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dbstats_test.go
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dbstats_test.go
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// 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 couchdb
import (
"context"
"errors"
"io"
"net/http"
"strings"
"testing"
"gitlab.com/flimzy/testy"
"github.com/go-kivik/kivik/v4/driver"
)
func TestStats(t *testing.T) {
tests := []struct {
name string
db *db
expected *driver.DBStats
status int
err string
}{
{
name: "network error",
db: newTestDB(nil, errors.New("net error")),
status: http.StatusBadGateway,
err: `Get "?http://example.com/testdb"?: net error`,
},
{
name: "read error",
db: newTestDB(&http.Response{
StatusCode: http.StatusOK,
Body: &mockReadCloser{
ReadFunc: func(_ []byte) (int, error) {
return 0, errors.New("read error")
},
CloseFunc: func() error { return nil },
},
}, nil),
status: http.StatusBadGateway,
err: "read error",
},
{
name: "invalid JSON response",
db: newTestDB(&http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader(`invalid json`)),
}, nil),
status: http.StatusBadGateway,
err: "invalid character 'i' looking for beginning of value",
},
{
name: "error response",
db: newTestDB(&http.Response{
StatusCode: http.StatusBadRequest,
Body: io.NopCloser(strings.NewReader("")),
}, nil),
status: http.StatusBadRequest,
err: "Bad Request",
},
{
name: "1.6.1",
db: newTestDB(&http.Response{
StatusCode: http.StatusOK,
Header: http.Header{
"Server": {"CouchDB/1.6.1 (Erlang OTP/17)"},
"Date": {"Thu, 26 Oct 2017 12:58:14 GMT"},
"Content-Type": {"text/plain; charset=utf-8"},
"Content-Length": {"235"},
"Cache-Control": {"must-revalidate"},
},
Body: io.NopCloser(strings.NewReader(`{"db_name":"_users","doc_count":3,"doc_del_count":14,"update_seq":31,"purge_seq":0,"compact_running":false,"disk_size":127080,"data_size":6028,"instance_start_time":"1509022681259533","disk_format_version":6,"committed_update_seq":31}`)),
}, nil),
expected: &driver.DBStats{
Name: "_users",
DocCount: 3,
DeletedCount: 14,
UpdateSeq: "31",
DiskSize: 127080,
ActiveSize: 6028,
RawResponse: []byte(`{"db_name":"_users","doc_count":3,"doc_del_count":14,"update_seq":31,"purge_seq":0,"compact_running":false,"disk_size":127080,"data_size":6028,"instance_start_time":"1509022681259533","disk_format_version":6,"committed_update_seq":31}`),
},
},
{
name: "2.0.0",
db: newTestDB(&http.Response{
StatusCode: http.StatusOK,
Header: http.Header{
"Server": {"CouchDB/2.0.0 (Erlang OTP/17)"},
"Date": {"Thu, 26 Oct 2017 13:01:13 GMT"},
"Content-Type": {"application/json"},
"Content-Length": {"429"},
"Cache-Control": {"must-revalidate"},
"X-Couch-Request-ID": {"2486f27546"},
"X-CouchDB-Body-Time": {"0"},
},
Body: io.NopCloser(strings.NewReader(`{"db_name":"_users","update_seq":"13-g1AAAAEzeJzLYWBg4MhgTmHgzcvPy09JdcjLz8gvLskBCjMlMiTJ____PyuRAYeCJAUgmWQPVsOCS40DSE08WA0rLjUJIDX1eO3KYwGSDA1ACqhsPiF1CyDq9mclMuFVdwCi7j4hdQ8g6kDuywIAkRBjAw","sizes":{"file":87323,"external":2495,"active":6082},"purge_seq":0,"other":{"data_size":2495},"doc_del_count":6,"doc_count":1,"disk_size":87323,"disk_format_version":6,"data_size":6082,"compact_running":false,"instance_start_time":"0"}`)),
}, nil),
expected: &driver.DBStats{
Name: "_users",
DocCount: 1,
DeletedCount: 6,
UpdateSeq: "13-g1AAAAEzeJzLYWBg4MhgTmHgzcvPy09JdcjLz8gvLskBCjMlMiTJ____PyuRAYeCJAUgmWQPVsOCS40DSE08WA0rLjUJIDX1eO3KYwGSDA1ACqhsPiF1CyDq9mclMuFVdwCi7j4hdQ8g6kDuywIAkRBjAw",
DiskSize: 87323,
ActiveSize: 6082,
ExternalSize: 2495,
RawResponse: []byte(`{"db_name":"_users","update_seq":"13-g1AAAAEzeJzLYWBg4MhgTmHgzcvPy09JdcjLz8gvLskBCjMlMiTJ____PyuRAYeCJAUgmWQPVsOCS40DSE08WA0rLjUJIDX1eO3KYwGSDA1ACqhsPiF1CyDq9mclMuFVdwCi7j4hdQ8g6kDuywIAkRBjAw","sizes":{"file":87323,"external":2495,"active":6082},"purge_seq":0,"other":{"data_size":2495},"doc_del_count":6,"doc_count":1,"disk_size":87323,"disk_format_version":6,"data_size":6082,"compact_running":false,"instance_start_time":"0"}`),
},
},
{
name: "2.1.1",
db: newTestDB(&http.Response{
StatusCode: http.StatusOK,
Header: http.Header{
"Server": {"CouchDB/2.0.0 (Erlang OTP/17)"},
"Date": {"Thu, 26 Oct 2017 13:01:13 GMT"},
"Content-Type": {"application/json"},
"Content-Length": {"429"},
"Cache-Control": {"must-revalidate"},
"X-Couch-Request-ID": {"2486f27546"},
"X-CouchDB-Body-Time": {"0"},
},
Body: io.NopCloser(strings.NewReader(`{"db_name":"_users","update_seq":"13-g1AAAAEzeJzLYWBg4MhgTmHgzcvPy09JdcjLz8gvLskBCjMlMiTJ____PyuRAYeCJAUgmWQPVsOCS40DSE08WA0rLjUJIDX1eO3KYwGSDA1ACqhsPiF1CyDq9mclMuFVdwCi7j4hdQ8g6kDuywIAkRBjAw","sizes":{"file":87323,"external":2495,"active":6082},"purge_seq":0,"other":{"data_size":2495},"doc_del_count":6,"doc_count":1,"disk_size":87323,"disk_format_version":6,"data_size":6082,"compact_running":false,"instance_start_time":"0","cluster":{"n":1,"q":2,"r":3,"w":4}}`)),
}, nil),
expected: &driver.DBStats{
Name: "_users",
DocCount: 1,
DeletedCount: 6,
UpdateSeq: "13-g1AAAAEzeJzLYWBg4MhgTmHgzcvPy09JdcjLz8gvLskBCjMlMiTJ____PyuRAYeCJAUgmWQPVsOCS40DSE08WA0rLjUJIDX1eO3KYwGSDA1ACqhsPiF1CyDq9mclMuFVdwCi7j4hdQ8g6kDuywIAkRBjAw",
DiskSize: 87323,
ActiveSize: 6082,
ExternalSize: 2495,
Cluster: &driver.ClusterStats{
Replicas: 1,
Shards: 2,
ReadQuorum: 3,
WriteQuorum: 4,
},
RawResponse: []byte(`{"db_name":"_users","update_seq":"13-g1AAAAEzeJzLYWBg4MhgTmHgzcvPy09JdcjLz8gvLskBCjMlMiTJ____PyuRAYeCJAUgmWQPVsOCS40DSE08WA0rLjUJIDX1eO3KYwGSDA1ACqhsPiF1CyDq9mclMuFVdwCi7j4hdQ8g6kDuywIAkRBjAw","sizes":{"file":87323,"external":2495,"active":6082},"purge_seq":0,"other":{"data_size":2495},"doc_del_count":6,"doc_count":1,"disk_size":87323,"disk_format_version":6,"data_size":6082,"compact_running":false,"instance_start_time":"0","cluster":{"n":1,"q":2,"r":3,"w":4}}`),
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
result, err := test.db.Stats(context.Background())
testy.StatusErrorRE(t, test.err, test.status, err)
if d := testy.DiffInterface(test.expected, result); d != nil {
t.Error(d)
}
})
}
}
func TestDbsStats(t *testing.T) {
tests := []struct {
name string
client *client
dbnames []string
expected interface{}
status int
err string
}{
{
name: "network error",
client: newTestClient(nil, errors.New("net error")),
dbnames: []string{"foo", "bar"},
status: http.StatusBadGateway,
err: `Post "?http://example.com/_dbs_info"?: net error`,
},
{
name: "read error",
client: newTestClient(&http.Response{
StatusCode: http.StatusOK,
Body: &mockReadCloser{
ReadFunc: func(_ []byte) (int, error) {
return 0, errors.New("read error")
},
CloseFunc: func() error { return nil },
},
}, nil),
status: http.StatusBadGateway,
err: "read error",
},
{
name: "invalid JSON response",
client: newTestClient(&http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader(`invalid json`)),
}, nil),
status: http.StatusBadGateway,
err: "invalid character 'i' looking for beginning of value",
},
{
name: "error response",
client: newTestClient(&http.Response{
StatusCode: http.StatusBadRequest,
Body: io.NopCloser(strings.NewReader("")),
}, nil),
status: http.StatusBadRequest,
err: "Bad Request",
},
{
name: "2.1.2",
client: newTestClient(&http.Response{
StatusCode: http.StatusNotFound,
Header: http.Header{
"Server": {"CouchDB/2.1.2 (Erlang OTP/17)"},
"Date": {"Sat, 01 Sep 2018 15:42:53 GMT"},
"Content-Type": {"application/json"},
"Content-Length": {"58"},
"Cache-Control": {"must-revalidate"},
"X-Couch-Request-ID": {"e1264663f9"},
"X-CouchDB-Body-Time": {"0"},
},
Body: io.NopCloser(strings.NewReader(`{"error":"not_found","reason":"Database does not exist."}`)),
}, nil),
dbnames: []string{"foo", "bar"},
err: "Not Found",
status: http.StatusNotFound,
},
{
name: "2.2.0",
client: newTestClient(&http.Response{
StatusCode: http.StatusOK,
Header: http.Header{
"Server": {"CouchDB/2.2.0 (Erlang OTP/19)"},
"Date": {"Sat, 01 Sep 2018 15:50:56 GMT"},
"Content-Type": {"application/json"},
"Transfer-Encoding": {"chunked"},
"Cache-Control": {"must-revalidate"},
"X-Couch-Request-ID": {"1bf258cfbe"},
"X-CouchDB-Body-Time": {"0"},
},
Body: io.NopCloser(strings.NewReader(`[{"key":"foo","error":"not_found"},{"key":"bar","error":"not_found"},{"key":"_users","info":{"db_name":"_users","update_seq":"1-g1AAAAEzeJzLYWBg4MhgTmHgzcvPy09JdcjLz8gvLskBCjMlMiTJ____PyuRAYeCJAUgmWSPX40DSE08WA0jLjUJIDX1eM3JYwGSDA1ACqhsPiF1CyDq9hNSdwCi7j4hdQ8g6kDuywIAiVhi9w","sizes":{"file":24423,"external":5361,"active":2316},"purge_seq":0,"other":{"data_size":5361},"doc_del_count":0,"doc_count":1,"disk_size":24423,"disk_format_version":6,"data_size":2316,"compact_running":false,"cluster":{"q":8,"n":1,"w":1,"r":1},"instance_start_time":"0"}}]
`)),
}, nil),
expected: []*driver.DBStats{
nil,
nil,
{
Name: "_users",
DocCount: 1,
UpdateSeq: "1-g1AAAAEzeJzLYWBg4MhgTmHgzcvPy09JdcjLz8gvLskBCjMlMiTJ____PyuRAYeCJAUgmWSPX40DSE08WA0jLjUJIDX1eM3JYwGSDA1ACqhsPiF1CyDq9hNSdwCi7j4hdQ8g6kDuywIAiVhi9w",
DiskSize: 24423,
ActiveSize: 2316,
ExternalSize: 5361,
Cluster: &driver.ClusterStats{
Replicas: 1,
Shards: 8,
ReadQuorum: 1,
WriteQuorum: 1,
},
RawResponse: []byte(`{"db_name":"_users","update_seq":"1-g1AAAAEzeJzLYWBg4MhgTmHgzcvPy09JdcjLz8gvLskBCjMlMiTJ____PyuRAYeCJAUgmWSPX40DSE08WA0jLjUJIDX1eM3JYwGSDA1ACqhsPiF1CyDq9hNSdwCi7j4hdQ8g6kDuywIAiVhi9w","sizes":{"file":24423,"external":5361,"active":2316},"purge_seq":0,"other":{"data_size":5361},"doc_del_count":0,"doc_count":1,"disk_size":24423,"disk_format_version":6,"data_size":2316,"compact_running":false,"cluster":{"q":8,"n":1,"w":1,"r":1},"instance_start_time":"0"}`),
},
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
result, err := test.client.DBsStats(context.Background(), test.dbnames)
testy.StatusErrorRE(t, test.err, test.status, err)
if d := testy.DiffInterface(test.expected, result); d != nil {
t.Error(d)
}
})
}
}
func TestPartitionStats(t *testing.T) {
type tt struct {
db *db
name string
status int
err string
}
tests := testy.NewTable()
tests.Add("network error", tt{
db: newTestDB(nil, errors.New("net error")),
name: "partXX",
status: http.StatusBadGateway,
err: `Get "?http://example.com/testdb/_partition/partXX"?: net error`,
})
tests.Add("read error", tt{
db: newTestDB(&http.Response{
StatusCode: http.StatusOK,
Body: &mockReadCloser{
ReadFunc: func(_ []byte) (int, error) {
return 0, errors.New("read error")
},
CloseFunc: func() error { return nil },
},
}, nil),
status: http.StatusBadGateway,
err: "read error",
})
tests.Add("invalid JSON response", tt{
db: newTestDB(&http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader(`invalid json`)),
}, nil),
status: http.StatusBadGateway,
err: "invalid character 'i' looking for beginning of value",
})
tests.Add("error response", tt{
db: newTestDB(&http.Response{
StatusCode: http.StatusBadRequest,
Body: io.NopCloser(strings.NewReader("")),
}, nil),
status: http.StatusBadRequest,
err: "Bad Request",
})
tests.Add("3.0.0-pre", tt{
db: newTestDB(&http.Response{
StatusCode: http.StatusOK,
Header: http.Header{
"Server": {"CouchDB/2.3.0-a1e11cea9 (Erlang OTP/21)"},
"Date": {"Thu, 24 Jan 2019 17:19:59 GMT"},
"Content-Type": {"application/json"},
"Content-Length": {"119"},
"Cache-Control": {"must-revalidate"},
"X-Couch-Request-ID": {"2486f27546"},
"X-CouchDB-Body-Time": {"0"},
},
Body: io.NopCloser(strings.NewReader(`{"db_name":"my_new_db","doc_count":1,"doc_del_count":0,"partition":"sensor-260","sizes":{"active":244,"external":347}}
`)),
}, nil),
})
tests.Run(t, func(t *testing.T, tt tt) {
result, err := tt.db.PartitionStats(context.Background(), tt.name)
testy.StatusErrorRE(t, tt.err, tt.status, err)
if d := testy.DiffInterface(testy.Snapshot(t), result); d != nil {
t.Error(d)
}
})
}