105 lines
2.4 KiB
Go
105 lines
2.4 KiB
Go
package tests
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import (
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"fmt"
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"io"
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"io/ioutil"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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cmn "github.com/tendermint/tendermint/libs/common"
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)
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// ExecuteT executes the command, pipes any input to STDIN and return STDOUT,
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// logging STDOUT/STDERR to t.
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func ExecuteT(t *testing.T, cmd, input string) (out string) {
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t.Log("Running", cmn.Cyan(cmd))
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// split cmd to name and args
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split := strings.Split(cmd, " ")
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require.True(t, len(split) > 0, "no command provided")
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name, args := split[0], []string(nil)
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if len(split) > 1 {
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args = split[1:]
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}
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proc, err := StartProcess("", name, args)
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require.NoError(t, err)
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// if input is provided, pass it to STDIN and close the pipe
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if input != "" {
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_, err = io.WriteString(proc.StdinPipe, input)
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require.NoError(t, err)
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proc.StdinPipe.Close()
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}
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outbz, errbz, err := proc.ReadAll()
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if err != nil {
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fmt.Println("Err on proc.ReadAll()", err, args)
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}
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proc.Wait()
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if len(outbz) > 0 {
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t.Log("Stdout:", cmn.Green(string(outbz)))
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}
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if len(errbz) > 0 {
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t.Log("Stderr:", cmn.Red(string(errbz)))
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}
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out = strings.Trim(string(outbz), "\n")
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return out
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}
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// Execute the command, launch goroutines to log stdout/err to t.
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// Caller should wait for .Wait() or .Stop() to terminate.
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func GoExecuteT(t *testing.T, cmd string) (proc *Process) {
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t.Log("Running", cmn.Cyan(cmd))
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// Split cmd to name and args.
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split := strings.Split(cmd, " ")
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require.True(t, len(split) > 0, "no command provided")
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name, args := split[0], []string(nil)
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if len(split) > 1 {
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args = split[1:]
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}
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// Start process.
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proc, err := StartProcess("", name, args)
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require.NoError(t, err)
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return proc
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}
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// Same as GoExecuteT but spawns a go routine to ReadAll off stdout.
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func GoExecuteTWithStdout(t *testing.T, cmd string) (proc *Process) {
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t.Log("Running", cmn.Cyan(cmd))
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// Split cmd to name and args.
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split := strings.Split(cmd, " ")
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require.True(t, len(split) > 0, "no command provided")
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name, args := split[0], []string(nil)
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if len(split) > 1 {
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args = split[1:]
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}
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// Start process.
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proc, err := CreateProcess("", name, args)
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require.NoError(t, err)
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// Without this, the test halts ?!
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go func() {
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_, err := ioutil.ReadAll(proc.StdoutPipe)
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if err != nil {
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fmt.Println("-------------ERR-----------------------", err)
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return
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}
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}()
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err = proc.Cmd.Start()
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require.NoError(t, err)
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proc.Pid = proc.Cmd.Process.Pid
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return proc
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}
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