cosmos-sdk/x/capability/capability_test.go
MD Aleem 23e864bc98
refactor(test)!: refactor simapp.Setup function (#9938)
<!--
The default pull request template is for types feat, fix, or refactor.
For other templates, add one of the following parameters to the url:
- template=docs.md
- template=other.md
-->

## Description

ref: #8961 

<!-- Add a description of the changes that this PR introduces and the files that
are the most critical to review. -->
Following up on [#9697](https://github.com/cosmos/cosmos-sdk/pull/9697#pullrequestreview-727295733), this PR is the first step for the #8961.

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [x] added `!` to the type prefix if API or client breaking change
- [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [x] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [x] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)
2021-08-17 00:52:06 +00:00

98 lines
3.7 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/codec"
"github.com/cosmos/cosmos-sdk/simapp"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/module"
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/types"
)
type CapabilityTestSuite struct {
suite.Suite
cdc codec.Codec
ctx sdk.Context
app *simapp.SimApp
keeper *keeper.Keeper
module module.AppModule
}
func (suite *CapabilityTestSuite) SetupTest() {
checkTx := false
app := simapp.Setup(suite.T(), checkTx)
cdc := app.AppCodec()
// create new keeper so we can define custom scoping before init and seal
keeper := keeper.NewKeeper(cdc, app.GetKey(types.StoreKey), app.GetMemKey(types.MemStoreKey))
suite.app = app
suite.ctx = app.BaseApp.NewContext(checkTx, tmproto.Header{Height: 1})
suite.keeper = keeper
suite.cdc = cdc
suite.module = capability.NewAppModule(cdc, *keeper)
}
// 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.GetKey(types.StoreKey), suite.app.GetMemKey("testingkey"))
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)
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))
}