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scheduler_test.go
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scheduler_test.go
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package couchdb
import (
"context"
"encoding/json"
"errors"
"net/http"
"testing"
"time"
"gitlab.com/flimzy/testy"
"github.com/go-kivik/kivik/v4/driver"
)
func TestSRUpdate(t *testing.T) {
tests := []struct {
name string
rep *schedulerReplication
status int
err string
expected *driver.ReplicationInfo
}{
{
name: "network error",
rep: &schedulerReplication{
database: "_replicator",
docID: "foo",
db: newTestDB(nil, errors.New("net error")),
},
status: http.StatusBadGateway,
err: `Get "?http://example.com/_scheduler/docs/_replicator/foo"?: net error`,
},
{
name: "real example",
rep: &schedulerReplication{
database: "_replicator",
docID: "foo2",
db: newTestDB(&http.Response{
StatusCode: 200,
Header: http.Header{
"Server": {"CouchDB/2.1.0 (Erlang OTP/17)"},
"Date": {"Thu, 09 Nov 2017 15:23:20 GMT"},
"Content-Type": {"application/json"},
"Content-Length": {"687"},
"Cache-Control": {"must-revalidate"},
},
Body: Body(`{"database":"_replicator","doc_id":"foo2","id":null,"source":"http://localhost:5984/foo/","target":"http://localhost:5984/bar/","state":"completed","error_count":0,"info":{"revisions_checked":23,"missing_revisions_found":23,"docs_read":23,"docs_written":23,"changes_pending":null,"doc_write_failures":0,"checkpointed_source_seq":"27-g1AAAAIbeJyV0EsOgjAQBuAGMOLCM-gRSoUKK7mJ9kWQYLtQ13oTvYneRG-CfZAYSUjqZppM5v_SmRYAENchB3OppOKilKpWx1Or2wEBdNF1XVOHJD7oxnTFKMOcDYdH4nSpK930wsQKAmYIVdBXKI2w_RGQyFJYFb7CzgiXXgDuDywXKUk4mJ0lF9VeCj6SlpGu4KofDdyMEFoBk3QtMt87OOXulIdRAqvABHPO0F_K0ymv7zYU5UVe-W_zdoK9R2QFxhjBUAwzzQch86VT"},"start_time":"2017-11-01T21:05:03Z","last_updated":"2017-11-01T21:05:06Z"}`),
}, nil),
},
expected: &driver.ReplicationInfo{
DocsRead: 23,
DocsWritten: 23,
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
var result driver.ReplicationInfo
err := test.rep.Update(context.Background(), &result)
testy.StatusErrorRE(t, test.err, test.status, err)
if d := testy.DiffInterface(test.expected, &result); d != nil {
t.Error(d)
}
})
}
}
func TestRepInfoUnmarshalJSON(t *testing.T) {
tests := []struct {
name string
input string
expected *repInfo
err string
}{
{
name: "null",
input: "null",
expected: &repInfo{},
},
{
name: "error string",
input: `"db_not_found: could not open foo"`,
expected: &repInfo{
Error: &replicationError{
status: 404,
reason: "db_not_found: could not open foo",
},
},
},
{
name: "stats",
input: `{"revisions_checked":23,"missing_revisions_found":23,"docs_read":23,"docs_written":23,"changes_pending":null,"doc_write_failures":0,"checkpointed_source_seq":"27-g1AAAAIbeJyV0EsOgjAQBuAGMOLCM-gRSoUKK7mJ9kWQYLtQ13oTvYneRG-CfZAYSUjqZppM5v_SmRYAENchB3OppOKilKpWx1Or2wEBdNF1XVOHJD7oxnTFKMOcDYdH4nSpK930wsQKAmYIVdBXKI2w_RGQyFJYFb7CzgiXXgDuDywXKUk4mJ0lF9VeCj6SlpGu4KofDdyMEFoBk3QtMt87OOXulIdRAqvABHPO0F_K0ymv7zYU5UVe-W_zdoK9R2QFxhjBUAwzzQch86VT"}`,
expected: &repInfo{
DocsRead: 23,
DocsWritten: 23,
DocWriteFailures: 0,
},
},
{
name: "invalid stats object",
input: `{"docs_written":"chicken"}`,
err: "^json: cannot unmarshal string into Go ",
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
result := new(repInfo)
err := json.Unmarshal([]byte(test.input), result)
testy.ErrorRE(t, test.err, err)
if d := testy.DiffInterface(test.expected, result); d != nil {
t.Error(d)
}
})
}
}
func TestGetReplicationsFromScheduler(t *testing.T) {
tests := []struct {
name string
options map[string]interface{}
client *client
expected []*schedulerReplication
status int
err string
}{
{
name: "network error",
client: newTestClient(nil, errors.New("net error")),
status: http.StatusBadGateway,
err: `^Get "?http://example\.com/_scheduler/docs"?: net error$`,
},
{
name: "invalid options",
options: map[string]interface{}{"foo": make(chan int)},
status: http.StatusBadRequest,
err: "kivik: invalid type chan int for options",
},
{
name: "valid response, 2.1.0",
client: newTestClient(&http.Response{
StatusCode: 200,
Header: http.Header{
"Server": {"CouchDB/2.1.0 (Erlang OTP/17)"},
"Date": {"Wed, 08 Nov 2017 18:04:11 GMT"},
"Content-Type": {"application/json"},
"Transfer-Encoding": {"chunked"},
"Cache-Control": {"must-revalidate"},
"X-CouchDB-Body-Time": {"0"},
"X-Couch-Request-ID": {"6d47891c37"},
},
Body: Body(`{"total_rows":2,"offset":0,"docs":[
{"database":"_replicator","doc_id":"foo","id":"81cc3633ee8de1332e412ef9052c7b6f","node":"nonode@nohost","source":"foo","target":"bar","state":"crashing","info":"db_not_found: could not open foo","error_count":6,"last_updated":"2017-11-08T18:07:38Z","start_time":"2017-11-08T17:51:52Z","proxy":null},
{"database":"_replicator","doc_id":"foo2","id":null,"source":"http://admin:*****@localhost:5984/foo/","target":"http://admin:*****@localhost:5984/bar/","state":"completed","error_count":0,"info":{"revisions_checked":23,"missing_revisions_found":23,"docs_read":23,"docs_written":23,"changes_pending":null,"doc_write_failures":0,"checkpointed_source_seq":"27-g1AAAAIbeJyV0EsOgjAQBuAGMOLCM-gRSoUKK7mJ9kWQYLtQ13oTvYneRG-CfZAYSUjqZppM5v_SmRYAENchB3OppOKilKpWx1Or2wEBdNF1XVOHJD7oxnTFKMOcDYdH4nSpK930wsQKAmYIVdBXKI2w_RGQyFJYFb7CzgiXXgDuDywXKUk4mJ0lF9VeCj6SlpGu4KofDdyMEFoBk3QtMt87OOXulIdRAqvABHPO0F_K0ymv7zYU5UVe-W_zdoK9R2QFxhjBUAwzzQch86VT"},"start_time":"2017-11-01T21:05:03Z","last_updated":"2017-11-01T21:05:06Z"}
]}`),
}, nil),
expected: []*schedulerReplication{
{
database: "_replicator",
docID: "foo",
replicationID: "81cc3633ee8de1332e412ef9052c7b6f",
state: "crashing",
source: "foo",
target: "bar",
startTime: parseTime(t, "2017-11-08T17:51:52Z"),
lastUpdated: parseTime(t, "2017-11-08T18:07:38Z"),
info: repInfo{
Error: &replicationError{
status: 404,
reason: "db_not_found: could not open foo",
},
},
},
{
database: "_replicator",
docID: "foo2",
source: "http://admin:*****@localhost:5984/foo/",
target: "http://admin:*****@localhost:5984/bar/",
state: "completed",
startTime: parseTime(t, "2017-11-01T21:05:03Z"),
lastUpdated: parseTime(t, "2017-11-01T21:05:06Z"),
info: repInfo{
DocsRead: 23,
DocsWritten: 23,
},
},
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
reps, err := test.client.getReplicationsFromScheduler(context.Background(), test.options)
testy.StatusErrorRE(t, test.err, test.status, err)
result := make([]*schedulerReplication, len(reps))
for i, rep := range reps {
result[i] = rep.(*schedulerReplication)
result[i].db = nil
}
if d := testy.DiffInterface(test.expected, result); d != nil {
t.Error(d)
}
})
}
}
func TestSchedulerReplicationDelete(t *testing.T) {
tests := []struct {
name string
rep *schedulerReplication
status int
err string
}{
{
name: "HEAD network error",
rep: &schedulerReplication{
docID: "foo",
db: newTestDB(nil, errors.New("net error")),
},
status: http.StatusBadGateway,
err: `Head "?http://example.com/testdb/foo"?: net error`,
},
{
name: "DELETE network error",
rep: &schedulerReplication{
docID: "foo",
db: newCustomDB(func(r *http.Request) (*http.Response, error) {
if r.Method == http.MethodHead {
return &http.Response{
StatusCode: 200,
Header: http.Header{
"ETag": {`"9-b38287cbde7623a328843f830f418c92"`},
},
Body: Body(""),
}, nil
}
return nil, errors.New("net error")
}),
},
status: http.StatusBadGateway,
err: `(Delete "?http://example.com/testdb/foo?rev=9-b38287cbde7623a328843f830f418c92"?: )?net error`,
},
{
name: "success",
rep: &schedulerReplication{
docID: "foo",
db: newCustomDB(func(r *http.Request) (*http.Response, error) {
if r.Method == http.MethodHead {
return &http.Response{
StatusCode: 200,
Header: http.Header{
"ETag": {`"9-b38287cbde7623a328843f830f418c92"`},
},
Body: Body(""),
}, nil
}
expected := "http://example.com/testdb/foo?rev=9-b38287cbde7623a328843f830f418c92"
if r.URL.String() != expected {
panic("Unexpected url: " + r.URL.String())
}
return &http.Response{
StatusCode: 200,
Header: http.Header{
"X-CouchDB-Body-Time": {"0"},
"X-Couch-Request-ID": {"03b7ff8976"},
"Server": {"CouchDB/2.1.0 (Erlang OTP/17)"},
"ETag": {`"10-a4f1941d02a2bcc6b4fe8a463dbea746"`},
"Date": {"Sat, 11 Nov 2017 16:28:26 GMT"},
"Content-Type": {"application/json"},
"Content-Length": {"67"},
"Cache-Control": {"must-revalidate"},
},
Body: Body(`{"ok":true,"id":"foo","rev":"10-a4f1941d02a2bcc6b4fe8a463dbea746"}`),
}, nil
}),
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
err := test.rep.Delete(context.Background())
testy.StatusErrorRE(t, test.err, test.status, err)
})
}
}
func TestSchedulerReplicationGetters(t *testing.T) {
repID := "a"
source := "b"
target := "c"
state := "completed"
err := "e"
start := parseTime(t, "2017-01-01T01:01:01Z")
end := parseTime(t, "2017-01-01T01:01:02Z")
rep := &schedulerReplication{
replicationID: repID,
source: source,
target: target,
startTime: start,
lastUpdated: end,
state: state,
info: repInfo{Error: errors.New(err)},
}
if result := rep.ReplicationID(); result != repID {
t.Errorf("Unexpected replication ID: %s", result)
}
if result := rep.Source(); result != source {
t.Errorf("Unexpected source: %s", result)
}
if result := rep.Target(); result != target {
t.Errorf("Unexpected target: %s", result)
}
if result := rep.StartTime(); !result.Equal(start) {
t.Errorf("Unexpected start time: %v", result)
}
if result := rep.EndTime(); !result.Equal(end) {
t.Errorf("Unexpected end time: %v", result)
}
if result := rep.State(); result != state {
t.Errorf("Unexpected state: %s", result)
}
testy.Error(t, err, rep.Err())
}
func TestSchedulerSupported(t *testing.T) {
supported := true
unsupported := false
tests := []struct {
name string
client *client
expected bool
expectedState *bool
status int
err string
}{
{
name: "already set true",
client: &client{schedulerDetected: func() *bool { b := true; return &b }()},
expected: true,
expectedState: &supported,
},
{
name: "1.6.1, not supported",
client: newTestClient(&http.Response{
StatusCode: 400,
Header: http.Header{
"Server": {"CouchDB/1.6.1 (Erlang OTP/17)"},
"Date": {"Thu, 16 Nov 2017 17:37:32 GMT"},
"Content-Type": {"application/json"},
"Content-Length": {"201"},
"Cache-Control": {"must-revalidate"},
},
Request: &http.Request{Method: "HEAD"},
Body: Body(""),
}, nil),
expected: false,
expectedState: &unsupported,
},
{
name: "1.7.1, not supported",
client: newTestClient(&http.Response{
StatusCode: 400,
Header: http.Header{
"Server": {"CouchDB/1.7.1 (Erlang OTP/17)"},
"Date": {"Thu, 16 Nov 2017 17:37:32 GMT"},
"Content-Type": {"application/json"},
"Content-Length": {"201"},
"Cache-Control": {"must-revalidate"},
},
Request: &http.Request{Method: "HEAD"},
Body: Body(""),
}, nil),
expected: false,
expectedState: &unsupported,
},
{
name: "2.0.0, not supported",
client: newTestClient(&http.Response{
StatusCode: 404,
Header: http.Header{
"Cache-Control": {"must-revalidate"},
"Content-Length": {"58"},
"Content-Type": {"application/json"},
"Date": {"Thu, 16 Nov 2017 17:45:34 GMT"},
"Server": {"CouchDB/2.0.0 (Erlang OTP/17)"},
"X-Couch-Request-ID": {"027c1e7ffe"},
"X-CouchDB-Body-Time": {"0"},
},
Request: &http.Request{Method: "HEAD"},
Body: Body(""),
}, nil),
expected: false,
expectedState: &unsupported,
},
{
name: "2.1.1, supported",
client: newTestClient(&http.Response{
StatusCode: 200,
Header: http.Header{
"Server": {"CouchDB/2.1.0 (Erlang OTP/17)"},
"Date": {"Thu, 16 Nov 2017 17:47:58 GMT"},
"Content-Type": {"application/json"},
"Content-Length": {"38"},
"Cache-Control": {"must-revalidate"},
},
Request: &http.Request{Method: "HEAD"},
Body: Body(""),
}, nil),
expected: true,
expectedState: &supported,
},
{
name: "network error",
client: newTestClient(nil, errors.New("net error")),
expectedState: nil,
status: http.StatusBadGateway,
err: `Head "?http://example.com/_scheduler/jobs"?: net error`,
},
{
name: "Unexpected response code",
client: newTestClient(&http.Response{
StatusCode: 500,
Request: &http.Request{Method: "HEAD"},
Body: Body(""),
}, nil),
expected: false,
expectedState: &unsupported,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
result, err := test.client.schedulerSupported(context.Background())
if d := testy.DiffInterface(test.expectedState, test.client.schedulerDetected); d != nil {
t.Error(d)
}
testy.StatusErrorRE(t, test.err, test.status, err)
if result != test.expected {
t.Errorf("Unexpected result: %v", result)
}
})
}
}
func TestSRinnerUpdate(t *testing.T) {
tests := []struct {
name string
r *schedulerReplication
status int
err string
expected *schedulerReplication
}{
{
name: "network error",
r: &schedulerReplication{
database: "_replicator",
docID: "foo",
db: newTestDB(nil, errors.New("net error")),
},
status: http.StatusBadGateway,
err: `Get "?http://example.com/_scheduler/docs/_replicator/foo"?: net error`,
},
{
name: "2.1.1 500 bug",
r: &schedulerReplication{
database: "_replicator",
docID: "foo",
db: func() *db {
var count int
db := newCustomDB(func(req *http.Request) (*http.Response, error) {
if count == 0 {
count++
return &http.Response{
StatusCode: 500,
Header: http.Header{
"Content-Length": {"70"},
"Cache-Control": {"must-revalidate"},
"Content-Type": {"application/json"},
"Date": {"Thu, 16 Nov 2017 20:14:25 GMT"},
"Server": {"CouchDB/2.1.0 (Erlang OTP/17)"},
"X-Couch-Request-Id": {"65913f4727"},
"X-Couch-Stack-Hash": {"3194022798"},
"X-Couchdb-Body-Time": {"0"},
},
Request: &http.Request{Method: "GET"},
ContentLength: 70,
Body: Body(`{"error":"unknown_error","reason":"function_clause","ref":3194022798}`),
}, nil
}
return &http.Response{
StatusCode: 200,
Header: http.Header{
"Server": {"CouchDB/2.1.0 (Erlang OTP/17)"},
"Date": {"Thu, 09 Nov 2017 15:23:20 GMT"},
"Content-Type": {"application/json"},
"Content-Length": {"687"},
"Cache-Control": {"must-revalidate"},
},
Body: Body(`{"database":"_replicator","doc_id":"foo2","id":null,"source":"http://localhost:5984/foo/","target":"http://localhost:5984/bar/","state":"completed","error_count":0,"info":{"revisions_checked":23,"missing_revisions_found":23,"docs_read":23,"docs_written":23,"changes_pending":null,"doc_write_failures":0,"checkpointed_source_seq":"27-g1AAAAIbeJyV0EsOgjAQBuAGMOLCM-gRSoUKK7mJ9kWQYLtQ13oTvYneRG-CfZAYSUjqZppM5v_SmRYAENchB3OppOKilKpWx1Or2wEBdNF1XVOHJD7oxnTFKMOcDYdH4nSpK930wsQKAmYIVdBXKI2w_RGQyFJYFb7CzgiXXgDuDywXKUk4mJ0lF9VeCj6SlpGu4KofDdyMEFoBk3QtMt87OOXulIdRAqvABHPO0F_K0ymv7zYU5UVe-W_zdoK9R2QFxhjBUAwzzQch86VT"},"start_time":"2017-11-01T21:05:03Z","last_updated":"2017-11-01T21:05:06Z"}`),
}, nil
})
return db
}(),
},
expected: &schedulerReplication{
docID: "foo2",
database: "_replicator",
source: "http://localhost:5984/foo/",
target: "http://localhost:5984/bar/",
startTime: parseTime(t, "2017-11-01T21:05:03Z"),
lastUpdated: parseTime(t, "2017-11-01T21:05:06Z"),
state: "completed",
info: repInfo{
DocsRead: 23,
DocsWritten: 23,
},
},
},
{
name: "db not found",
r: &schedulerReplication{
database: "_replicator",
docID: "56d257bd2125c8f15870b3ddd202c4ca",
db: newTestDB(&http.Response{
StatusCode: 200,
Header: http.Header{
"Server": {"CouchDB/2.1.0 (Erlang OTP/17)"},
"Date": {"Fri, 17 Nov 2017 13:05:52 GMT"},
"Content-Type": {"application/json"},
"Content-Length": {"328"},
"Cache-Control": {"must-revalidate"},
},
Body: Body(`{"database":"_replicator","doc_id":"56d257bd2125c8f15870b3ddd202c4ca","id":"c636d089fbdc3a9a937a466acf8f42c3","node":"nonode@nohost","source":"foo","target":"bar","state":"crashing","info":"db_not_found: could not open foo","error_count":7,"last_updated":"2017-11-17T12:59:35Z","start_time":"2017-11-17T12:22:25Z","proxy":null}`),
}, nil),
},
expected: &schedulerReplication{
docID: "56d257bd2125c8f15870b3ddd202c4ca",
database: "_replicator",
replicationID: "c636d089fbdc3a9a937a466acf8f42c3",
source: "foo",
target: "bar",
startTime: parseTime(t, "2017-11-17T12:22:25Z"),
lastUpdated: parseTime(t, "2017-11-17T12:59:35Z"),
state: "crashing",
info: repInfo{
Error: &replicationError{
status: 404,
reason: "db_not_found: could not open foo",
},
},
},
},
{
name: "null time",
r: &schedulerReplication{
database: "_replicator",
docID: "56d257bd2125c8f15870b3ddd202c4ca",
db: newTestDB(&http.Response{
StatusCode: 200,
Header: http.Header{
"Server": {"CouchDB/2.1.0 (Erlang OTP/17)"},
"Date": {"Fri, 17 Nov 2017 13:05:52 GMT"},
"Content-Type": {"application/json"},
"Content-Length": {"275"},
"Cache-Control": {"must-revalidate"},
},
Body: Body(`{"database":"_replicator","doc_id":"733c70a35768b7a8fc2e178bd9003f1b","id":null,"source":"http://localhost:5984/kivik$replicate_rw_admin$5fbcf68d8d9aaee0/","target":"http://localhost:5984/foo/","state":null,"error_count":0,"info":null,"start_time":null,"last_updated":null}`),
}, nil),
},
expected: &schedulerReplication{
docID: "733c70a35768b7a8fc2e178bd9003f1b",
database: "_replicator",
replicationID: "",
source: "http://localhost:5984/kivik$replicate_rw_admin$5fbcf68d8d9aaee0/",
target: "http://localhost:5984/foo/",
startTime: time.Time{},
lastUpdated: time.Time{},
state: "",
info: repInfo{},
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
err := test.r.update(context.Background())
testy.StatusErrorRE(t, test.err, test.status, err)
test.r.db = nil
if d := testy.DiffInterface(test.expected, test.r); d != nil {
t.Error(d)
}
})
}
}
func TestFetchSchedulerReplication(t *testing.T) {
tests := []struct {
name string
client *client
docID string
expected *schedulerReplication
status int
err string
}{
{
name: "network error",
client: newTestClient(nil, errors.New("net error")),
status: http.StatusBadGateway,
err: `Get "?http://example.com/_scheduler/docs/_replicator/"?: net error`,
},
{
name: "loop wait",
client: func() *client {
var count int
return newCustomClient(func(_ *http.Request) (*http.Response, error) {
if count < 2 {
count++
return &http.Response{
StatusCode: 200,
Body: Body(`{"database":"_replicator","doc_id":"56d257bd2125c8f15870b3ddd2074759","id":null,"state":"initializing","info":null,"error_count":0,"node":"nonode@nohost","last_updated":"2017-11-17T19:56:09Z","start_time":"2017-11-17T19:56:09Z"}`),
}, nil
}
return &http.Response{
StatusCode: 200,
Body: Body(`{"database":"_replicator","doc_id":"56d257bd2125c8f15870b3ddd2074759","id":"c636d089fbdc3a9a937a466acf8f42c3","node":"nonode@nohost","source":"foo","target":"bar","state":"crashing","info":"db_not_found: could not open foo","error_count":1,"last_updated":"2017-11-17T19:57:09Z","start_time":"2017-11-17T19:56:09Z","proxy":null}`),
}, nil
})
}(),
expected: &schedulerReplication{
docID: "56d257bd2125c8f15870b3ddd2074759",
database: "_replicator",
replicationID: "c636d089fbdc3a9a937a466acf8f42c3",
source: "foo",
target: "bar",
startTime: parseTime(t, "2017-11-17T19:56:09Z"),
lastUpdated: parseTime(t, "2017-11-17T19:57:09Z"),
state: "crashing",
info: repInfo{
Error: &replicationError{
status: 404,
reason: "db_not_found: could not open foo",
},
},
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
result, err := test.client.fetchSchedulerReplication(context.Background(), test.docID)
testy.StatusErrorRE(t, test.err, test.status, err)
result.db = nil
if d := testy.DiffInterface(test.expected, result); d != nil {
t.Error(d)
}
})
}
}