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Implement snowflake client lib as PTv2.1 Go API

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This implements a pluggable transports v2.1 compatible Go API in the
Snowflake client library, and refactors how the main Snowflake program
calls it. The Go API implements the two required client side functions:
a constructor that returns a Transport, and a Dial function for the
Transport that returns a net.Conn. See the PT specification for more
information:
https://github.com/Pluggable-Transports/Pluggable-Transports-spec/blob/master/releases/PTSpecV2.1/Pluggable%20Transport%20Specification%20v2.1%20-%20Go%20Transport%20API.pdf
This commit is contained in:
Cecylia Bocovich 2021-03-20 12:36:33 -04:00
parent af6e2c30e1
commit e87b9175dd
4 changed files with 211 additions and 207 deletions
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55
client/lib/lib_test.go
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@ -156,19 +156,6 @@ func TestSnowflakeClient(t *testing.T) {
})
Convey("Snowflake", t, func() {
SkipConvey("Handler Grants correctly", func() {
socks := &FakeSocksConn{}
broker := &BrokerChannel{Host: "test"}
d := NewWebRTCDialer(broker, nil, 1)
So(socks.rejected, ShouldEqual, false)
Handler(socks, d)
So(socks.rejected, ShouldEqual, true)
})
})
Convey("Dialers", t, func() {
Convey("Can construct WebRTCDialer.", func() {
broker := &BrokerChannel{Host: "test"}
@ -267,3 +254,45 @@ func TestSnowflakeClient(t *testing.T) {
})
}
func TestICEServerParser(t *testing.T) {
Convey("Test parsing of ICE servers", t, func() {
for _, test := range []struct {
input []string
urls [][]string
length int
}{
{
[]string{"stun:stun.l.google.com:19302"},
[][]string{[]string{"stun:stun.l.google.com:19302"}},
1,
},
{
[]string{"stun:stun.l.google.com:19302", "stun.ekiga.net"},
[][]string{[]string{"stun:stun.l.google.com:19302"}, []string{"stun.ekiga.net"}},
2,
},
{
[]string{"stun:stun.l.google.com:19302", "stun.ekiga.net"},
[][]string{[]string{"stun:stun.l.google.com:19302"}, []string{"stun.ekiga.net"}},
2,
},
} {
servers := parseIceServers(test.input)
if test.urls == nil {
So(servers, ShouldBeNil)
} else {
So(servers, ShouldNotBeNil)
}
So(len(servers), ShouldEqual, test.length)
for _, server := range servers {
So(test.urls, ShouldContain, server.URLs)
}
}
})
}