cosmos-sdk/testutil/ioutil_test.go
Julien Robert 1fe59eb22a
ci: improve error checking (errcheck linter) (#11195)
## Description

Implements part of #7258

Check some of currently unchecked errors.

- [x] baseapp
- [x] client
- [x] codec
- [x] crypto
- [x] server
- [x] simapp
- [ ] snapshots
- [ ] store
- [x] testutil
- [ ] types
- [ ] modules

---

### 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...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [ ] 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)
- [ ] 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)
2022-04-13 06:46:51 +00:00

46 lines
1.1 KiB
Go

package testutil_test
import (
"io"
"os"
"testing"
"github.com/spf13/cobra"
"github.com/stretchr/testify/require"
"github.com/cosmos/cosmos-sdk/testutil"
)
func TestApplyMockIO(t *testing.T) {
cmd := &cobra.Command{}
oldStdin := cmd.InOrStdin()
oldStdout := cmd.OutOrStdout()
oldStderr := cmd.ErrOrStderr()
testutil.ApplyMockIO(cmd)
require.NotEqual(t, cmd.InOrStdin(), oldStdin)
require.NotEqual(t, cmd.OutOrStdout(), oldStdout)
require.NotEqual(t, cmd.ErrOrStderr(), oldStderr)
require.Equal(t, cmd.ErrOrStderr(), cmd.OutOrStdout())
}
func TestWriteToNewTempFile(t *testing.T) {
tempfile := testutil.WriteToNewTempFile(t, "test string")
require.NoError(t, tempfile.Close())
bs, err := os.ReadFile(tempfile.Name())
require.NoError(t, err)
require.Equal(t, "test string", string(bs))
}
func TestApplyMockIODiscardOutErr(t *testing.T) {
cmd := &cobra.Command{}
oldStdin := cmd.InOrStdin()
testutil.ApplyMockIODiscardOutErr(cmd)
require.NotEqual(t, cmd.InOrStdin(), oldStdin)
require.Equal(t, cmd.OutOrStdout(), io.Discard)
require.Equal(t, cmd.ErrOrStderr(), io.Discard)
}