github.com/mattdotmatt/gauge@v0.3.2-0.20160421115137-425a4cdccb62/util/httpUtils_test.go (about)

     1  // Copyright 2015 ThoughtWorks, Inc.
     2  
     3  // This file is part of Gauge.
     4  
     5  // Gauge is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  
    10  // Gauge is distributed in the hope that it will be useful,
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13  // GNU General Public License for more details.
    14  
    15  // You should have received a copy of the GNU General Public License
    16  // along with Gauge.  If not, see <http://www.gnu.org/licenses/>.
    17  
    18  package util
    19  
    20  import (
    21  	"fmt"
    22  	"net/http"
    23  	"net/http/httptest"
    24  	"os"
    25  	"path/filepath"
    26  	"strings"
    27  
    28  	"github.com/getgauge/common"
    29  	. "gopkg.in/check.v1"
    30  )
    31  
    32  func (s *MySuite) TestDownloadFailureIfFileNotFound(c *C) {
    33  	handler := func(w http.ResponseWriter, r *http.Request) {
    34  		http.NotFound(w, r)
    35  	}
    36  
    37  	server := httptest.NewServer(http.HandlerFunc(handler))
    38  	defer server.Close()
    39  
    40  	_, err := Download(server.URL, ".", "", false)
    41  
    42  	c.Assert(err, NotNil)
    43  }
    44  
    45  func (s *MySuite) TestDownloadFailureIfServerError(c *C) {
    46  	handler := func(w http.ResponseWriter, r *http.Request) {
    47  		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
    48  	}
    49  
    50  	server := httptest.NewServer(http.HandlerFunc(handler))
    51  	defer server.Close()
    52  
    53  	_, err := Download(server.URL, ".", "", false)
    54  
    55  	c.Assert(err, NotNil)
    56  }
    57  
    58  func (s *MySuite) TestDownloadFailureIfSomeHTTPError(c *C) {
    59  	handler := func(w http.ResponseWriter, r *http.Request) {
    60  		http.Error(w, "Unauthorized", http.StatusUnauthorized)
    61  	}
    62  
    63  	server := httptest.NewServer(http.HandlerFunc(handler))
    64  	defer server.Close()
    65  
    66  	_, err := Download(server.URL, ".", "", false)
    67  
    68  	c.Assert(err, NotNil)
    69  }
    70  
    71  func (s *MySuite) TestDownloadFailureIfTargetDirDoesntExist(c *C) {
    72  	handler := func(w http.ResponseWriter, r *http.Request) {
    73  		http.Error(w, "All OK", http.StatusOK)
    74  	}
    75  
    76  	server := httptest.NewServer(http.HandlerFunc(handler))
    77  	defer server.Close()
    78  
    79  	_, err := Download(server.URL, "/foo/bar", "", false)
    80  	errMsg := fmt.Sprintf("Error downloading file: %s\nTarget dir /foo/bar doesn't exists.", server.URL)
    81  
    82  	c.Assert(err, NotNil)
    83  	c.Assert(err.Error(), Equals, errMsg)
    84  }
    85  
    86  func (s *MySuite) TestDownloadSuccess(c *C) {
    87  	os.Mkdir("temp", 0755)
    88  	defer os.RemoveAll("temp")
    89  
    90  	handler := func(w http.ResponseWriter, r *http.Request) {
    91  		http.Error(w, "All OK", http.StatusOK)
    92  	}
    93  
    94  	server := httptest.NewServer(http.HandlerFunc(handler))
    95  	defer server.Close()
    96  
    97  	actualDownloadedFilePath, err := Download(server.URL, "temp", "", false)
    98  	expectedDownloadFilePath := filepath.Join("temp", strings.TrimPrefix(server.URL, "http://"))
    99  	absoluteDownloadFilePath, _ := filepath.Abs(expectedDownloadFilePath)
   100  	expectedFileContents := "All OK\n"
   101  
   102  	c.Assert(err, Equals, nil)
   103  	c.Assert(actualDownloadedFilePath, Equals, expectedDownloadFilePath)
   104  	c.Assert(common.FileExists(absoluteDownloadFilePath), Equals, true)
   105  
   106  	actualFileContents, err := common.ReadFileContents(absoluteDownloadFilePath)
   107  	c.Assert(err, Equals, nil)
   108  	c.Assert(actualFileContents, Equals, expectedFileContents)
   109  }