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package db
import (
"github.com/mongodb/mongo-tools/common/connstring"
. "github.com/smartystreets/goconvey/convey"
"fmt"
"testing"
"time"
)
func TestBuildWriteConcern(t *testing.T) {
Convey("When building write concern object", t, func() {
Convey("and given a write concern string value, and a boolean indicating if the "+
"write concern is to be used on a replica set, on calling BuildWriteConcern...", func() {
Convey("no error should be returned if the write concern is valid", func() {
writeConcern, err := BuildWriteConcern(`{w:34}`, ReplSet, nil)
So(err, ShouldBeNil)
So(writeConcern.W, ShouldEqual, 34)
writeConcern, err = BuildWriteConcern(`{w:"majority"}`, ReplSet, nil)
So(err, ShouldBeNil)
So(writeConcern.WMode, ShouldEqual, "majority")
writeConcern, err = BuildWriteConcern(`majority`, ReplSet, nil)
So(err, ShouldBeNil)
So(writeConcern.WMode, ShouldEqual, "majority")
writeConcern, err = BuildWriteConcern(`tagset`, ReplSet, nil)
So(err, ShouldBeNil)
So(writeConcern.WMode, ShouldEqual, "tagset")
})
Convey("on replica sets, only a write concern of 1 or 0 should be returned", func() {
writeConcern, err := BuildWriteConcern(`{w:34}`, Standalone, nil)
So(err, ShouldBeNil)
So(writeConcern.W, ShouldEqual, 1)
writeConcern, err = BuildWriteConcern(`{w:"majority"}`, Standalone, nil)
So(err, ShouldBeNil)
So(writeConcern.W, ShouldEqual, 1)
writeConcern, err = BuildWriteConcern(`tagset`, Standalone, nil)
So(err, ShouldBeNil)
So(writeConcern.W, ShouldEqual, 1)
})
Convey("with a w value of 0, without j set, a nil write concern should be returned", func() {
writeConcern, err := BuildWriteConcern(`{w:0}`, Standalone, nil)
So(err, ShouldBeNil)
So(writeConcern, ShouldBeNil)
})
Convey("with a negative w value, an error should be returned", func() {
_, err := BuildWriteConcern(`{w:-1}`, ReplSet, nil)
So(err, ShouldNotBeNil)
_, err = BuildWriteConcern(`{w:-2}`, ReplSet, nil)
So(err, ShouldNotBeNil)
})
Convey("with a w value of 0, with j set, a non-nil write concern should be returned", func() {
writeConcern, err := BuildWriteConcern(`{w:0, j:true}`, Standalone, nil)
So(err, ShouldBeNil)
So(writeConcern.J, ShouldBeTrue)
})
// Regression test for TOOLS-1741
Convey("When passing an empty writeConcern and empty URI"+
"then write concern should default to being majority", func() {
writeConcern, err := BuildWriteConcern("", ReplSet, nil)
So(err, ShouldBeNil)
So(writeConcern.WMode, ShouldEqual, "majority")
})
})
Convey("and given a connection string", func() {
Convey("with a w value of 0, without j set, a nil write concern should be returned", func() {
writeConcern, err := BuildWriteConcern(``, Standalone, &connstring.ConnString{W: "0"})
So(err, ShouldBeNil)
So(writeConcern, ShouldBeNil)
})
Convey("with a negative w value, an error should be returned", func() {
_, err := BuildWriteConcern(``, ReplSet, &connstring.ConnString{W: "-1"})
So(err, ShouldNotBeNil)
_, err = BuildWriteConcern(``, ReplSet, &connstring.ConnString{W: "-2"})
So(err, ShouldNotBeNil)
})
Convey("on replica sets, only a write concern of 1 or 0 should be returned", func() {
writeConcern, err := BuildWriteConcern(``, Standalone, &connstring.ConnString{W: "34"})
So(err, ShouldBeNil)
So(writeConcern.W, ShouldEqual, 1)
writeConcern, err = BuildWriteConcern(``, Standalone, &connstring.ConnString{W: "majority"})
So(err, ShouldBeNil)
So(writeConcern.W, ShouldEqual, 1)
writeConcern, err = BuildWriteConcern(``, Standalone, &connstring.ConnString{W: "tagset"})
So(err, ShouldBeNil)
So(writeConcern.W, ShouldEqual, 1)
})
})
Convey("and given both, should error", func() {
_, err := BuildWriteConcern(`ab`, ReplSet, &connstring.ConnString{W: "-1"})
So(err, ShouldNotBeNil)
})
})
}
func TestConstructWCObject(t *testing.T) {
Convey("Given a write concern string value, on calling constructWCObject...", t, func() {
Convey("non-JSON string values should be assigned to the 'WMode' "+
"field in their entirety", func() {
writeConcernString := "majority"
writeConcern, err := constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern.WMode, ShouldEqual, writeConcernString)
})
Convey("non-JSON int values should be assigned to the 'w' field "+
"in their entirety", func() {
writeConcernString := `{w: 4}`
writeConcern, err := constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern.W, ShouldEqual, 4)
})
Convey("JSON strings with valid j, wtimeout, fsync and w, should be "+
"assigned accordingly", func() {
writeConcernString := `{w: 3, j: true, fsync: false, wtimeout: 43}`
expectedW := 3
expectedWTimeout := 43
writeConcern, err := constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern.W, ShouldEqual, expectedW)
So(writeConcern.J, ShouldBeTrue)
So(writeConcern.FSync, ShouldBeFalse)
So(writeConcern.WTimeout, ShouldEqual, expectedWTimeout)
})
Convey("JSON strings with an argument for j that is not false should set j true", func() {
writeConcernString := `{w: 3, j: "rue"}`
writeConcern, err := constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern.W, ShouldEqual, 3)
So(writeConcern.J, ShouldBeTrue)
})
Convey("JSON strings with an argument for fsync that is not false should set fsync true", func() {
writeConcernString := `{w: 3, fsync: "rue"}`
writeConcern, err := constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern.W, ShouldEqual, 3)
So(writeConcern.FSync, ShouldBeTrue)
})
Convey("JSON strings with an invalid wtimeout argument should error out", func() {
writeConcernString := `{w: 3, wtimeout: "rue"}`
_, err := constructWCObject(writeConcernString)
So(err, ShouldNotBeNil)
writeConcernString = `{w: 3, wtimeout: "43"}`
_, err = constructWCObject(writeConcernString)
So(err, ShouldNotBeNil)
})
Convey("JSON strings with any non-false j argument should not error out", func() {
writeConcernString := `{w: 3, j: "t"}`
writeConcern, err := constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern.J, ShouldBeTrue)
writeConcernString = `{w: 3, j: "f"}`
writeConcern, err = constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern.J, ShouldBeTrue)
writeConcernString = `{w: 3, j: false}`
writeConcern, err = constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern.J, ShouldBeFalse)
writeConcernString = `{w: 3, j: 0}`
writeConcern, err = constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern.J, ShouldBeFalse)
})
Convey("JSON strings with a shorthand fsync argument should not error out", func() {
writeConcernString := `{w: 3, fsync: "t"}`
writeConcern, err := constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern.FSync, ShouldBeTrue)
writeConcernString = `{w: "3", fsync: "f"}`
writeConcern, err = constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern.FSync, ShouldBeTrue)
writeConcernString = `{w: "3", fsync: false}`
writeConcern, err = constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern.FSync, ShouldBeFalse)
writeConcernString = `{w: "3", fsync: 0}`
writeConcern, err = constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern.FSync, ShouldBeFalse)
})
Convey("Unacknowledge write concern strings should return a nil object "+
"if journaling is not required", func() {
writeConcernString := `{w: 0}`
writeConcern, err := constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern, ShouldBeNil)
writeConcernString = `{w: 0}`
writeConcern, err = constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern, ShouldBeNil)
writeConcernString = `0`
writeConcern, err = constructWCObject(writeConcernString)
So(err, ShouldBeNil)
So(writeConcern, ShouldBeNil)
})
})
}
func TestConstructSafetyFromConnString(t *testing.T) {
Convey("Given a parsed &connstring, on calling constructSafetyFromConnString...", t, func() {
Convey("non string values should be assigned to the 'WMode' "+
"field in their entirety", func() {
writeConcernString := "majority"
cs := &connstring.ConnString{
W: writeConcernString,
}
writeConcern, err := constructSafetyFromConnString(cs)
So(err, ShouldBeNil)
So(writeConcern.WMode, ShouldEqual, writeConcernString)
})
Convey("Int values should be assigned to the 'w' field ", func() {
cs := &connstring.ConnString{
W: "4",
}
writeConcern, err := constructSafetyFromConnString(cs)
So(err, ShouldBeNil)
So(writeConcern.W, ShouldEqual, 4)
})
Convey("&connstrings with valid j, wtimeout, fsync and w, should be "+
"assigned accordingly", func() {
expectedW := 3
expectedWTimeout := 43
cs := &connstring.ConnString{
W: "3",
Journal: true,
FSync: false,
WTimeout: time.Second * 43,
}
writeConcern, err := constructSafetyFromConnString(cs)
So(err, ShouldBeNil)
So(writeConcern.W, ShouldEqual, expectedW)
So(writeConcern.J, ShouldBeTrue)
So(writeConcern.FSync, ShouldBeFalse)
So(writeConcern.WTimeout, ShouldEqual, expectedWTimeout)
})
Convey("Unacknowledge write concern strings should return a nil object "+
"if journaling is not required", func() {
cs := &connstring.ConnString{
W: "0",
}
writeConcern, err := constructSafetyFromConnString(cs)
fmt.Println(writeConcern)
So(err, ShouldBeNil)
So(writeConcern, ShouldBeNil)
})
})
}
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