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How to use createManager method of state Package

Best Syzkaller code snippet using state.createManager

start_manager_test.go

Source:start_manager_test.go

...45	ensureJoin := func() {46		Expect(fakeDBHelper.StartMysqlInJoinCallCount()).To(Equal(1))47		ensureStateFileContentIs(Clustered)48	}49	createManager := func(args managerArgs) *StartManager {50		clusterIps := []string{}51		for i := 0; i < args.NodeCount; i++ {52			clusterIps = append(clusterIps, fmt.Sprintf("0.0.0.%d", i+1))53		}54		return New(55			fakeOs,56			config.StartManager{57				StateFileLocation:    stateFileLocation,58				MyIP:                 clusterIps[args.NodeIndex],59				ClusterIps:           clusterIps,60				MaxDatabaseSeedTries: maxDatabaseSeedTries,61			},62			fakeDBHelper,63			fakeUpgrader,64			testLogger,65			fakeClusterHealthChecker,66		)67	}68	BeforeEach(func() {69		testLogger = lagertest.NewTestLogger("start_manager")70		fakeOs = new(os_fakes.FakeOsHelper)71		fakeClusterHealthChecker = new(health_checker_fakes.FakeClusterHealthChecker)72		fakeUpgrader = new(upgrader_fakes.FakeUpgrader)73		fakeDBHelper = new(db_helper_fakes.FakeDBHelper)74		fakeDBHelper.IsDatabaseReachableReturns(true)75	})76	Context("When StartMysqlInBootstrap exits with an error", func() {77		BeforeEach(func() {78			mgr = createManager(managerArgs{79				NodeCount: 3,80			})81			fakeDBHelper.StartMysqlInBootstrapReturns(nil, errors.New("some errors"))82		})83		It("forwards the error", func() {84			err := mgr.Execute()85			Expect(err).To(HaveOccurred())86		})87	})88	Context("When StartMysqlInJoin exits with an error", func() {89		BeforeEach(func() {90			mgr = createManager(managerArgs{91				NodeIndex: 1,92				NodeCount: 3,93			})94			fakeDBHelper.StartMysqlInJoinReturns(nil, errors.New("some errors"))95		})96		It("forwards the error", func() {97			err := mgr.Execute()98			Expect(err).To(HaveOccurred())99		})100	})101	Describe("Upgrade", func() {102		Context("When determining whether an upgrade is required exits with an error", func() {103			BeforeEach(func() {104				mgr = createManager(managerArgs{105					NodeCount: 3,106				})107				fakeUpgrader.NeedsUpgradeReturns(false, errors.New("Error determining whether upgrade is required"))108			})109			It("forwards the error", func() {110				err := mgr.Execute()111				Expect(err).To(HaveOccurred())112			})113		})114		Context("When upgrade is required", func() {115			Context("And performing the upgrade exits with an error", func() {116				BeforeEach(func() {117					mgr = createManager(managerArgs{118						NodeCount: 3,119					})120					fakeUpgrader.NeedsUpgradeReturns(true, nil)121					fakeUpgrader.UpgradeReturns(errors.New("Error while performing upgrade"))122				})123				It("forwards the error", func() {124					err := mgr.Execute()125					Expect(err).To(HaveOccurred())126				})127			})128		})129	})130	Describe("SeedDatabases", func() {131		BeforeEach(func() {132			mgr = createManager(managerArgs{133				NodeCount: 1,134			})135		})136		Context("When the database is reachable", func() {137			BeforeEach(func() {138				fakeDBHelper.IsDatabaseReachableReturns(true)139			})140			Context("When the database seeding succeeds", func() {141				BeforeEach(func() {142					fakeDBHelper.SeedReturns(nil)143				})144				It("returns without error", func() {145					err := mgr.Execute()146					Expect(err).ToNot(HaveOccurred())147				})148			})149			Context("when database seeding fails", func() {150				var expectedErr error151				BeforeEach(func() {152					expectedErr = errors.New("seeding databases failed")153					fakeDBHelper.SeedReturns(expectedErr)154				})155				It("forwards the error", func() {156					err := mgr.Execute()157					Expect(err).To(Equal(expectedErr))158				})159			})160		})161		Context("When the database is not reachable initially, but then is reachable later", func() {162			BeforeEach(func() {163				numTries := 0164				fakeDBHelper.IsDatabaseReachableStub = func() bool {165					numTries++166					if numTries < maxDatabaseSeedTries {167						return false168					} else {169						return true170					}171				}172			})173			It("retries reaching the database, and seeds the database", func() {174				err := mgr.Execute()175				Expect(err).ToNot(HaveOccurred())176				Expect(fakeDBHelper.IsDatabaseReachableCallCount()).To(Equal(maxDatabaseSeedTries))177				Expect(fakeDBHelper.SeedCallCount()).To(Equal(1))178			})179		})180		Context("When the database is not reachable after maxDatabaseSeedTries", func() {181			var numTries int182			BeforeEach(func() {183				numTries = 0184				fakeDBHelper.IsDatabaseReachableStub = func() bool {185					numTries++186					return false187				}188			})189			It("does not attempt to seed the database", func() {190				mgr.Execute()191				Expect(numTries).To(Equal(maxDatabaseSeedTries))192				Expect(fakeDBHelper.IsDatabaseReachableCallCount()).To(Equal(maxDatabaseSeedTries))193				Expect(fakeDBHelper.SeedCallCount()).To(Equal(0))194			})195			It("exits and stops mysql (so the deploy fails) and does not write to the state file", func() {196				err := mgr.Execute()197				Expect(err).To(HaveOccurred())198				ensureNoWriteToStateFile()199			})200		})201	})202	Context("When starting in single-node deployment", func() {203		BeforeEach(func() {204			mgr = createManager(managerArgs{205				NodeCount: 1,206			})207		})208		Context("And it's an initial deploy", func() {209			BeforeEach(func() {210				fakeOs.FileExistsReturns(false)211			})212			It("bootstraps, seeds databases and writes '"+SingleNode+"' to file", func() {213				err := mgr.Execute()214				Expect(err).ToNot(HaveOccurred())215				ensureBootstrapWithStateFileContents(SingleNode)216				ensureSeedDatabases()217			})218		})219		Context("And it's a redeploy", func() {220			BeforeEach(func() {221				fakeOs.FileExistsReturns(true)222				fakeOs.ReadFileReturns(SingleNode, nil)223			})224			It("bootstraps, seeds databases and writes '"+SingleNode+"' to file", func() {225				err := mgr.Execute()226				Expect(err).ToNot(HaveOccurred())227				ensureBootstrapWithStateFileContents(SingleNode)228				ensureSeedDatabases()229			})230		})231	})232	Context("When starting in multi-node deployment", func() {233		Context("And it's an initial deploy, so there's no state file", func() {234			BeforeEach(func() {235				fakeOs.FileExistsReturns(false)236			})237			Context("And the IP of the current node is the first in the cluster", func() {238				BeforeEach(func() {239					mgr = createManager(managerArgs{240						NodeCount: 3,241					})242					fakeClusterHealthChecker.HealthyClusterReturns(false)243				})244				It("bootstraps, seeds databases and writes "+Clustered+" to file", func() {245					err := mgr.Execute()246					Expect(err).ToNot(HaveOccurred())247					ensureBootstrapWithStateFileContents(Clustered)248					ensureSeedDatabases()249				})250			})251			Context("And the IP of the current node is not the first in the cluster", func() {252				BeforeEach(func() {253					mgr = createManager(managerArgs{254						NodeIndex: 1,255						NodeCount: 3,256					})257					fakeClusterHealthChecker.HealthyClusterReturns(false)258				})259				It("joins cluster, seeds databases, and writes '"+Clustered+"' to file", func() {260					err := mgr.Execute()261					Expect(err).ToNot(HaveOccurred())262					ensureJoin()263					ensureSeedDatabases()264				})265			})266		})267		Context("When state file is present", func() {268			BeforeEach(func() {269				mgr = createManager(managerArgs{270					NodeCount: 3,271				})272				fakeOs.FileExistsReturns(true)273			})274			Context("And contains extra whitespace characters as well as a valid state", func() {275				BeforeEach(func() {276					fakeOs.ReadFileReturns(fmt.Sprintf("\n\n     %s \n", Clustered), nil)277				})278				It("joins the cluster and seeds the databases", func() {279					err := mgr.Execute()280					Expect(err).ToNot(HaveOccurred())281					ensureJoin()282					ensureSeedDatabases()283				})284			})285			Context("And reads '"+Clustered+"'", func() {286				BeforeEach(func() {287					fakeOs.ReadFileReturns(Clustered, nil)288				})289				It("joins the cluster and seeds the databases", func() {290					err := mgr.Execute()291					Expect(err).ToNot(HaveOccurred())292					ensureJoin()293					ensureSeedDatabases()294				})295			})296			Context("And reads '"+NeedsBootstrap+"'", func() {297				BeforeEach(func() {298					fakeOs.ReadFileReturns(NeedsBootstrap, nil)299				})300				It("joins cluster, seeds databases, and writes '"+Clustered+"' to file", func() {301					err := mgr.Execute()302					Expect(err).NotTo(HaveOccurred())303					ensureBootstrapWithStateFileContents(Clustered)304					ensureSeedDatabases()305				})306				Context("And one or more other nodes is reachable", func() {307					BeforeEach(func() {308						fakeClusterHealthChecker.HealthyClusterReturns(true)309						mgr = createManager(managerArgs{310							NodeCount: 3,311						})312					})313					It("joins the cluster and seeds databases", func() {314						err := mgr.Execute()315						Expect(err).ToNot(HaveOccurred())316						ensureJoin()317						ensureSeedDatabases()318					})319				})320				Context("And the IP of the current node is not the first in the cluster", func() {321					BeforeEach(func() {322						mgr = createManager(managerArgs{323							NodeIndex: 1,324							NodeCount: 3,325						})326					})327					It("bootstraps, seeds databases, and writes '"+Clustered+"' to file", func() {328						err := mgr.Execute()329						Expect(err).NotTo(HaveOccurred())330						ensureBootstrapWithStateFileContents(Clustered)331						ensureSeedDatabases()332					})333				})334			})335			Context("And contains an invalid state", func() {336				BeforeEach(func() {337					fakeOs.ReadFileReturns("INVALID_STATE", nil)338				})339				It("Forwards the error", func() {340					actualErr := mgr.Execute()341					Expect(actualErr).To(HaveOccurred())342				})343				It("does not join the cluster or seed the databases", func() {344					mgr.Execute()345					Expect(fakeDBHelper.StartMysqldInModeCallCount()).To(Equal(0))346					Expect(fakeDBHelper.SeedCallCount()).To(BeZero())347					ensureNoWriteToStateFile()348				})349			})350			Context("But is unreadable", func() {351				var err error352				BeforeEach(func() {353					err = errors.New("some error")354					fakeOs.ReadFileReturns("", err)355				})356				It("Forwards the error", func() {357					actualErr := mgr.Execute()358					Expect(actualErr).To(HaveOccurred())359					Expect(actualErr).To(Equal(err))360				})361				It("does not join the cluster or seed the databases", func() {362					mgr.Execute()363					Expect(fakeDBHelper.StartMysqldInModeCallCount()).To(Equal(0))364					Expect(fakeDBHelper.SeedCallCount()).To(BeZero())365					ensureNoWriteToStateFile()366				})367			})368		})369	})370	Context("When scaling the cluster", func() {371		Context("And scaling down from many nodes to single", func() {372			BeforeEach(func() {373				mgr = createManager(managerArgs{374					NodeCount: 1,375				})376				fakeOs.FileExistsReturns(true)377				fakeOs.ReadFileReturns(Clustered, nil)378			})379			It("seeds databases, bootstraps node 0 and writes '"+SingleNode+"' to file", func() {380				err := mgr.Execute()381				Expect(err).ToNot(HaveOccurred())382				ensureBootstrapWithStateFileContents(SingleNode)383				ensureSeedDatabases()384			})385		})386		Context("And scaling from one to many nodes", func() {387			BeforeEach(func() {388				mgr = createManager(managerArgs{389					NodeCount: 3,390				})391				fakeOs.FileExistsReturns(true)392				fakeOs.ReadFileReturns(SingleNode, nil)393			})394			It("seeds databases, bootstraps node 0 and writes '"+Clustered+"' to file", func() {395				err := mgr.Execute()396				Expect(err).ToNot(HaveOccurred())397				ensureBootstrapWithStateFileContents(Clustered)398				ensureSeedDatabases()399			})400		})401	})402})...

createManager

Using AI Code Generation

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

createManager

Using AI Code Generation

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

createManager

Using AI Code Generation

1func main() {2    state := NewState()3    manager := state.createManager("New")4    manager.manageState()5}6type State struct {7}8func (state *State) createManager(stateType string) Manager {9    manager := Manager{}10}11type Manager struct {12}13func (manager *Manager) manageState() {14    switch manager.stateType {15        fmt.Println("State is New")16        fmt.Println("State is Old")17        fmt.Println("State is Not Available")18        fmt.Println("Invalid State")19    }20}21func main() {22    state := NewState()23    manager := state.createManager("New")24    manager.manageState()25}26type State struct {27}28func (state *State) createManager(stateType string) Manager {29    manager := Manager{}30}31type Manager struct {32}

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