect(err).To(HaveOccurred())122				g.Expect(strings.Contains(err.Error(), "get members failed")).To(BeTrue())123				g.Expect(len(td.clusters)).To(Equal(1))124				g.Expect(len(td.clusters["default/demo"].peers)).To(Equal(1))125				g.Expect(td.clusters["default/demo"].peers["demo-pd-0"]).To(Equal(struct{}{}))126			},127		},128		{129			name: "resourceVersion changed",130			ns:   "default",131			url:  "demo-pd-0.demo-pd-peer.default.svc:2380",132			tcFn: newTC,133			getMembersFn: func() (*pdapi.MembersInfo, error) {134				return nil, fmt.Errorf("getMembers failed")135			},136			clusters: map[string]*clusterInfo{137				"default/demo": {138					resourceVersion: "2",139					peers: map[string]struct{}{140						"demo-pd-0": {},141						"demo-pd-1": {},142					},143				},144			},145			expectFn: func(g *GomegaWithT, td *pdDiscovery, s string, err error) {146				g.Expect(err).To(HaveOccurred())147				g.Expect(strings.Contains(err.Error(), "getMembers failed")).To(BeTrue())148				g.Expect(len(td.clusters)).To(Equal(1))149				g.Expect(len(td.clusters["default/demo"].peers)).To(Equal(1))150				g.Expect(td.clusters["default/demo"].peers["demo-pd-0"]).To(Equal(struct{}{}))151			},152		},153		{154			name:     "1 cluster, first ordinal, there are no pd members",155			ns:       "default",156			url:      "demo-pd-0.demo-pd-peer.default.svc:2380",157			clusters: map[string]*clusterInfo{},158			tcFn:     newTC,159			getMembersFn: func() (*pdapi.MembersInfo, error) {160				return nil, fmt.Errorf("there are no pd members")161			},162			expectFn: func(g *GomegaWithT, td *pdDiscovery, s string, err error) {163				g.Expect(err).To(HaveOccurred())164				g.Expect(strings.Contains(err.Error(), "there are no pd members")).To(BeTrue())165				g.Expect(len(td.clusters)).To(Equal(1))166				g.Expect(len(td.clusters["default/demo"].peers)).To(Equal(1))167				g.Expect(td.clusters["default/demo"].peers["demo-pd-0"]).To(Equal(struct{}{}))168			},169		},170		{171			name: "1 cluster, second ordinal, there are no pd members",172			ns:   "default",173			url:  "demo-pd-1.demo-pd-peer.default.svc:2380",174			tcFn: newTC,175			getMembersFn: func() (*pdapi.MembersInfo, error) {176				return nil, fmt.Errorf("there are no pd members 2")177			},178			clusters: map[string]*clusterInfo{179				"default/demo": {180					resourceVersion: "1",181					peers: map[string]struct{}{182						"demo-pd-0": {},183					},184				},185			},186			expectFn: func(g *GomegaWithT, td *pdDiscovery, s string, err error) {187				g.Expect(err).To(HaveOccurred())188				g.Expect(strings.Contains(err.Error(), "there are no pd members 2")).To(BeTrue())189				g.Expect(len(td.clusters)).To(Equal(1))190				g.Expect(len(td.clusters["default/demo"].peers)).To(Equal(2))191				g.Expect(td.clusters["default/demo"].peers["demo-pd-0"]).To(Equal(struct{}{}))192				g.Expect(td.clusters["default/demo"].peers["demo-pd-1"]).To(Equal(struct{}{}))193			},194		},195		{196			name: "1 cluster, third ordinal, return the initial-cluster args",197			ns:   "default",198			url:  "demo-pd-2.demo-pd-peer.default.svc:2380",199			tcFn: newTC,200			clusters: map[string]*clusterInfo{201				"default/demo": {202					resourceVersion: "1",203					peers: map[string]struct{}{204						"demo-pd-0": {},205						"demo-pd-1": {},206					},207				},208			},209			expectFn: func(g *GomegaWithT, td *pdDiscovery, s string, err error) {210				g.Expect(err).NotTo(HaveOccurred())211				g.Expect(len(td.clusters)).To(Equal(1))212				g.Expect(len(td.clusters["default/demo"].peers)).To(Equal(2))213				g.Expect(td.clusters["default/demo"].peers["demo-pd-0"]).To(Equal(struct{}{}))214				g.Expect(td.clusters["default/demo"].peers["demo-pd-1"]).To(Equal(struct{}{}))215				g.Expect(s).To(Equal("--initial-cluster=demo-pd-2=http://demo-pd-2.demo-pd-peer.default.svc:2380"))216			},217		},218		{219			name: "1 cluster, the first ordinal second request, get members failed",220			ns:   "default",221			url:  "demo-pd-0.demo-pd-peer.default.svc:2380",222			tcFn: newTC,223			getMembersFn: func() (*pdapi.MembersInfo, error) {224				return nil, fmt.Errorf("there are no pd members 3")225			},226			clusters: map[string]*clusterInfo{227				"default/demo": {228					resourceVersion: "1",229					peers: map[string]struct{}{230						"demo-pd-0": {},231						"demo-pd-1": {},232					},233				},234			},235			expectFn: func(g *GomegaWithT, td *pdDiscovery, s string, err error) {236				g.Expect(err).To(HaveOccurred())237				g.Expect(strings.Contains(err.Error(), "there are no pd members 3")).To(BeTrue())238				g.Expect(len(td.clusters)).To(Equal(1))239				g.Expect(len(td.clusters["default/demo"].peers)).To(Equal(2))240				g.Expect(td.clusters["default/demo"].peers["demo-pd-0"]).To(Equal(struct{}{}))241				g.Expect(td.clusters["default/demo"].peers["demo-pd-1"]).To(Equal(struct{}{}))242			},243		},244		{245			name: "1 cluster, the first ordinal third request, get members success",246			ns:   "default",247			url:  "demo-pd-0.demo-pd-peer.default.svc:2380",248			tcFn: newTC,249			getMembersFn: func() (*pdapi.MembersInfo, error) {250				return &pdapi.MembersInfo{251					Members: []*pdpb.Member{252						{253							PeerUrls: []string{"demo-pd-2.demo-pd-peer.default.svc:2380"},254						},255					},256				}, nil257			},258			clusters: map[string]*clusterInfo{259				"default/demo": {260					resourceVersion: "1",261					peers: map[string]struct{}{262						"demo-pd-0": {},263						"demo-pd-1": {},264					},265				},266			},267			expectFn: func(g *GomegaWithT, td *pdDiscovery, s string, err error) {268				g.Expect(err).NotTo(HaveOccurred())269				g.Expect(len(td.clusters)).To(Equal(1))270				g.Expect(len(td.clusters["default/demo"].peers)).To(Equal(1))271				g.Expect(td.clusters["default/demo"].peers["demo-pd-1"]).To(Equal(struct{}{}))272				g.Expect(s).To(Equal("--join=demo-pd-2.demo-pd-peer.default.svc:2379"))273			},274		},275		{276			name: "1 cluster, the second ordinal second request, get members success",277			ns:   "default",278			url:  "demo-pd-1.demo-pd-peer.default.svc:2380",279			tcFn: newTC,280			getMembersFn: func() (*pdapi.MembersInfo, error) {281				return &pdapi.MembersInfo{282					Members: []*pdpb.Member{283						{284							PeerUrls: []string{"demo-pd-0.demo-pd-peer.default.svc:2380"},285						},286						{287							PeerUrls: []string{"demo-pd-2.demo-pd-peer.default.svc:2380"},288						},289					},290				}, nil291			},292			clusters: map[string]*clusterInfo{293				"default/demo": {294					resourceVersion: "1",295					peers: map[string]struct{}{296						"demo-pd-1": {},297					},298				},299			},300			expectFn: func(g *GomegaWithT, td *pdDiscovery, s string, err error) {301				g.Expect(err).NotTo(HaveOccurred())302				g.Expect(len(td.clusters)).To(Equal(1))303				g.Expect(len(td.clusters["default/demo"].peers)).To(Equal(0))304				g.Expect(s).To(Equal("--join=demo-pd-0.demo-pd-peer.default.svc:2379,demo-pd-2.demo-pd-peer.default.svc:2379"))305			},306		},307		{308			name: "1 cluster, the fourth ordinal request, get members success",309			ns:   "default",310			url:  "demo-pd-3.demo-pd-peer.default.svc:2380",311			tcFn: func() (*v1alpha1.TikvCluster, error) {312				tc, _ := newTC()313				tc.Spec.PD.Replicas = 5314				return tc, nil315			},316			getMembersFn: func() (*pdapi.MembersInfo, error) {317				return &pdapi.MembersInfo{318					Members: []*pdpb.Member{319						{320							PeerUrls: []string{"demo-pd-0.demo-pd-peer.default.svc:2380"},321						},322						{323							PeerUrls: []string{"demo-pd-1.demo-pd-peer.default.svc:2380"},324						},325						{326							PeerUrls: []string{"demo-pd-2.demo-pd-peer.default.svc:2380"},327						},328					},329				}, nil330			},331			clusters: map[string]*clusterInfo{332				"default/demo": {333					resourceVersion: "1",334					peers:           map[string]struct{}{},335				},336			},337			expectFn: func(g *GomegaWithT, td *pdDiscovery, s string, err error) {338				g.Expect(err).NotTo(HaveOccurred())339				g.Expect(len(td.clusters)).To(Equal(1))340				g.Expect(len(td.clusters["default/demo"].peers)).To(Equal(0))341				g.Expect(s).To(Equal("--join=demo-pd-0.demo-pd-peer.default.svc:2379,demo-pd-1.demo-pd-peer.default.svc:2379,demo-pd-2.demo-pd-peer.default.svc:2379"))342			},343		},344		{345			name: "2 clusters, the five ordinal request, get members success",346			ns:   "default",347			url:  "demo-pd-3.demo-pd-peer.default.svc:2380",348			tcFn: func() (*v1alpha1.TikvCluster, error) {349				tc, _ := newTC()350				tc.Spec.PD.Replicas = 5351				return tc, nil352			},353			getMembersFn: func() (*pdapi.MembersInfo, error) {354				return &pdapi.MembersInfo{355					Members: []*pdpb.Member{356						{357							PeerUrls: []string{"demo-pd-0.demo-pd-peer.default.svc:2380"},358						},359						{360							PeerUrls: []string{"demo-pd-1.demo-pd-peer.default.svc:2380"},361						},362						{363							PeerUrls: []string{"demo-pd-2.demo-pd-peer.default.svc:2380"},364						},365						{366							PeerUrls: []string{"demo-pd-3.demo-pd-peer.default.svc:2380"},367						},368					},369				}, nil370			},371			clusters: map[string]*clusterInfo{372				"default/demo": {373					resourceVersion: "1",374					peers:           map[string]struct{}{},375				},376				"default/demo-1": {377					peers: map[string]struct{}{378						"demo-1-pd-0": {},379						"demo-1-pd-1": {},380						"demo-1-pd-2": {},381					},382				},383			},384			expectFn: func(g *GomegaWithT, td *pdDiscovery, s string, err error) {385				g.Expect(err).NotTo(HaveOccurred())386				g.Expect(len(td.clusters)).To(Equal(2))387				g.Expect(len(td.clusters["default/demo"].peers)).To(Equal(0))388				g.Expect(len(td.clusters["default/demo-1"].peers)).To(Equal(3))389				g.Expect(s).To(Equal("--join=demo-pd-0.demo-pd-peer.default.svc:2379,demo-pd-1.demo-pd-peer.default.svc:2379,demo-pd-2.demo-pd-peer.default.svc:2379,demo-pd-3.demo-pd-peer.default.svc:2379"))390			},391		},392	}393	for i := range tests {394		testFn(&tests[i], t)395	}396}397func newTC() (*v1alpha1.TikvCluster, error) {398	return &v1alpha1.TikvCluster{399		TypeMeta: metav1.TypeMeta{Kind: "TikvCluster", APIVersion: "v1alpha1"},400		ObjectMeta: metav1.ObjectMeta{401			Name:            "demo",402			Namespace:       metav1.NamespaceDefault,403			ResourceVersion: "1",404		},405		Spec: v1alpha1.TikvClusterSpec{406			PD: v1alpha1.PDSpec{Replicas: 3},407		},408	}, nil409}...

data.go

Source:data.go

...35		td[i] = zeroValueTriangleData36	}37	return &td38}39// Len returns the number of vertices in TrianglesData.40func (td *TrianglesData) Len() int {41	return len(*td)42}43// SetLen resizes TrianglesData to len, while keeping the original content.44//45// If len is greater than TrianglesData's current length, the new data is filled with default46// values ((0, 0), white, (0, 0), 0).47func (td *TrianglesData) SetLen(len int) {48	if len > td.Len() {49		needAppend := len - td.Len()50		for i := 0; i < needAppend; i++ {51			*td = append(*td, zeroValueTriangleData)52		}53	}54	if len < td.Len() {55		*td = (*td)[:len]56	}57}58// Slice returns a sub-Triangles of this TrianglesData.59func (td *TrianglesData) Slice(i, j int) Triangles {60	s := TrianglesData((*td)[i:j])61	return &s62}63func (td *TrianglesData) updateData(t Triangles) {64	// fast path optimization65	if t, ok := t.(*TrianglesData); ok {66		copy(*td, *t)67		return68	}69	// slow path manual copy70	if t, ok := t.(TrianglesPosition); ok {71		for i := range *td {72			(*td)[i].Position = t.Position(i)73		}74	}75	if t, ok := t.(TrianglesColor); ok {76		for i := range *td {77			(*td)[i].Color = t.Color(i)78		}79	}80	if t, ok := t.(TrianglesPicture); ok {81		for i := range *td {82			(*td)[i].Picture, (*td)[i].Intensity = t.Picture(i)83		}84	}85	if t, ok := t.(TrianglesClipped); ok {86		for i := range *td {87			(*td)[i].ClipRect, (*td)[i].IsClipped = t.ClipRect(i)88		}89	}90}91// Update copies vertex properties from the supplied Triangles into this TrianglesData.92//93// TrianglesPosition, TrianglesColor and TrianglesTexture are supported.94func (td *TrianglesData) Update(t Triangles) {95	if td.Len() != t.Len() {96		panic(fmt.Errorf("(%T).Update: invalid triangles length", td))97	}98	td.updateData(t)99}100// Copy returns an exact independent copy of this TrianglesData.101func (td *TrianglesData) Copy() Triangles {102	copyTd := MakeTrianglesData(td.Len())103	copyTd.Update(td)104	return copyTd105}106// Position returns the position property of i-th vertex.107func (td *TrianglesData) Position(i int) Vec {108	return (*td)[i].Position109}110// Color returns the color property of i-th vertex.111func (td *TrianglesData) Color(i int) RGBA {112	return (*td)[i].Color113}114// Picture returns the picture property of i-th vertex.115func (td *TrianglesData) Picture(i int) (pic Vec, intensity float64) {116	return (*td)[i].Picture, (*td)[i].Intensity...

ir_impl.go

Source:ir_impl.go

...13	rows    *sql.Rows14	hasNext bool15	args    []interface{}16}17func newRowIter(rows *sql.Rows, argLen int) *rowIter {18	r := &rowIter{19		rows:    rows,20		hasNext: false,21		args:    make([]interface{}, argLen),22	}23	r.hasNext = r.rows.Next()24	return r25}26func (iter *rowIter) Close() error {27	return iter.rows.Close()28}29func (iter *rowIter) Decode(row RowReceiver) error {30	return decodeFromRows(iter.rows, iter.args, row)31}32func (iter *rowIter) Error() error {33	return errors.Trace(iter.rows.Err())34}35func (iter *rowIter) Next() {36	iter.hasNext = iter.rows.Next()37}38func (iter *rowIter) HasNext() bool {39	return iter.hasNext40}41// multiQueriesChunkIter implements the SQLRowIter interface.42// Note: To create a rowIter, please use `newRowIter()` instead of struct literal.43type multiQueriesChunkIter struct {44	tctx    *tcontext.Context45	conn    *sql.Conn46	rows    *sql.Rows47	hasNext bool48	id      int49	queries []string50	args    []interface{}51	err     error52}53func newMultiQueryChunkIter(tctx *tcontext.Context, conn *sql.Conn, queries []string, argLen int) *multiQueriesChunkIter {54	r := &multiQueriesChunkIter{55		tctx:    tctx,56		conn:    conn,57		queries: queries,58		id:      0,59		args:    make([]interface{}, argLen),60	}61	r.nextRows()62	return r63}64func (iter *multiQueriesChunkIter) nextRows() {65	if iter.id >= len(iter.queries) {66		iter.hasNext = false67		return68	}69	var err error70	defer func() {71		if err != nil {72			iter.hasNext = false73			iter.err = errors.Trace(err)74		}75	}()76	tctx, conn := iter.tctx, iter.conn77	// avoid the empty chunk78	for iter.id < len(iter.queries) {79		rows := iter.rows80		if rows != nil {81			err = rows.Close()82			if err != nil {83				return84			}85			err = rows.Err()86			if err != nil {87				return88			}89		}90		tctx.L().Debug("try to start nextRows", zap.String("query", iter.queries[iter.id]))91		rows, err = conn.QueryContext(tctx, iter.queries[iter.id])92		if err != nil {93			return94		}95		if err = rows.Err(); err != nil {96			return97		}98		iter.id++99		iter.rows = rows100		iter.hasNext = iter.rows.Next()101		if iter.hasNext {102			return103		}104	}105}106func (iter *multiQueriesChunkIter) Close() error {107	if iter.err != nil {108		return iter.err109	}110	if iter.rows != nil {111		return iter.rows.Close()112	}113	return nil114}115func (iter *multiQueriesChunkIter) Decode(row RowReceiver) error {116	if iter.err != nil {117		return iter.err118	}119	if iter.rows == nil {120		return errors.Errorf("no valid rows found, id: %d", iter.id)121	}122	return decodeFromRows(iter.rows, iter.args, row)123}124func (iter *multiQueriesChunkIter) Error() error {125	if iter.err != nil {126		return iter.err127	}128	if iter.rows != nil {129		return errors.Trace(iter.rows.Err())130	}131	return nil132}133func (iter *multiQueriesChunkIter) Next() {134	if iter.err == nil {135		iter.hasNext = iter.rows.Next()136		if !iter.hasNext {137			iter.nextRows()138		}139	}140}141func (iter *multiQueriesChunkIter) HasNext() bool {142	return iter.hasNext143}144type stringIter struct {145	idx int146	ss  []string147}148func newStringIter(ss ...string) StringIter {149	return &stringIter{150		idx: 0,151		ss:  ss,152	}153}154func (m *stringIter) Next() string {155	if m.idx >= len(m.ss) {156		return ""157	}158	ret := m.ss[m.idx]159	m.idx++160	return ret161}162func (m *stringIter) HasNext() bool {163	return m.idx < len(m.ss)164}165type tableData struct {166	query        string167	rows         *sql.Rows168	colLen       int169	needColTypes bool170	colTypes     []string171	SQLRowIter172}173func newTableData(query string, colLength int, needColTypes bool) *tableData {174	return &tableData{175		query:        query,176		colLen:       colLength,177		needColTypes: needColTypes,178	}179}180func (td *tableData) Start(tctx *tcontext.Context, conn *sql.Conn) error {181	tctx.L().Debug("try to start tableData", zap.String("query", td.query))182	rows, err := conn.QueryContext(tctx, td.query)183	if err != nil {184		return errors.Annotatef(err, "sql: %s", td.query)185	}186	if err = rows.Err(); err != nil {187		return errors.Annotatef(err, "sql: %s", td.query)188	}189	td.SQLRowIter = nil190	td.rows = rows191	if td.needColTypes {192		ns, err := rows.Columns()193		if err != nil {194			return errors.Trace(err)195		}196		td.colLen = len(ns)197		td.colTypes = make([]string, 0, td.colLen)198		colTps, err := rows.ColumnTypes()199		if err != nil {200			return errors.Trace(err)201		}202		for _, c := range colTps {203			td.colTypes = append(td.colTypes, c.DatabaseTypeName())204		}205	}206	return nil207}208func (td *tableData) Rows() SQLRowIter {209	if td.SQLRowIter == nil {210		td.SQLRowIter = newRowIter(td.rows, td.colLen)211	}212	return td.SQLRowIter213}214func (td *tableData) Close() error {215	return td.SQLRowIter.Close()216}217func (td *tableData) RawRows() *sql.Rows {218	return td.rows219}220type tableMeta struct {221	database         string222	table            string223	colTypes         []*sql.ColumnType224	selectedField    string225	selectedLen      int226	specCmts         []string227	showCreateTable  string228	showCreateView   string229	avgRowLength     uint64230	hasImplicitRowID bool231}232func (tm *tableMeta) ColumnTypes() []string {233	colTypes := make([]string, len(tm.colTypes))234	for i, ct := range tm.colTypes {235		colTypes[i] = ct.DatabaseTypeName()236	}237	return colTypes238}239func (tm *tableMeta) ColumnNames() []string {240	colNames := make([]string, len(tm.colTypes))241	for i, ct := range tm.colTypes {242		colNames[i] = ct.Name()243	}244	return colNames245}246func (tm *tableMeta) DatabaseName() string {247	return tm.database248}249func (tm *tableMeta) TableName() string {250	return tm.table251}252func (tm *tableMeta) ColumnCount() uint {253	return uint(len(tm.colTypes))254}255func (tm *tableMeta) SelectedField() string {256	return tm.selectedField257}258func (tm *tableMeta) SelectedLen() int {259	return tm.selectedLen260}261func (tm *tableMeta) SpecialComments() StringIter {262	return newStringIter(tm.specCmts...)263}264func (tm *tableMeta) ShowCreateTable() string {265	return tm.showCreateTable266}267func (tm *tableMeta) ShowCreateView() string {268	return tm.showCreateView269}270func (tm *tableMeta) AvgRowLength() uint64 {271	return tm.avgRowLength272}273func (tm *tableMeta) HasImplicitRowID() bool {274	return tm.hasImplicitRowID275}276type metaData struct {277	target   string278	metaSQL  string279	specCmts []string280}281func (m *metaData) SpecialComments() StringIter {282	return newStringIter(m.specCmts...)283}284func (m *metaData) TargetName() string {285	return m.target286}287func (m *metaData) MetaSQL() string {288	if !strings.HasSuffix(m.metaSQL, ";\n") {289		m.metaSQL += ";\n"290	}291	return m.metaSQL292}293type multiQueriesChunk struct {294	tctx    *tcontext.Context295	conn    *sql.Conn296	queries []string297	colLen  int298	SQLRowIter299}300func newMultiQueriesChunk(queries []string, colLength int) *multiQueriesChunk {301	return &multiQueriesChunk{302		queries: queries,303		colLen:  colLength,304	}305}306func (td *multiQueriesChunk) Start(tctx *tcontext.Context, conn *sql.Conn) error {307	td.tctx = tctx308	td.conn = conn309	return nil310}311func (td *multiQueriesChunk) Rows() SQLRowIter {312	if td.SQLRowIter == nil {313		td.SQLRowIter = newMultiQueryChunkIter(td.tctx, td.conn, td.queries, td.colLen)314	}315	return td.SQLRowIter316}317func (td *multiQueriesChunk) Close() error {318	return td.SQLRowIter.Close()319}320func (td *multiQueriesChunk) RawRows() *sql.Rows {321	return nil322}...

Len

Using AI Code Generation

1import (2type td struct {3}4func (t td) Len() int {5}6func main() {7	t := td{3, 4}8	fmt.Println(t.Len())9}10import (11type td struct {12}13func (t td) Len() int {14}15func main() {16	t := td{3, 4}17	fmt.Println(t.Len())18}19import (20type td struct {21}22func (t td) Len() int {23}24func main() {25	t := td{3, 4}26	fmt.Println(t.Len())27}28import (29type td struct {30}31func (t td) Len() int {32}33func main() {34	t := td{3, 4}35	fmt.Println(t.Len())36}37import (38type td struct {39}40func (t td) Len() int {41}42func main() {43	t := td{3, 4}44	fmt.Println(t.Len())45}46import (47type td struct {48}49func (t td) Len() int {50}51func main() {52	t := td{3, 4}53	fmt.Println(t.Len())54}55import (56type td struct {57}58func (t td) Len() int {59}60func main() {61	t := td{3, 4}62	fmt.Println(t.Len())63}

Len

Using AI Code Generation

1import "fmt"2type td struct {3}4func (t td) Len() float64 {5  return float64(t.x * t.y)6}7func main() {8  t := td{3, 4}9  fmt.Println(t.Len())10}11import "fmt"12type td struct {13}14func (t td) Len() float64 {15  return float64(t.x * t.y)16}17func main() {18  t := td{3, 4}19  fmt.Println(t.Len())20}21import "fmt"22type td struct {23}24func (t td) Len() float64 {25  return float64(t.x * t.y)26}27func main() {28  t := td{3, 4}29  fmt.Println(t.Len())30}31import "fmt"32type td struct {33}34func (t td) Len() float64 {35  return float64(t.x * t.y)36}37func main() {38  t := td{3, 4}39  fmt.Println(t.Len())40}41import "fmt"42type td struct {43}44func (t td) Len() float64 {45  return float64(t.x * t.y)46}47func main() {48  t := td{3, 4}49  fmt.Println(t.Len())50}51import "fmt"52type td struct {53}54func (t td) Len() float64 {55  return float64(t.x * t.y)56}57func main() {58  t := td{3, 4}59  fmt.Println(t.Len())60}

Len

Using AI Code Generation

1import (2type td struct {3}4func main() {5	t := td{1, 2}6	fmt.Println(t.Len())7}8import (9type td struct {10}11func (t td) Len() int {12}13func main() {14	t := td{1, 2}15	fmt.Println(t.Len())16}17import (18type td struct {19}20func (t *td) Len() int {21}22func main() {23	t := td{1, 2}24	fmt.Println(t.Len())25}26import (27type td struct {28}29func (t *td) Len() int {30}31func main() {32	t := &td{1, 2}33	fmt.Println(t.Len())34}35import (36type td struct {37}38func (t td) Len() int {39}40func main() {41	t := &td{1, 2}42	fmt.Println(t.Len())43}44import (45type td struct {46}47func (t td) Len() int {48}49func main() {50	t := td{1, 2}51	fmt.Println((&t).Len())52}53import (54type td struct {55}56func (t *td) Len() int {57}58func main() {59	t := &td{1, 2}60	fmt.Println(t.Len())61}62import (63type td struct {

Len

Using AI Code Generation

1import "fmt"2func main() {3	t := td{10, 20}4	fmt.Println(t.Len())5}6import "fmt"7func main() {8	t := td{10, 20}9	fmt.Println(t.Perimeter())10}11import "fmt"12func main() {13	t := td{10, 20}14	fmt.Println(t.Area())15}16import "fmt"17func main() {18	t := td{10, 20}19	t.Scale(2)20	fmt.Println(t)21}22import "fmt"23func main() {24	t := td{10, 20}25	t.Scale(2)26	fmt.Println(t)27}28import "fmt"29func main() {30	t := td{10, 20}31	t.Scale(2)32	fmt.Println(t)33}34import "fmt"35func main() {36	t := td{10, 20}37	t.Scale(2)38	fmt.Println(t)39}40import "fmt"41func main() {42	t := td{10, 20}43	t.Scale(2)44	fmt.Println(t)45}46import "fmt"47func main() {48	t := td{10, 20}49	t.Scale(2)50	fmt.Println(t)51}52import "fmt"53func main() {54	t := td{10, 20}55	t.Scale(2)56	fmt.Println(t)57}58import "fmt"59func main() {60	t := td{10, 20}61	t.Scale(2)62	fmt.Println(t)63}

Len

Using AI Code Generation

1import "fmt"2type td struct {3}4func (t td) Len() int {5}6func main() {7	t := td{10, 20}8	fmt.Println(t.Len())9}10import "fmt"11type td struct {12}13func (t td) Len() int {14}15func main() {16	t := td{10, 20}17	fmt.Println(t.Len())18}19import "fmt"20type td struct {21}22func (t td) Len() int {23}24func main() {25	t := td{10, 20}26	fmt.Println(t.Len())27}28import "fmt"29type td struct {30}31func (t td) Len() int {32}33func main() {34	t := td{10, 20}35	fmt.Println(t.Len())36}37import "fmt"38type td struct {39}40func (t td) Len() int {41}42func main() {43	t := td{10, 20}44	fmt.Println(t.Len())45}46import "fmt"47type td struct {48}49func (t td) Len() int {50}51func main() {52	t := td{10, 20}53	fmt.Println(t.Len())54}55import "fmt"56type td struct {57}58func (t td

Len

Using AI Code Generation

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

Len

Using AI Code Generation

1import (2func main() {3	fmt.Println(strings.Count(str, "l"))4	fmt.Println(strings.Count(str, "ll"))5	fmt.Println(strings.Count(str, "o"))6	fmt.Println(strings.Count(str, "lo"))7	fmt.Println(strings.Count(str, "o "))8	fmt.Println(strings.Count(str, "o  "))9	fmt.Println(strings.Count(str, " "))10	fmt.Println(strings.Count(str, ""))11	fmt.Println(strings.Count(str, "o  l"))12}13import (14func main() {15	fmt.Println(strings.Count(str, "l"))16	fmt.Println(strings.Count(str, "ll"))17	fmt.Println(strings.Count(str, "o"))18	fmt.Println(strings.Count(str, "lo"))19	fmt.Println(strings.Count(str, "o "))20	fmt.Println(strings.Count(str, "o  "))21	fmt.Println(strings.Count(str, " "))22	fmt.Println(strings.Count(str, ""))23	fmt.Println(strings.Count(str, "o  l"))24}25import (26func main() {27	fmt.Println(strings.Count(str, "l"))28	fmt.Println(strings.Count(str, "ll"))29	fmt.Println(strings.Count(str, "o"))30	fmt.Println(strings.Count(str, "lo"))31	fmt.Println(strings.Count(str, "o "))32	fmt.Println(strings.Count(str, "o  "))33	fmt.Println(strings.Count(str, " "))34	fmt.Println(strings.Count(str, ""))35	fmt.Println(strings.Count(str, "o  l"))36}37import (38func main() {

Len

Using AI Code Generation

1import (2type td struct {3}4func (t td) Len() int {5}6func main() {7	t := td{1, 2}8	fmt.Println(t.Len())9}10import (11type td struct {12}13func (t td) Len() int {14}15func main() {16	t := td{1, 2}17	fmt.Println(t.Len())18}19import (20type td struct {21}22func (t td) Len() int {23}24func main() {25	t := td{1, 2}26	fmt.Println(t.Len())27}28import (29type td struct {30}31func (t td) Len() int {32}33func main() {34	t := td{1, 2}35	fmt.Println(t.Len())36}37import (38type td struct {39}40func (t td) Len() int {41}42func main() {43	t := td{1, 2}44	fmt.Println(t.Len())45}46import (47type td struct {48}49func (t td) Len() int {

Len

Using AI Code Generation

1import (2type td struct {3}4func (t td) Len() int {5}6func main() {7 t := td{3, 4}8 fmt.Println(t.Len())9}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.