Update to ES 7.7.0

This commit adds compatiblity with Elasticsearch 7.7.0. It fixes two
tests that failed due to the update.

Author: olivere

cat_shards.go

@@ -316,6 +316,8 @@ type CatShardsResponseRow struct {
 	WarmerCurrent             int    `json:"warmer.current,string"` // current warmer ops on primaries & replicas
 	WarmerTotal               int    `json:"warmer.total,string"`   // total warmer ops on primaries & replicas
 	WarmerTotalTime           string `json:"warmer.total_time"`     // time spent in warmers on primaries & replicas, e.g. "47s"
+	PathData                  string `json:"path.data"`
+	PathState                 string `json:"path.state"`
 }
 
 // catShardsResponseRowAliasesMap holds the global map for columns aliases

cat_shards_test.go

@@ -10,9 +10,9 @@ import (
 )
 
 func TestCatShards(t *testing.T) {
-	client := setupTestClientAndCreateIndexAndAddDocs(t, SetDecoder(&strictDecoder{})) // , SetTraceLog(log.New(os.Stdout, "", 0)))
+	client := setupTestClientAndCreateIndexAndAddDocs(t, SetDecoder(&strictDecoder{})) //, SetTraceLog(log.New(os.Stdout, "", 0)))
 	ctx := context.Background()
-	res, err := client.CatShards().Columns("*").Do(ctx)
+	res, err := client.CatShards().Columns("*").Pretty(true).Do(ctx)
 	if err != nil {
 		t.Fatal(err)
 	}

docker-compose.yml

@@ -2,7 +2,7 @@ version: '3'
 
 services:
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch-oss:7.6.2
+    image: docker.elastic.co/elasticsearch/elasticsearch-oss:7.7.0
     hostname: elasticsearch
     environment:
       - cluster.name=elasticsearch
@@ -28,7 +28,7 @@ services:
     ports:
       - 9200:9200
   platinum:
-    image: docker.elastic.co/elasticsearch/elasticsearch:7.6.2
+    image: docker.elastic.co/elasticsearch/elasticsearch:7.7.0
     hostname: elasticsearch-platinum
     environment:
       - cluster.name=platinum

scroll_test.go

@@ -418,12 +418,13 @@ func TestScrollWithMaxResponseSize(t *testing.T) {
 	}
 
 	// Test response size error on second scroll request (first response is 418 bytes, second is 439 bytes)
-	svc = client.Scroll(testIndexName).Size(1).MaxResponseSize(420)
+	svc = client.Scroll(testIndexName).Size(1).MaxResponseSize(16384)
 	_, err = svc.Do(context.TODO())
 	if err != nil {
 		t.Fatal(err)
 	}
 
+	svc = client.Scroll(testIndexName).Size(1).MaxResponseSize(400)
 	_, err = svc.Do(context.TODO())
 	if err != ErrResponseSize {
 		t.Fatalf("expected response size error")