cosmos-sdk/x/mock/simulation/types.go

46 lines
1.5 KiB
Go

package simulation
import (
"math/rand"
"testing"
"github.com/cosmos/cosmos-sdk/baseapp"
sdk "github.com/cosmos/cosmos-sdk/types"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/crypto"
)
type (
// TestAndRunTx produces a fuzzed transaction, and ensures the state
// transition was as expected. It returns a descriptive message "action"
// about what this fuzzed tx actually did, for ease of debugging.
TestAndRunTx func(
t *testing.T, r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context,
privKeys []crypto.PrivKey, log string, event func(string),
) (action string, err sdk.Error)
// RandSetup performs the random setup the mock module needs.
RandSetup func(r *rand.Rand, privKeys []crypto.PrivKey)
// An Invariant is a function which tests a particular invariant.
// If the invariant has been broken, the function should halt the
// test and output the log.
Invariant func(t *testing.T, app *baseapp.BaseApp, log string)
mockValidator struct {
val abci.Validator
livenessState int
}
)
// PeriodicInvariant returns an Invariant function closure that asserts
// a given invariant if the mock application's last block modulo the given
// period is congruent to the given offset.
func PeriodicInvariant(invariant Invariant, period int, offset int) Invariant {
return func(t *testing.T, app *baseapp.BaseApp, log string) {
if int(app.LastBlockHeight())%period == offset {
invariant(t, app, log)
}
}
}