Initial implementation of an elasticsearch indexer in Go

Closes #1 (closed)

integration_test.go

@@ -12,6 +12,7 @@ import (
 	"github.com/stretchr/testify/assert"
 	"gitlab.com/gitlab-org/es-git-go/elastic"
+	"gitlab.com/gitlab-org/es-git-go/indexer"
 )
 var (
@@ -106,12 +107,12 @@ func TestIndexingGitlabTest(t *testing.T) {
 			"author": map[string]interface{}{
 				"email": "job@gitlab.com",
 				"name":  "Job van der Voort",
-				"time":  "20160927T153746+0100",
+				"time":  "20160927T143746+0000",
 			},
 			"committer": map[string]interface{}{
 				"email": "job@gitlab.com",
 				"name":  "Job van der Voort",
-				"time":  "20160927T153746+0100",
+				"time":  "20160927T143746+0000",
 			},
 			"rid":     projectID,
 			"message": "Merge branch 'branch-merged' into 'master'\r\n\r\nadds bar folder and branch-test text file to check Repository merged_to_root_ref method\r\n\r\n\r\n\r\nSee merge request !12",
@@ -151,4 +152,13 @@ func TestIndexingGitlabTest(t *testing.T) {
 	// Check that a binary blob isn't indexed
 	_, err = c.GetBlob("Gemfile.zip")
 	assert.Error(t, err)
+
+	// Test that timezones are preserved
+	commit, err = c.GetCommit("498214de67004b1da3d820901307bed2a68a8ef6")
+	assert.NoError(t, err)
+
+	cDoc := make(map[string]*indexer.Commit)
+	assert.NoError(t, json.Unmarshal(*commit.Source, &cDoc))
+	assert.Equal(t, "20160921T161326+0100", cDoc["commit"].Author.Time)
+	assert.Equal(t, "20160921T161326+0100", cDoc["commit"].Committer.Time)
 }