Adding upstream version 2.5.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

index/upsidedown/store/metrics/metrics_test.go

@@ -0,0 +1,141 @@
+//  Copyright (c) 2015 Couchbase, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 		http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package metrics
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"testing"
+
+	"github.com/blevesearch/bleve/v2/index/upsidedown/store/gtreap"
+)
+
+func TestMetricsStore(t *testing.T) {
+	_, err := New(nil, map[string]interface{}{})
+	if err == nil {
+		t.Errorf("expected err when bad config")
+	}
+
+	_, err = New(nil, map[string]interface{}{
+		"kvStoreName_actual": "some-invalid-kvstore-name",
+	})
+	if err == nil {
+		t.Errorf("expected err when unknown kvStoreName_actual")
+	}
+
+	s, err := New(nil, map[string]interface{}{
+		"kvStoreName_actual": gtreap.Name,
+		"path":               "",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	b := bytes.NewBuffer(nil)
+	err = s.(*Store).WriteJSON(b)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if b.Len() <= 0 {
+		t.Errorf("expected some output from WriteJSON")
+	}
+	var m map[string]interface{}
+	err = json.Unmarshal(b.Bytes(), &m)
+	if err != nil {
+		t.Errorf("expected WriteJSON to be unmarshallable")
+	}
+	if len(m) == 0 {
+		t.Errorf("expected some entries")
+	}
+
+	b = bytes.NewBuffer(nil)
+	s.(*Store).WriteCSVHeader(b)
+	if b.Len() <= 0 {
+		t.Errorf("expected some output from WriteCSVHeader")
+	}
+
+	b = bytes.NewBuffer(nil)
+	s.(*Store).WriteCSV(b)
+	if b.Len() <= 0 {
+		t.Errorf("expected some output from WriteCSV")
+	}
+}
+
+func TestErrors(t *testing.T) {
+	s, err := New(nil, map[string]interface{}{
+		"kvStoreName_actual": gtreap.Name,
+		"path":               "",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	x, ok := s.(*Store)
+	if !ok {
+		t.Errorf("expecting a Store")
+	}
+
+	x.AddError("foo", fmt.Errorf("Foo"), []byte("fooKey"))
+	x.AddError("bar", fmt.Errorf("Bar"), nil)
+	x.AddError("baz", fmt.Errorf("Baz"), []byte("bazKey"))
+
+	b := bytes.NewBuffer(nil)
+	err = x.WriteJSON(b)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	var m map[string]interface{}
+	err = json.Unmarshal(b.Bytes(), &m)
+	if err != nil {
+		t.Errorf("expected unmarshallable writeJSON, err: %v, b: %s",
+			err, b.Bytes())
+	}
+
+	errorsi, ok := m["Errors"]
+	if !ok || errorsi == nil {
+		t.Errorf("expected errorsi")
+	}
+	errors, ok := errorsi.([]interface{})
+	if !ok || errors == nil {
+		t.Errorf("expected errorsi is array")
+	}
+	if len(errors) != 3 {
+		t.Errorf("expected errors len 3")
+	}
+
+	e := errors[0].(map[string]interface{})
+	if e["Op"].(string) != "foo" ||
+		e["Err"].(string) != "Foo" ||
+		len(e["Time"].(string)) < 10 ||
+		e["Key"].(string) != "fooKey" {
+		t.Errorf("expected foo, %#v", e)
+	}
+	e = errors[1].(map[string]interface{})
+	if e["Op"].(string) != "bar" ||
+		e["Err"].(string) != "Bar" ||
+		len(e["Time"].(string)) < 10 ||
+		e["Key"].(string) != "" {
+		t.Errorf("expected bar, %#v", e)
+	}
+	e = errors[2].(map[string]interface{})
+	if e["Op"].(string) != "baz" ||
+		e["Err"].(string) != "Baz" ||
+		len(e["Time"].(string)) < 10 ||
+		e["Key"].(string) != "bazKey" {
+		t.Errorf("expected baz, %#v", e)
+	}
+}