cosmos-sdk/x/capability/capability_test.go

103 lines
3.8 KiB
Go

package capability_test
import (
"testing"
"github.com/stretchr/testify/suite"
abci "github.com/tendermint/tendermint/abci/types"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
"github.com/cosmos/cosmos-sdk/baseapp"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/runtime"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
simtestutil "github.com/cosmos/cosmos-sdk/testutil/sims"
sdk "github.com/cosmos/cosmos-sdk/types"
banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
"github.com/cosmos/cosmos-sdk/x/capability"
"github.com/cosmos/cosmos-sdk/x/capability/keeper"
"github.com/cosmos/cosmos-sdk/x/capability/testutil"
"github.com/cosmos/cosmos-sdk/x/capability/types"
)
type CapabilityTestSuite struct {
suite.Suite
app *runtime.App
cdc codec.Codec
ctx sdk.Context
keeper *keeper.Keeper
memKey *storetypes.MemoryStoreKey
}
func (suite *CapabilityTestSuite) SetupTest() {
suite.memKey = storetypes.NewMemoryStoreKey("testingkey")
app, err := simtestutil.SetupWithBaseAppOption(testutil.AppConfig,
func(ba *baseapp.BaseApp) {
ba.MountStores(suite.memKey)
},
false,
&suite.cdc,
&suite.keeper,
)
suite.Require().NoError(err)
suite.app = app
suite.ctx = app.BaseApp.NewContext(false, tmproto.Header{Height: 1})
}
// The following test case mocks a specific bug discovered in https://github.com/cosmos/cosmos-sdk/issues/9800
// and ensures that the current code successfully fixes the issue.
func (suite *CapabilityTestSuite) TestInitializeMemStore() {
sk1 := suite.keeper.ScopeToModule(banktypes.ModuleName)
cap1, err := sk1.NewCapability(suite.ctx, "transfer")
suite.Require().NoError(err)
suite.Require().NotNil(cap1)
// mock statesync by creating new keeper that shares persistent state but loses in-memory map
newKeeper := keeper.NewKeeper(suite.cdc, suite.app.UnsafeFindStoreKey(types.StoreKey).(*storetypes.KVStoreKey), suite.memKey)
newSk1 := newKeeper.ScopeToModule(banktypes.ModuleName)
// Mock App startup
ctx := suite.app.BaseApp.NewUncachedContext(false, tmproto.Header{})
newKeeper.Seal()
suite.Require().False(newKeeper.IsInitialized(ctx), "memstore initialized flag set before BeginBlock")
// Mock app beginblock and ensure that no gas has been consumed and memstore is initialized
ctx = suite.app.BaseApp.NewContext(false, tmproto.Header{}).WithBlockGasMeter(sdk.NewGasMeter(50))
prevGas := ctx.BlockGasMeter().GasConsumed()
restartedModule := capability.NewAppModule(suite.cdc, *newKeeper, true)
restartedModule.BeginBlock(ctx, abci.RequestBeginBlock{})
suite.Require().True(newKeeper.IsInitialized(ctx), "memstore initialized flag not set")
gasUsed := ctx.BlockGasMeter().GasConsumed()
suite.Require().Equal(prevGas, gasUsed, "beginblocker consumed gas during execution")
// Mock the first transaction getting capability and subsequently failing
// by using a cached context and discarding all cached writes.
cacheCtx, _ := ctx.CacheContext()
_, ok := newSk1.GetCapability(cacheCtx, "transfer")
suite.Require().True(ok)
// Ensure that the second transaction can still receive capability even if first tx fails.
ctx = suite.app.BaseApp.NewContext(false, tmproto.Header{})
cap1, ok = newSk1.GetCapability(ctx, "transfer")
suite.Require().True(ok)
// Ensure the capabilities don't get reinitialized on next BeginBlock
// by testing to see if capability returns same pointer
// also check that initialized flag is still set
restartedModule.BeginBlock(ctx, abci.RequestBeginBlock{})
recap, ok := newSk1.GetCapability(ctx, "transfer")
suite.Require().True(ok)
suite.Require().Equal(cap1, recap, "capabilities got reinitialized after second BeginBlock")
suite.Require().True(newKeeper.IsInitialized(ctx), "memstore initialized flag not set")
}
func TestCapabilityTestSuite(t *testing.T) {
suite.Run(t, new(CapabilityTestSuite))
}