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) }