github.com/jdhenke/godel@v0.0.0-20161213181855-abeb3861bf0d/integration_test/helpers_test.go (about)

     1  // Copyright 2016 Palantir Technologies, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package integration_test
    16  
    17  import (
    18  	"fmt"
    19  	"io/ioutil"
    20  	"net/http"
    21  	"net/http/httptest"
    22  	"os"
    23  	"os/exec"
    24  	"path"
    25  	"strings"
    26  	"testing"
    27  
    28  	"github.com/stretchr/testify/require"
    29  
    30  	"github.com/palantir/godel/layout"
    31  )
    32  
    33  func setUpGödelTestAndDownload(t *testing.T, testRootDir, gödelTGZ string, version string) string {
    34  	testProjectDir, server := setUpGödelTest(t, testRootDir, gödelTGZ, version)
    35  	defer server.Close()
    36  
    37  	cmd := exec.Command("./godelw", "--version")
    38  	cmd.Dir = testProjectDir
    39  	output, err := cmd.CombinedOutput()
    40  	require.NoError(t, err, "Command %v failed. Output:\n%v", cmd.Args, string(output))
    41  
    42  	return testProjectDir
    43  }
    44  
    45  func setUpGödelTest(t *testing.T, testRootDir, gödelTGZ, version string) (string, *httptest.Server) {
    46  	testProjectDir, err := ioutil.TempDir(testRootDir, "")
    47  	require.NoError(t, err)
    48  
    49  	installGödel(t, testProjectDir, gödelTGZ, version)
    50  	server := createTGZServer(t, gödelTGZ)
    51  	updateGödelProperties(t, testProjectDir, server.URL)
    52  
    53  	return testProjectDir, server
    54  }
    55  
    56  func createTGZServer(t *testing.T, gödelTGZ string) *httptest.Server {
    57  	_, err := os.Stat(gödelTGZ)
    58  	require.NoError(t, err)
    59  
    60  	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    61  		bytes, err := ioutil.ReadFile(gödelTGZ)
    62  		require.NoError(t, err)
    63  		_, err = w.Write(bytes)
    64  		require.NoError(t, err)
    65  	}))
    66  	return ts
    67  }
    68  
    69  func installGödel(t *testing.T, testProjectDir, gödelTGZ, version string) {
    70  	specDir, err := layout.AppSpecDir(strings.TrimSuffix(gödelTGZ, ".tgz"), version)
    71  	require.NoError(t, err)
    72  
    73  	err = layout.CopyFile(specDir.Path(layout.WrapperScriptFile), path.Join(testProjectDir, "godelw"))
    74  	require.NoError(t, err)
    75  	err = layout.CopyDir(specDir.Path(layout.WrapperAppDir), path.Join(testProjectDir, "godel"))
    76  	require.NoError(t, err)
    77  }
    78  
    79  func updateGödelProperties(t *testing.T, testProjectDir, url string) {
    80  	contents := fmt.Sprintf("distributionURL=%v\n", url)
    81  	err := ioutil.WriteFile(path.Join(testProjectDir, "godel", "config", "godel.properties"), []byte(contents), 0644)
    82  	require.NoError(t, err)
    83  }