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package types
import (
"encoding/json"
"testing"
"github.com/stretchr/testify/assert"
crypto "github.com/tendermint/go-crypto"
)
func TestGenesis(t *testing.T) {
// test some bad ones from raw json
testCases := [][]byte{
[]byte{}, // empty
[]byte{1, 1, 1, 1, 1}, // junk
[]byte(`{}`), // empty
[]byte(`{"chain_id": "mychain"}`), // missing validators
[]byte(`{"chain_id": "mychain", "validators": []`), // missing validators
[]byte(`{"chain_id": "mychain", "validators": [{}]`), // missing validators
[]byte(`{"validators":[{"pub_key":
{"type":"ed25519","data":"961EAB8752E51A03618502F55C2B6E09C38C65635C64CCF3173ED452CF86C957"},
"power":10,"name":""}]}`), // missing chain_id
}
for _, testCase := range testCases {
_, err := GenesisDocFromJSON(testCase)
assert.Error(t, err, "expected error for empty genDoc json")
}
// test a good one by raw json
genDocBytes := []byte(`{"genesis_time":"0001-01-01T00:00:00Z","chain_id":"test-chain-QDKdJr","consensus_params":null,"validators":[{"pub_key":{"type":"ed25519","data":"961EAB8752E51A03618502F55C2B6E09C38C65635C64CCF3173ED452CF86C957"},"power":10,"name":""}],"app_hash":""}`)
_, err := GenesisDocFromJSON(genDocBytes)
assert.NoError(t, err, "expected no error for good genDoc json")
// create a base gendoc from struct
baseGenDoc := &GenesisDoc{
ChainID: "abc",
Validators: []GenesisValidator{{crypto.GenPrivKeyEd25519().PubKey(), 10, "myval"}},
}
genDocBytes, err = json.Marshal(baseGenDoc)
assert.NoError(t, err, "error marshalling genDoc")
// test base gendoc and check consensus params were filled
genDoc, err := GenesisDocFromJSON(genDocBytes)
assert.NoError(t, err, "expected no error for valid genDoc json")
assert.NotNil(t, genDoc.ConsensusParams, "expected consensus params to be filled in")
// create json with consensus params filled
genDocBytes, err = json.Marshal(genDoc)
assert.NoError(t, err, "error marshalling genDoc")
genDoc, err = GenesisDocFromJSON(genDocBytes)
assert.NoError(t, err, "expected no error for valid genDoc json")
// test with invalid consensus params
genDoc.ConsensusParams.BlockSizeParams.MaxBytes = 0
genDocBytes, err = json.Marshal(genDoc)
assert.NoError(t, err, "error marshalling genDoc")
genDoc, err = GenesisDocFromJSON(genDocBytes)
assert.Error(t, err, "expected error for genDoc json with block size of 0")
}
func newConsensusParams(blockSize, partSize int) ConsensusParams {
return ConsensusParams{
BlockSizeParams: BlockSizeParams{MaxBytes: blockSize},
BlockGossipParams: BlockGossipParams{BlockPartSizeBytes: partSize},
}
}
func TestConsensusParams(t *testing.T) {
testCases := []struct {
params ConsensusParams
valid bool
}{
{newConsensusParams(1, 1), true},
{newConsensusParams(1, 0), false},
{newConsensusParams(0, 1), false},
{newConsensusParams(0, 0), false},
}
for _, testCase := range testCases {
if testCase.valid {
assert.NoError(t, testCase.params.Validate(), "expected no error for valid params")
} else {
assert.Error(t, testCase.params.Validate(), "expected error for non valid params")
}
}
}