1. docker
  2. Commit e2390318bb4cc98886777bdad3fbb860942b8e65
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Devmapper: mock all calls to libdevmapper in the unit tests, and deny them by default

Solomon Hykes authored on 2013/11/21 08:27:52
Showing 2 changed files
graphdriver/devmapper/devmapper_wrapper.go
History View file @ e239031
... ... 
@@ -148,26 +148,26 @@ type (
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 )
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 var (
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-	DmTaskDestroy       = dmTaskDestroyFct
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+	DmAttachLoopDevice  = dmAttachLoopDeviceFct
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+	DmGetBlockSize      = dmGetBlockSizeFct
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+	DmGetLibraryVersion = dmGetLibraryVersionFct
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+	DmGetNextTarget     = dmGetNextTargetFct
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+	DmLogInitVerbose    = dmLogInitVerboseFct
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+	DmSetDevDir         = dmSetDevDirFct
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+	DmTaskAddTarget     = dmTaskAddTargetFct
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 	DmTaskCreate        = dmTaskCreateFct
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+	DmTaskDestroy       = dmTaskDestroyFct
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+	DmTaskGetInfo       = dmTaskGetInfoFct
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 	DmTaskRun           = dmTaskRunFct
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-	DmTaskSetName       = dmTaskSetNameFct
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-	DmTaskSetMessage    = dmTaskSetMessageFct
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-	DmTaskSetSector     = dmTaskSetSectorFct
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-	DmTaskSetCookie     = dmTaskSetCookieFct
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 	DmTaskSetAddNode    = dmTaskSetAddNodeFct
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+	DmTaskSetCookie     = dmTaskSetCookieFct
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+	DmTaskSetMessage    = dmTaskSetMessageFct
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+	DmTaskSetName       = dmTaskSetNameFct
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 	DmTaskSetRo         = dmTaskSetRoFct
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-	DmTaskAddTarget     = dmTaskAddTargetFct
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-	DmTaskGetInfo       = dmTaskGetInfoFct
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-	DmGetNextTarget     = dmGetNextTargetFct
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-	DmGetBlockSize      = dmGetBlockSizeFct
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-	DmAttachLoopDevice  = dmAttachLoopDeviceFct
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+	DmTaskSetSector     = dmTaskSetSectorFct
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 	DmUdevWait          = dmUdevWaitFct
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-	DmLogInitVerbose    = dmLogInitVerboseFct
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-	DmSetDevDir         = dmSetDevDirFct
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-	DmGetLibraryVersion = dmGetLibraryVersionFct
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-	LogWithErrnoInit    = logWithErrnoInitFct
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 	GetBlockSize        = getBlockSizeFct
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+	LogWithErrnoInit    = logWithErrnoInitFct
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 )
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 func free(p *C.char) {
graphdriver/devmapper/driver_test.go
History View file @ e239031
... ... 
@@ -12,6 +12,68 @@ func init() {
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 	DefaultMetaDataLoopbackSize = 200 * 1024 * 1024
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 	DefaultBaseFsSize = 300 * 1024 * 1024
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+	// Hijack all calls to libdevmapper with default panics.
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+	// Authorized calls are selectively hijacked in each tests.
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+	DmTaskCreate = func(t int) *CDmTask {
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+		panic("DmTaskCreate: this method should not be called here")
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+	}
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+	DmTaskRun = func(task *CDmTask) int {
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+		panic("DmTaskRun: this method should not be called here")
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+	}
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+	DmTaskSetName = func(task *CDmTask, name string) int {
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+		panic("DmTaskSetName: this method should not be called here")
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+	}
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+	DmTaskSetMessage = func(task *CDmTask, message string) int {
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+		panic("DmTaskSetMessage: this method should not be called here")
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+	}
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+	DmTaskSetSector = func(task *CDmTask, sector uint64) int {
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+		panic("DmTaskSetSector: this method should not be called here")
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+	}
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+	DmTaskSetCookie = func(task *CDmTask, cookie *uint, flags uint16) int {
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+		panic("DmTaskSetCookie: this method should not be called here")
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+	}
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+	DmTaskSetAddNode = func(task *CDmTask, addNode AddNodeType) int {
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+		panic("DmTaskSetAddNode: this method should not be called here")
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+	}
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+	DmTaskSetRo = func(task *CDmTask) int {
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+		panic("DmTaskSetRo: this method should not be called here")
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+	}
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+	DmTaskAddTarget = func(task *CDmTask, start, size uint64, ttype, params string) int {
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+		panic("DmTaskAddTarget: this method should not be called here")
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+	}
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+	DmTaskGetInfo = func(task *CDmTask, info *Info) int {
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+		panic("DmTaskGetInfo: this method should not be called here")
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+	}
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+	DmGetNextTarget = func(task *CDmTask, next uintptr, start, length *uint64, target, params *string) uintptr {
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+		panic("DmGetNextTarget: this method should not be called here")
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+	}
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+	DmAttachLoopDevice = func(filename string, fd *int) string {
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+		panic("DmAttachLoopDevice: this method should not be called here")
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+	}
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+	DmGetBlockSize = func(fd uintptr) (int64, sysErrno) {
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+		panic("DmGetBlockSize: this method should not be called here")
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+	}
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+	DmUdevWait = func(cookie uint) int {
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+		panic("DmUdevWait: this method should not be called here")
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+	}
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+	DmSetDevDir = func(dir string) int {
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+		panic("DmSetDevDir: this method should not be called here")
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+	}
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+	DmGetLibraryVersion = func(version *string) int {
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+		panic("DmGetLibraryVersion: this method should not be called here")
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+	}
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+	DmLogInitVerbose = func(level int) {
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+		panic("DmLogInitVerbose: this method should not be called here")
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+	}
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+	DmTaskDestroy = func(task *CDmTask) {
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+		panic("DmTaskDestroy: this method should not be called here")
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+	}
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+	GetBlockSize = func(fd uintptr, size *uint64) sysErrno {
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+		panic("GetBlockSize: this method should not be called here")
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+	}
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+	LogWithErrnoInit = func() {
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+		panic("LogWithErrnoInit: this method should not be called here")
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+	}
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 }
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 func mkTestDirectory(t *testing.T) string {