File: search_queries_common_terms_test.go

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// Copyright 2012-present Oliver Eilhard. All rights reserved.
// Use of this source code is governed by a MIT-license.
// See http://olivere.mit-license.org/license.txt for details.

package elastic

import (
	"context"
	"encoding/json"
	_ "net/http"
	"testing"
)

func TestCommonTermsQuery(t *testing.T) {
	q := NewCommonTermsQuery("message", "Golang").CutoffFrequency(0.001)
	src, err := q.Source()
	if err != nil {
		t.Fatal(err)
	}
	data, err := json.Marshal(src)
	if err != nil {
		t.Fatalf("marshaling to JSON failed: %v", err)
	}
	got := string(data)
	expected := `{"common":{"message":{"cutoff_frequency":0.001,"query":"Golang"}}}`
	if got != expected {
		t.Errorf("expected\n%s\n,got:\n%s", expected, got)
	}
}

func TestSearchQueriesCommonTermsQuery(t *testing.T) {
	client := setupTestClientAndCreateIndex(t)

	tweet1 := tweet{User: "olivere", Message: "Welcome to Golang and Elasticsearch."}
	tweet2 := tweet{User: "olivere", Message: "Another unrelated topic."}
	tweet3 := tweet{User: "sandrae", Message: "Cycling is fun."}

	// Add all documents
	_, err := client.Index().Index(testIndexName).Type("tweet").Id("1").BodyJson(&tweet1).Do(context.TODO())
	if err != nil {
		t.Fatal(err)
	}

	_, err = client.Index().Index(testIndexName).Type("tweet").Id("2").BodyJson(&tweet2).Do(context.TODO())
	if err != nil {
		t.Fatal(err)
	}

	_, err = client.Index().Index(testIndexName).Type("tweet").Id("3").BodyJson(&tweet3).Do(context.TODO())
	if err != nil {
		t.Fatal(err)
	}

	_, err = client.Flush().Index(testIndexName).Do(context.TODO())
	if err != nil {
		t.Fatal(err)
	}

	// Common terms query
	q := NewCommonTermsQuery("message", "Golang")
	searchResult, err := client.Search().Index(testIndexName).Query(q).Do(context.TODO())
	if err != nil {
		t.Fatal(err)
	}
	if searchResult.Hits == nil {
		t.Errorf("expected SearchResult.Hits != nil; got nil")
	}
	if searchResult.Hits.TotalHits != 1 {
		t.Errorf("expected SearchResult.Hits.TotalHits = %d; got %d", 1, searchResult.Hits.TotalHits)
	}
	if len(searchResult.Hits.Hits) != 1 {
		t.Errorf("expected len(SearchResult.Hits.Hits) = %d; got %d", 1, len(searchResult.Hits.Hits))
	}

	for _, hit := range searchResult.Hits.Hits {
		if hit.Index != testIndexName {
			t.Errorf("expected SearchResult.Hits.Hit.Index = %q; got %q", testIndexName, hit.Index)
		}
		item := make(map[string]interface{})
		err := json.Unmarshal(*hit.Source, &item)
		if err != nil {
			t.Fatal(err)
		}
	}
}