dive-zfs/filetree/efficiency_test.go
2019-07-20 17:57:47 -04:00

81 lines
2.3 KiB
Go

package filetree
import (
"testing"
)
func checkError(t *testing.T, err error, message string) {
if err != nil {
t.Errorf(message+": %+v", err)
}
}
func TestEfficency(t *testing.T) {
trees := make([]*FileTree, 3)
for idx := range trees {
trees[idx] = NewFileTree()
}
_, _, err := trees[0].AddPath("/etc/nginx/nginx.conf", FileInfo{Size: 2000})
checkError(t, err, "could not setup test")
_, _, err = trees[0].AddPath("/etc/nginx/public", FileInfo{Size: 3000})
checkError(t, err, "could not setup test")
_, _, err = trees[1].AddPath("/etc/nginx/nginx.conf", FileInfo{Size: 5000})
checkError(t, err, "could not setup test")
_, _, err = trees[1].AddPath("/etc/athing", FileInfo{Size: 10000})
checkError(t, err, "could not setup test")
_, _, err = trees[2].AddPath("/etc/.wh.nginx", *BlankFileChangeInfo("/etc/.wh.nginx"))
checkError(t, err, "could not setup test")
var expectedScore = 0.75
var expectedMatches = EfficiencySlice{
&EfficiencyData{Path: "/etc/nginx/nginx.conf", CumulativeSize: 7000},
}
actualScore, actualMatches := Efficiency(trees)
if expectedScore != actualScore {
t.Errorf("Expected score of %v but go %v", expectedScore, actualScore)
}
if len(actualMatches) != len(expectedMatches) {
for _, match := range actualMatches {
t.Logf(" match: %+v", match)
}
t.Fatalf("Expected to find %d inefficient paths, but found %d", len(expectedMatches), len(actualMatches))
}
if expectedMatches[0].Path != actualMatches[0].Path {
t.Errorf("Expected path of %s but go %s", expectedMatches[0].Path, actualMatches[0].Path)
}
if expectedMatches[0].CumulativeSize != actualMatches[0].CumulativeSize {
t.Errorf("Expected cumulative size of %v but go %v", expectedMatches[0].CumulativeSize, actualMatches[0].CumulativeSize)
}
}
func TestEfficency_ScratchImage(t *testing.T) {
trees := make([]*FileTree, 3)
for idx := range trees {
trees[idx] = NewFileTree()
}
_, _, err := trees[0].AddPath("/nothing", FileInfo{Size: 0})
checkError(t, err, "could not setup test")
var expectedScore = 1.0
var expectedMatches = EfficiencySlice{}
actualScore, actualMatches := Efficiency(trees)
if expectedScore != actualScore {
t.Errorf("Expected score of %v but go %v", expectedScore, actualScore)
}
if len(actualMatches) > 0 {
t.Fatalf("Expected to find %d inefficient paths, but found %d", len(expectedMatches), len(actualMatches))
}
}