35 lines
952 B
Go
35 lines
952 B
Go
package simulation
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import (
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"fmt"
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"testing"
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"github.com/cosmos/cosmos-sdk/baseapp"
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sdk "github.com/cosmos/cosmos-sdk/types"
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abci "github.com/tendermint/tendermint/abci/types"
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)
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// An Invariant is a function which tests a particular invariant.
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// If the invariant has been broken, it should return an error
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// containing a descriptive message about what happened.
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// The simulator will then halt and print the logs.
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type Invariant func(ctx sdk.Context) error
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// group of Invarient
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type Invariants []Invariant
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// assertAll asserts the all invariants against application state
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func (invs Invariants) assertAll(t *testing.T, app *baseapp.BaseApp,
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event string, displayLogs func()) {
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ctx := app.NewContext(false, abci.Header{Height: app.LastBlockHeight() + 1})
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for i := 0; i < len(invs); i++ {
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if err := invs[i](ctx); err != nil {
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fmt.Printf("Invariants broken after %s\n%s\n", event, err.Error())
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displayLogs()
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t.Fatal()
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}
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}
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}
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