etcd/server/v2/tests/put_handler_test.go
2014-04-14 11:03:46 -07:00

461 lines
16 KiB
Go

package v2
import (
"fmt"
"net/http"
"net/url"
"testing"
"time"
"github.com/coreos/etcd/server"
"github.com/coreos/etcd/tests"
"github.com/coreos/etcd/third_party/github.com/stretchr/testify/assert"
)
// Ensures that a key is set to a given value.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX
//
func TestV2SetKey(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
resp, err := tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar"), v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
body := tests.ReadBody(resp)
assert.Nil(t, err, "")
assert.Equal(t, string(body), `{"action":"set","node":{"key":"/foo/bar","value":"XXX","modifiedIndex":2,"createdIndex":2}}`, "")
})
}
// Ensures that a directory is created
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar?dir=true
//
func TestV2SetDirectory(t *testing.T) {
tests.RunServer(func(s *server.Server) {
resp, err := tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo?dir=true"), url.Values{})
assert.Equal(t, resp.StatusCode, http.StatusCreated)
body := tests.ReadBody(resp)
assert.Nil(t, err, "")
assert.Equal(t, string(body), `{"action":"set","node":{"key":"/foo","dir":true,"modifiedIndex":2,"createdIndex":2}}`, "")
})
}
// Ensures that a time-to-live is added to a key.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX -d ttl=20
//
func TestV2SetKeyWithTTL(t *testing.T) {
tests.RunServer(func(s *server.Server) {
t0 := time.Now()
v := url.Values{}
v.Set("value", "XXX")
v.Set("ttl", "20")
resp, _ := tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar"), v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
body := tests.ReadBodyJSON(resp)
node := body["node"].(map[string]interface{})
assert.Equal(t, node["ttl"], 20, "")
// Make sure the expiration date is correct.
expiration, _ := time.Parse(time.RFC3339Nano, node["expiration"].(string))
assert.Equal(t, expiration.Sub(t0)/time.Second, 20, "")
})
}
// Ensures that an invalid time-to-live is returned as an error.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX -d ttl=bad_ttl
//
func TestV2SetKeyWithBadTTL(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
v.Set("ttl", "bad_ttl")
resp, _ := tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar"), v)
assert.Equal(t, resp.StatusCode, http.StatusBadRequest)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["errorCode"], 202, "")
assert.Equal(t, body["message"], "The given TTL in POST form is not a number", "")
assert.Equal(t, body["cause"], "Update", "")
})
}
// Ensures that a key is conditionally set if it previously did not exist.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX -d prevExist=false
//
func TestV2CreateKeySuccess(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
v.Set("prevExist", "false")
resp, _ := tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar"), v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
body := tests.ReadBodyJSON(resp)
node := body["node"].(map[string]interface{})
assert.Equal(t, node["value"], "XXX", "")
})
}
// Ensures that a key is not conditionally set because it previously existed.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX -d prevExist=false
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX -d prevExist=false -> fail
//
func TestV2CreateKeyFail(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
v.Set("prevExist", "false")
fullURL := fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar")
resp, _ := tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
tests.ReadBody(resp)
resp, _ = tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusPreconditionFailed)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["errorCode"], 105, "")
assert.Equal(t, body["message"], "Key already exists", "")
assert.Equal(t, body["cause"], "/foo/bar", "")
})
}
// Ensures that a key is conditionally set only if it previously did exist.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=YYY -d prevExist=true
//
func TestV2UpdateKeySuccess(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
fullURL := fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar")
resp, _ := tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
tests.ReadBody(resp)
v.Set("value", "YYY")
v.Set("prevExist", "true")
resp, _ = tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusOK)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["action"], "update", "")
})
}
// Ensures that a key is not conditionally set if it previously did not exist.
//
// $ curl -X PUT localhost:4001/v2/keys/foo?dir=true
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX -d prevExist=true
//
func TestV2UpdateKeyFailOnValue(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
resp, _ := tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo?dir=true"), v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
v.Set("value", "YYY")
v.Set("prevExist", "true")
resp, _ = tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar"), v)
assert.Equal(t, resp.StatusCode, http.StatusNotFound)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["errorCode"], 100, "")
assert.Equal(t, body["message"], "Key not found", "")
assert.Equal(t, body["cause"], "/foo/bar", "")
})
}
// Ensures that a key is not conditionally set if it previously did not exist.
//
// $ curl -X PUT localhost:4001/v2/keys/foo -d value=YYY -d prevExist=true -> fail
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=YYY -d prevExist=true -> fail
//
func TestV2UpdateKeyFailOnMissingDirectory(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "YYY")
v.Set("prevExist", "true")
resp, _ := tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo"), v)
assert.Equal(t, resp.StatusCode, http.StatusNotFound)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["errorCode"], 100, "")
assert.Equal(t, body["message"], "Key not found", "")
assert.Equal(t, body["cause"], "/foo", "")
resp, _ = tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar"), v)
assert.Equal(t, resp.StatusCode, http.StatusNotFound)
body = tests.ReadBodyJSON(resp)
assert.Equal(t, body["errorCode"], 100, "")
assert.Equal(t, body["message"], "Key not found", "")
assert.Equal(t, body["cause"], "/foo", "")
})
}
// Ensures that a key could update TTL.
//
// $ curl -X PUT localhost:4001/v2/keys/foo -d value=XXX
// $ curl -X PUT localhost:4001/v2/keys/foo -d value=XXX -d ttl=1000 -d prevExist=true
// $ curl -X PUT localhost:4001/v2/keys/foo -d value=XXX -d ttl= -d prevExist=true
//
func TestV2UpdateKeySuccessWithTTL(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
resp, _ := tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo"), v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
node := (tests.ReadBodyJSON(resp)["node"]).(map[string]interface{})
createdIndex := node["createdIndex"]
v.Set("ttl", "1000")
v.Set("prevExist", "true")
resp, _ = tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo"), v)
assert.Equal(t, resp.StatusCode, http.StatusOK)
node = (tests.ReadBodyJSON(resp)["node"]).(map[string]interface{})
assert.Equal(t, node["value"], "XXX", "")
assert.Equal(t, node["ttl"], 1000, "")
assert.NotEqual(t, node["expiration"], "", "")
assert.Equal(t, node["createdIndex"], createdIndex, "")
v.Del("ttl")
resp, _ = tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo"), v)
assert.Equal(t, resp.StatusCode, http.StatusOK)
node = (tests.ReadBodyJSON(resp)["node"]).(map[string]interface{})
assert.Equal(t, node["value"], "XXX", "")
assert.Equal(t, node["ttl"], nil, "")
assert.Equal(t, node["expiration"], nil, "")
assert.Equal(t, node["createdIndex"], createdIndex, "")
})
}
// Ensures that a key is set only if the previous index matches.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=YYY -d prevIndex=1
//
func TestV2SetKeyCASOnIndexSuccess(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
fullURL := fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar")
resp, _ := tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
tests.ReadBody(resp)
v.Set("value", "YYY")
v.Set("prevIndex", "2")
resp, _ = tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusOK)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["action"], "compareAndSwap", "")
node := body["node"].(map[string]interface{})
assert.Equal(t, node["value"], "YYY", "")
assert.Equal(t, node["modifiedIndex"], 3, "")
})
}
// Ensures that a key is not set if the previous index does not match.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=YYY -d prevIndex=10
//
func TestV2SetKeyCASOnIndexFail(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
fullURL := fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar")
resp, _ := tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
tests.ReadBody(resp)
v.Set("value", "YYY")
v.Set("prevIndex", "10")
resp, _ = tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusPreconditionFailed)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["errorCode"], 101, "")
assert.Equal(t, body["message"], "Compare failed", "")
assert.Equal(t, body["cause"], "[10 != 2]", "")
assert.Equal(t, body["index"], 2, "")
})
}
// Ensures that an error is thrown if an invalid previous index is provided.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=YYY -d prevIndex=bad_index
//
func TestV2SetKeyCASWithInvalidIndex(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "YYY")
v.Set("prevIndex", "bad_index")
resp, _ := tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar"), v)
assert.Equal(t, resp.StatusCode, http.StatusBadRequest)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["errorCode"], 203, "")
assert.Equal(t, body["message"], "The given index in POST form is not a number", "")
assert.Equal(t, body["cause"], "CompareAndSwap", "")
})
}
// Ensures that a key is set only if the previous value matches.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=YYY -d prevValue=XXX
//
func TestV2SetKeyCASOnValueSuccess(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
fullURL := fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar")
resp, _ := tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
tests.ReadBody(resp)
v.Set("value", "YYY")
v.Set("prevValue", "XXX")
resp, _ = tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusOK)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["action"], "compareAndSwap", "")
node := body["node"].(map[string]interface{})
assert.Equal(t, node["value"], "YYY", "")
assert.Equal(t, node["modifiedIndex"], 3, "")
})
}
// Ensures that a key is not set if the previous value does not match.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=YYY -d prevValue=AAA
//
func TestV2SetKeyCASOnValueFail(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
fullURL := fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar")
resp, _ := tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
tests.ReadBody(resp)
v.Set("value", "YYY")
v.Set("prevValue", "AAA")
resp, _ = tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusPreconditionFailed)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["errorCode"], 101, "")
assert.Equal(t, body["message"], "Compare failed", "")
assert.Equal(t, body["cause"], "[AAA != XXX]", "")
assert.Equal(t, body["index"], 2, "")
})
}
// Ensures that an error is returned if a blank prevValue is set.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX -d prevValue=
//
func TestV2SetKeyCASWithMissingValueFails(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
v.Set("prevValue", "")
resp, _ := tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar"), v)
assert.Equal(t, resp.StatusCode, http.StatusBadRequest)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["errorCode"], 201, "")
assert.Equal(t, body["message"], "PrevValue is Required in POST form", "")
assert.Equal(t, body["cause"], "CompareAndSwap", "")
})
}
// Ensures that a key is not set if both previous value and index do not match.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=YYY -d prevValue=AAA -d prevIndex=3
//
func TestV2SetKeyCASOnValueAndIndexFail(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
fullURL := fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar")
resp, _ := tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
tests.ReadBody(resp)
v.Set("value", "YYY")
v.Set("prevValue", "AAA")
v.Set("prevIndex", "3")
resp, _ = tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusPreconditionFailed)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["errorCode"], 101, "")
assert.Equal(t, body["message"], "Compare failed", "")
assert.Equal(t, body["cause"], "[AAA != XXX] [3 != 2]", "")
assert.Equal(t, body["index"], 2, "")
})
}
// Ensures that a key is not set if previous value match but index does not.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=YYY -d prevValue=XXX -d prevIndex=3
//
func TestV2SetKeyCASOnValueMatchAndIndexFail(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
fullURL := fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar")
resp, _ := tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
tests.ReadBody(resp)
v.Set("value", "YYY")
v.Set("prevValue", "XXX")
v.Set("prevIndex", "3")
resp, _ = tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusPreconditionFailed)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["errorCode"], 101, "")
assert.Equal(t, body["message"], "Compare failed", "")
assert.Equal(t, body["cause"], "[3 != 2]", "")
assert.Equal(t, body["index"], 2, "")
})
}
// Ensures that a key is not set if previous index matches but value does not.
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=XXX
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=YYY -d prevValue=AAA -d prevIndex=2
//
func TestV2SetKeyCASOnIndexMatchAndValueFail(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "XXX")
fullURL := fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar")
resp, _ := tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
tests.ReadBody(resp)
v.Set("value", "YYY")
v.Set("prevValue", "AAA")
v.Set("prevIndex", "2")
resp, _ = tests.PutForm(fullURL, v)
assert.Equal(t, resp.StatusCode, http.StatusPreconditionFailed)
body := tests.ReadBodyJSON(resp)
assert.Equal(t, body["errorCode"], 101, "")
assert.Equal(t, body["message"], "Compare failed", "")
assert.Equal(t, body["cause"], "[AAA != XXX]", "")
assert.Equal(t, body["index"], 2, "")
})
}
// Ensure that we can set an empty value
//
// $ curl -X PUT localhost:4001/v2/keys/foo/bar -d value=
//
func TestV2SetKeyCASWithEmptyValueSuccess(t *testing.T) {
tests.RunServer(func(s *server.Server) {
v := url.Values{}
v.Set("value", "")
resp, _ := tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar"), v)
assert.Equal(t, resp.StatusCode, http.StatusCreated)
body := tests.ReadBody(resp)
assert.Equal(t, string(body), `{"action":"set","node":{"key":"/foo/bar","value":"","modifiedIndex":2,"createdIndex":2}}`)
})
}