lotus/node/config/load_test.go

141 lines
4.1 KiB
Go

// stm: #unit
package config
import (
"bytes"
"os"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func fullNodeDefault() (interface{}, error) { return DefaultFullNode(), nil }
func TestDecodeNothing(t *testing.T) {
//stm: @NODE_CONFIG_LOAD_FILE_002
assert := assert.New(t)
{
cfg, err := FromFile(os.DevNull, SetDefault(fullNodeDefault))
assert.Nil(err, "error should be nil")
assert.Equal(DefaultFullNode(), cfg,
"config from empty file should be the same as default")
}
{
cfg, err := FromFile("./does-not-exist.toml", SetDefault(fullNodeDefault))
assert.Nil(err, "error should be nil")
assert.Equal(DefaultFullNode(), cfg,
"config from not exisiting file should be the same as default")
}
}
func TestParitalConfig(t *testing.T) {
//stm: @NODE_CONFIG_LOAD_FILE_003
assert := assert.New(t)
cfgString := `
[API]
Timeout = "10s"
`
expected := DefaultFullNode()
expected.API.Timeout = Duration(10 * time.Second)
{
cfg, err := FromReader(bytes.NewReader([]byte(cfgString)), DefaultFullNode())
assert.NoError(err, "error should be nil")
assert.Equal(expected, cfg,
"config from reader should contain changes")
}
{
f, err := os.CreateTemp("", "config-*.toml")
fname := f.Name()
assert.NoError(err, "tmp file shold not error")
_, err = f.WriteString(cfgString)
assert.NoError(err, "writing to tmp file should not error")
err = f.Close()
assert.NoError(err, "closing tmp file should not error")
defer os.Remove(fname) //nolint:errcheck
cfg, err := FromFile(fname, SetDefault(fullNodeDefault))
assert.Nil(err, "error should be nil")
assert.Equal(expected, cfg,
"config from reader should contain changes")
}
}
func TestValidateSplitstoreSet(t *testing.T) {
cfgSet := `
EnableSplitstore = false
`
assert.NoError(t, ValidateSplitstoreSet(cfgSet))
cfgSloppySet := `
EnableSplitstore = true
`
assert.NoError(t, ValidateSplitstoreSet(cfgSloppySet))
// Missing altogether
cfgMissing := `
[Chainstore]
# type: bool
# env var: LOTUS_CHAINSTORE_ENABLESPLITSTORE
# oops its mising
[Chainstore.Splitstore]
ColdStoreType = "discard"
`
err := ValidateSplitstoreSet(cfgMissing)
assert.Error(t, err)
cfgCommentedOut := `
# EnableSplitstore = false
`
err = ValidateSplitstoreSet(cfgCommentedOut)
assert.Error(t, err)
}
// Default config keeps EnableSplitstore field uncommented
func TestKeepEnableSplitstoreUncommented(t *testing.T) {
cfgStr, err := ConfigComment(DefaultFullNode())
assert.NoError(t, err)
assert.True(t, MatchEnableSplitstoreField(string(cfgStr)))
cfgStrFromDef, err := ConfigUpdate(DefaultFullNode(), DefaultFullNode(), Commented(true), DefaultKeepUncommented())
assert.NoError(t, err)
assert.True(t, MatchEnableSplitstoreField(string(cfgStrFromDef)))
}
// Loading a config with commented EnableSplitstore fails when setting validator
func TestValidateConfigSetsEnableSplitstore(t *testing.T) {
cfgCommentedOutEnableSS, err := ConfigUpdate(DefaultFullNode(), DefaultFullNode(), Commented(true))
assert.NoError(t, err)
// assert that this config comments out EnableSplitstore
assert.False(t, MatchEnableSplitstoreField(string(cfgCommentedOutEnableSS)))
// write config with commented out EnableSplitstore to file
f, err := os.CreateTemp("", "config.toml")
fname := f.Name()
assert.NoError(t, err)
defer func() {
err = f.Close()
assert.NoError(t, err)
os.Remove(fname) //nolint:errcheck
}()
_, err = f.WriteString(string(cfgCommentedOutEnableSS))
assert.NoError(t, err)
_, err = FromFile(fname, SetDefault(fullNodeDefault), SetValidate(ValidateSplitstoreSet))
assert.Error(t, err)
}
// Loading without a config file and a default fails if the default fallback is disabled
func TestFailToFallbackToDefault(t *testing.T) {
dir, err := os.MkdirTemp("", "dirWithNoFiles")
assert.NoError(t, err)
defer assert.NoError(t, os.RemoveAll(dir))
nonExistantFileName := dir + "/notarealfile"
_, err = FromFile(nonExistantFileName, SetDefault(fullNodeDefault), SetCanFallbackOnDefault(NoDefaultForSplitstoreTransition))
assert.Error(t, err)
}