func TestDagModifierBasic(t *testing.T) {
logging.SetLevel(logging.CRITICAL, "blockservice")
logging.SetLevel(logging.CRITICAL, "merkledag")
dserv := getMockDagServ(t)
b, n := getNode(t, dserv, 50000)
dagmod, err := NewDagModifier(n, dserv, &chunk.SizeSplitter{Size: 512})
if err != nil {
t.Fatal(err)
}
// Within zero block
beg := uint64(15)
length := uint64(60)
t.Log("Testing mod within zero block")
b = testModWrite(t, beg, length, b, dagmod)
// Within bounds of existing file
beg = 1000
length = 4000
t.Log("Testing mod within bounds of existing file.")
b = testModWrite(t, beg, length, b, dagmod)
// Extend bounds
beg = 49500
length = 4000
t.Log("Testing mod that extends file.")
b = testModWrite(t, beg, length, b, dagmod)
// "Append"
beg = uint64(len(b))
length = 3000
b = testModWrite(t, beg, length, b, dagmod)
// Verify reported length
node, err := dagmod.GetNode()
if err != nil {
t.Fatal(err)
}
size, err := ft.DataSize(node.Data)
if err != nil {
t.Fatal(err)
}
expected := uint64(50000 + 3500 + 3000)
if size != expected {
t.Fatalf("Final reported size is incorrect [%d != %d]", size, expected)
}
}
// SetLogLevel changes the log level of a specific subsystem
// name=="*" changes all subsystems
func SetLogLevel(name, level string) error {
lvl, err := logging.LogLevel(level)
if err != nil {
return err
}
// wildcard, change all
if name == "*" {
SetAllLoggers(lvl)
return nil
}
// Check if we have a logger by that name
// logging.SetLevel() can't tell us...
_, ok := loggers[name]
if !ok {
return ErrNoSuchLogger
}
logging.SetLevel(lvl, name)
return nil
}
// SetAllLoggers changes the logging.Level of all loggers to lvl
func SetAllLoggers(lvl logging.Level) {
logging.SetLevel(lvl, "")
for n, _ := range loggers {
logging.SetLevel(lvl, n)
}
}