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moby--moby/pkg/discovery/discovery_test.go

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package discovery
import (
"testing"
"github.com/go-check/check"
)
// Hook up gocheck into the "go test" runner.
func Test(t *testing.T) { check.TestingT(t) }
type DiscoverySuite struct{}
var _ = check.Suite(&DiscoverySuite{})
func (s *DiscoverySuite) TestNewEntry(c *check.C) {
entry, err := NewEntry("127.0.0.1:2375")
c.Assert(err, check.IsNil)
c.Assert(entry.Equals(&Entry{Host: "127.0.0.1", Port: "2375"}), check.Equals, true)
c.Assert(entry.String(), check.Equals, "127.0.0.1:2375")
entry, err = NewEntry("[2001:db8:0:f101::2]:2375")
c.Assert(err, check.IsNil)
c.Assert(entry.Equals(&Entry{Host: "2001:db8:0:f101::2", Port: "2375"}), check.Equals, true)
c.Assert(entry.String(), check.Equals, "[2001:db8:0:f101::2]:2375")
_, err = NewEntry("127.0.0.1")
c.Assert(err, check.NotNil)
}
func (s *DiscoverySuite) TestParse(c *check.C) {
scheme, uri := parse("127.0.0.1:2375")
c.Assert(scheme, check.Equals, "nodes")
c.Assert(uri, check.Equals, "127.0.0.1:2375")
scheme, uri = parse("localhost:2375")
c.Assert(scheme, check.Equals, "nodes")
c.Assert(uri, check.Equals, "localhost:2375")
scheme, uri = parse("scheme://127.0.0.1:2375")
c.Assert(scheme, check.Equals, "scheme")
c.Assert(uri, check.Equals, "127.0.0.1:2375")
scheme, uri = parse("scheme://localhost:2375")
c.Assert(scheme, check.Equals, "scheme")
c.Assert(uri, check.Equals, "localhost:2375")
scheme, uri = parse("")
c.Assert(scheme, check.Equals, "nodes")
c.Assert(uri, check.Equals, "")
}
func (s *DiscoverySuite) TestCreateEntries(c *check.C) {
entries, err := CreateEntries(nil)
c.Assert(entries, check.DeepEquals, Entries{})
c.Assert(err, check.IsNil)
entries, err = CreateEntries([]string{"127.0.0.1:2375", "127.0.0.2:2375", "[2001:db8:0:f101::2]:2375", ""})
c.Assert(err, check.IsNil)
expected := Entries{
&Entry{Host: "127.0.0.1", Port: "2375"},
&Entry{Host: "127.0.0.2", Port: "2375"},
&Entry{Host: "2001:db8:0:f101::2", Port: "2375"},
}
c.Assert(entries.Equals(expected), check.Equals, true)
_, err = CreateEntries([]string{"127.0.0.1", "127.0.0.2"})
c.Assert(err, check.NotNil)
}
func (s *DiscoverySuite) TestContainsEntry(c *check.C) {
entries, err := CreateEntries([]string{"127.0.0.1:2375", "127.0.0.2:2375", ""})
c.Assert(err, check.IsNil)
c.Assert(entries.Contains(&Entry{Host: "127.0.0.1", Port: "2375"}), check.Equals, true)
c.Assert(entries.Contains(&Entry{Host: "127.0.0.3", Port: "2375"}), check.Equals, false)
}
func (s *DiscoverySuite) TestEntriesEquality(c *check.C) {
entries := Entries{
&Entry{Host: "127.0.0.1", Port: "2375"},
&Entry{Host: "127.0.0.2", Port: "2375"},
}
// Same
c.Assert(entries.Equals(Entries{
&Entry{Host: "127.0.0.1", Port: "2375"},
&Entry{Host: "127.0.0.2", Port: "2375"},
}), check.
Equals, true)
// Different size
c.Assert(entries.Equals(Entries{
&Entry{Host: "127.0.0.1", Port: "2375"},
&Entry{Host: "127.0.0.2", Port: "2375"},
&Entry{Host: "127.0.0.3", Port: "2375"},
}), check.
Equals, false)
// Different content
c.Assert(entries.Equals(Entries{
&Entry{Host: "127.0.0.1", Port: "2375"},
&Entry{Host: "127.0.0.42", Port: "2375"},
}), check.
Equals, false)
}
func (s *DiscoverySuite) TestEntriesDiff(c *check.C) {
entry1 := &Entry{Host: "1.1.1.1", Port: "1111"}
entry2 := &Entry{Host: "2.2.2.2", Port: "2222"}
entry3 := &Entry{Host: "3.3.3.3", Port: "3333"}
entries := Entries{entry1, entry2}
// No diff
added, removed := entries.Diff(Entries{entry2, entry1})
c.Assert(added, check.HasLen, 0)
c.Assert(removed, check.HasLen, 0)
// Add
added, removed = entries.Diff(Entries{entry2, entry3, entry1})
c.Assert(added, check.HasLen, 1)
c.Assert(added.Contains(entry3), check.Equals, true)
c.Assert(removed, check.HasLen, 0)
// Remove
added, removed = entries.Diff(Entries{entry2})
c.Assert(added, check.HasLen, 0)
c.Assert(removed, check.HasLen, 1)
c.Assert(removed.Contains(entry1), check.Equals, true)
// Add and remove
added, removed = entries.Diff(Entries{entry1, entry3})
c.Assert(added, check.HasLen, 1)
c.Assert(added.Contains(entry3), check.Equals, true)
c.Assert(removed, check.HasLen, 1)
c.Assert(removed.Contains(entry2), check.Equals, true)
}