github.com/alloyci/alloy-runner@v1.0.1-0.20180222164613-925503ccafd6/commands/helpers/cache_extractor_test.go (about)

     1  package helpers
     2  
     3  import (
     4  	"archive/zip"
     5  	"bytes"
     6  	"io/ioutil"
     7  	"net/http"
     8  	"net/http/httptest"
     9  	"os"
    10  	"testing"
    11  	"time"
    12  
    13  	"github.com/Sirupsen/logrus"
    14  	"github.com/stretchr/testify/assert"
    15  
    16  	"gitlab.com/gitlab-org/gitlab-runner/helpers"
    17  )
    18  
    19  const cacheExtractorArchive = "archive.zip"
    20  const cacheExtractorTestArchivedFile = "archive_file"
    21  
    22  func TestCacheExtractorValidArchive(t *testing.T) {
    23  	file, err := os.Create(cacheExtractorArchive)
    24  	assert.NoError(t, err)
    25  	defer file.Close()
    26  	defer os.Remove(file.Name())
    27  	defer os.Remove(cacheExtractorTestArchivedFile)
    28  
    29  	archive := zip.NewWriter(file)
    30  	archive.Create(cacheExtractorTestArchivedFile)
    31  	archive.Close()
    32  
    33  	_, err = os.Stat(cacheExtractorTestArchivedFile)
    34  	assert.Error(t, err)
    35  
    36  	cmd := CacheExtractorCommand{
    37  		File: cacheExtractorArchive,
    38  	}
    39  	assert.NotPanics(t, func() {
    40  		cmd.Execute(nil)
    41  	})
    42  
    43  	_, err = os.Stat(cacheExtractorTestArchivedFile)
    44  	assert.NoError(t, err)
    45  }
    46  
    47  func TestCacheExtractorForInvalidArchive(t *testing.T) {
    48  	removeHook := helpers.MakeFatalToPanic()
    49  	defer removeHook()
    50  	ioutil.WriteFile(cacheExtractorArchive, nil, 0600)
    51  	defer os.Remove(cacheExtractorArchive)
    52  
    53  	cmd := CacheExtractorCommand{
    54  		File: cacheExtractorArchive,
    55  	}
    56  	assert.Panics(t, func() {
    57  		cmd.Execute(nil)
    58  	})
    59  }
    60  
    61  func TestCacheExtractorForIfNoFileDefined(t *testing.T) {
    62  	removeHook := helpers.MakeFatalToPanic()
    63  	defer removeHook()
    64  	cmd := CacheExtractorCommand{}
    65  	assert.Panics(t, func() {
    66  		cmd.Execute(nil)
    67  	})
    68  }
    69  
    70  func TestCacheExtractorForNotExistingFile(t *testing.T) {
    71  	removeHook := helpers.MakeFatalToPanic()
    72  	defer removeHook()
    73  	cmd := CacheExtractorCommand{
    74  		File: "/../../../test.zip",
    75  	}
    76  	assert.NotPanics(t, func() {
    77  		cmd.Execute(nil)
    78  	})
    79  }
    80  
    81  func testServeCache(w http.ResponseWriter, r *http.Request) {
    82  	if r.Method != "GET" {
    83  		http.Error(w, "408 Method not allowed", 408)
    84  		return
    85  	}
    86  	if r.URL.Path != "/cache.zip" {
    87  		if r.URL.Path == "/timeout" {
    88  			time.Sleep(50 * time.Millisecond)
    89  		}
    90  		http.NotFound(w, r)
    91  		return
    92  	}
    93  
    94  	w.Header().Set("Last-Modified", time.Now().Format(http.TimeFormat))
    95  	archive := zip.NewWriter(w)
    96  	archive.Create(cacheExtractorTestArchivedFile)
    97  	archive.Close()
    98  }
    99  
   100  func TestCacheExtractorRemoteServerNotFound(t *testing.T) {
   101  	ts := httptest.NewServer(http.HandlerFunc(testServeCache))
   102  	defer ts.Close()
   103  
   104  	removeHook := helpers.MakeFatalToPanic()
   105  	defer removeHook()
   106  	cmd := CacheExtractorCommand{
   107  		File:    "non-existing-test.zip",
   108  		URL:     ts.URL + "/invalid-file.zip",
   109  		Timeout: 0,
   110  	}
   111  	assert.Panics(t, func() {
   112  		cmd.Execute(nil)
   113  	})
   114  	_, err := os.Stat(cacheExtractorTestArchivedFile)
   115  	assert.Error(t, err)
   116  }
   117  
   118  func TestCacheExtractorRemoteServerTimedOut(t *testing.T) {
   119  	ts := httptest.NewServer(http.HandlerFunc(testServeCache))
   120  	defer ts.Close()
   121  
   122  	output := logrus.StandardLogger().Out
   123  	var buf bytes.Buffer
   124  	logrus.SetOutput(&buf)
   125  	defer logrus.SetOutput(output)
   126  	removeHook := helpers.MakeFatalToPanic()
   127  	defer removeHook()
   128  
   129  	cmd := CacheExtractorCommand{
   130  		File: "non-existing-test.zip",
   131  		URL:  ts.URL + "/timeout",
   132  	}
   133  	cmd.getClient().Timeout = 1 * time.Millisecond
   134  
   135  	assert.Panics(t, func() {
   136  		cmd.Execute(nil)
   137  	})
   138  	assert.Contains(t, buf.String(), "net/http: request canceled (Client.Timeout")
   139  
   140  	_, err := os.Stat(cacheExtractorTestArchivedFile)
   141  	assert.Error(t, err)
   142  }
   143  
   144  func TestCacheExtractorRemoteServer(t *testing.T) {
   145  	ts := httptest.NewServer(http.HandlerFunc(testServeCache))
   146  	defer ts.Close()
   147  
   148  	defer os.Remove(cacheExtractorArchive)
   149  	defer os.Remove(cacheExtractorTestArchivedFile)
   150  	os.Remove(cacheExtractorArchive)
   151  	os.Remove(cacheExtractorTestArchivedFile)
   152  
   153  	removeHook := helpers.MakeFatalToPanic()
   154  	defer removeHook()
   155  	cmd := CacheExtractorCommand{
   156  		File:    cacheExtractorArchive,
   157  		URL:     ts.URL + "/cache.zip",
   158  		Timeout: 0,
   159  	}
   160  	assert.NotPanics(t, func() {
   161  		cmd.Execute(nil)
   162  	})
   163  
   164  	_, err := os.Stat(cacheExtractorTestArchivedFile)
   165  	assert.NoError(t, err)
   166  
   167  	os.Chtimes(cacheExtractorArchive, time.Now().Add(time.Hour), time.Now().Add(time.Hour))
   168  	assert.NotPanics(t, func() {
   169  		cmd.Execute(nil)
   170  	}, "archive is up to date")
   171  }
   172  
   173  func TestCacheExtractorRemoteServerFailOnInvalidServer(t *testing.T) {
   174  	removeHook := helpers.MakeFatalToPanic()
   175  	defer removeHook()
   176  	os.Remove(cacheExtractorArchive)
   177  	cmd := CacheExtractorCommand{
   178  		File:    cacheExtractorArchive,
   179  		URL:     "http://localhost:65333/cache.zip",
   180  		Timeout: 0,
   181  	}
   182  	assert.Panics(t, func() {
   183  		cmd.Execute(nil)
   184  	})
   185  
   186  	_, err := os.Stat(cacheExtractorTestArchivedFile)
   187  	assert.Error(t, err)
   188  }