restic/internal/ui/restore/progress_test.go

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package restore
import (
"testing"
"time"
"github.com/restic/restic/internal/test"
)
type printerTraceEntry struct {
filesFinished, filesTotal, allBytesWritten, allBytesTotal uint64
duration time.Duration
isFinished bool
}
type printerTrace []printerTraceEntry
type mockPrinter struct {
trace printerTrace
}
const mockFinishDuration = 42 * time.Second
func (p *mockPrinter) Update(filesFinished, filesTotal, allBytesWritten, allBytesTotal uint64, duration time.Duration) {
p.trace = append(p.trace, printerTraceEntry{filesFinished, filesTotal, allBytesWritten, allBytesTotal, duration, false})
}
func (p *mockPrinter) Finish(filesFinished, filesTotal, allBytesWritten, allBytesTotal uint64, _ time.Duration) {
p.trace = append(p.trace, printerTraceEntry{filesFinished, filesTotal, allBytesWritten, allBytesTotal, mockFinishDuration, true})
}
func testProgress(fn func(progress *Progress) bool) printerTrace {
printer := &mockPrinter{}
progress := NewProgress(printer, 0)
final := fn(progress)
progress.update(0, final)
trace := append(printerTrace{}, printer.trace...)
// cleanup to avoid goroutine leak, but copy trace first
progress.Finish()
return trace
}
func TestNew(t *testing.T) {
result := testProgress(func(progress *Progress) bool {
return false
})
test.Equals(t, printerTrace{
printerTraceEntry{0, 0, 0, 0, 0, false},
}, result)
}
func TestAddFile(t *testing.T) {
fileSize := uint64(100)
result := testProgress(func(progress *Progress) bool {
progress.AddFile(fileSize)
return false
})
test.Equals(t, printerTrace{
printerTraceEntry{0, 1, 0, fileSize, 0, false},
}, result)
}
func TestFirstProgressOnAFile(t *testing.T) {
expectedBytesWritten := uint64(5)
expectedBytesTotal := uint64(100)
result := testProgress(func(progress *Progress) bool {
progress.AddFile(expectedBytesTotal)
progress.AddProgress("test", expectedBytesWritten, expectedBytesTotal)
return false
})
test.Equals(t, printerTrace{
printerTraceEntry{0, 1, expectedBytesWritten, expectedBytesTotal, 0, false},
}, result)
}
func TestLastProgressOnAFile(t *testing.T) {
fileSize := uint64(100)
result := testProgress(func(progress *Progress) bool {
progress.AddFile(fileSize)
progress.AddProgress("test", 30, fileSize)
progress.AddProgress("test", 35, fileSize)
progress.AddProgress("test", 35, fileSize)
return false
})
test.Equals(t, printerTrace{
printerTraceEntry{1, 1, fileSize, fileSize, 0, false},
}, result)
}
func TestLastProgressOnLastFile(t *testing.T) {
fileSize := uint64(100)
result := testProgress(func(progress *Progress) bool {
progress.AddFile(fileSize)
progress.AddFile(50)
progress.AddProgress("test1", 50, 50)
progress.AddProgress("test2", 50, fileSize)
progress.AddProgress("test2", 50, fileSize)
return false
})
test.Equals(t, printerTrace{
printerTraceEntry{2, 2, 50 + fileSize, 50 + fileSize, 0, false},
}, result)
}
func TestSummaryOnSuccess(t *testing.T) {
fileSize := uint64(100)
result := testProgress(func(progress *Progress) bool {
progress.AddFile(fileSize)
progress.AddFile(50)
progress.AddProgress("test1", 50, 50)
progress.AddProgress("test2", fileSize, fileSize)
return true
})
test.Equals(t, printerTrace{
printerTraceEntry{2, 2, 50 + fileSize, 50 + fileSize, mockFinishDuration, true},
}, result)
}
func TestSummaryOnErrors(t *testing.T) {
fileSize := uint64(100)
result := testProgress(func(progress *Progress) bool {
progress.AddFile(fileSize)
progress.AddFile(50)
progress.AddProgress("test1", 50, 50)
progress.AddProgress("test2", fileSize/2, fileSize)
return true
})
test.Equals(t, printerTrace{
printerTraceEntry{1, 2, 50 + fileSize/2, 50 + fileSize, mockFinishDuration, true},
}, result)
}