github.com/m3db/m3@v1.5.0/src/m3em/integration/process_output_streamed_test.go (about)

     1  // Copyright (c) 2017 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  // +build integration
    22  
    23  package integration
    24  
    25  import (
    26  	"fmt"
    27  	"io/ioutil"
    28  	"path"
    29  	"testing"
    30  	"time"
    31  
    32  	"github.com/m3db/m3/src/m3em/build"
    33  
    34  	"github.com/stretchr/testify/require"
    35  )
    36  
    37  func TestProccessStreamingOutputExecution(t *testing.T) {
    38  	if testing.Short() {
    39  		t.Skip("skipping integration test")
    40  	}
    41  
    42  	th := newTestHarness(t)
    43  
    44  	// create test build
    45  	execScript := th.newTestScript(longRunningTestProgram)
    46  	testBuildID := "target-file.sh"
    47  	testBinary := build.NewServiceBuild(testBuildID, execScript)
    48  
    49  	// create test config
    50  	confContents := []byte("some longer string of text\nthat goes on, on and on\n")
    51  	testConfigID := "target-file.conf"
    52  	testConfig := build.NewServiceConfig(testConfigID, confContents)
    53  
    54  	th.Start()
    55  	defer th.Close()
    56  
    57  	// get the files transferred over
    58  	require.NoError(t, th.nodeService.Setup(testBinary, testConfig, "tok", false))
    59  
    60  	// execute the build
    61  	require.NoError(t, th.nodeService.Start())
    62  
    63  	// ensure the process is running
    64  	stopped := waitUntilAgentFinished(th.agentService, time.Second)
    65  	require.False(t, stopped)
    66  	require.True(t, th.agentService.Running())
    67  
    68  	// check the output while the process is running to ensure it's not being
    69  	// buffered unreasonably
    70  	stderrFile := path.Join(th.agentOptions.WorkingDirectory(), fmt.Sprintf("%s.err", testBuildID))
    71  	stderrContents, err := ioutil.ReadFile(stderrFile)
    72  	require.NoError(t, err)
    73  	require.Equal(t, []byte{}, stderrContents, string(stderrContents))
    74  
    75  	stdoutFile := path.Join(th.agentOptions.WorkingDirectory(), fmt.Sprintf("%s.out", testBuildID))
    76  	stdoutContents, err := ioutil.ReadFile(stdoutFile)
    77  	require.NoError(t, err)
    78  	require.Equal(t, []byte("testing random output"), stdoutContents, string(stdoutContents))
    79  
    80  	// process should still be executing
    81  	require.True(t, th.agentService.Running())
    82  }