| package discovery // import "github.com/docker/docker/pkg/discovery" |
| |
| import ( |
| "testing" |
| |
| "github.com/docker/docker/internal/test/suite" |
| "gotest.tools/v3/assert" |
| ) |
| |
| // Hook up gocheck into the "go test" runner. |
| func Test(t *testing.T) { |
| suite.Run(t, &DiscoverySuite{}) |
| } |
| |
| type DiscoverySuite struct{} |
| |
| func (s *DiscoverySuite) TestNewEntry(c *testing.T) { |
| entry, err := NewEntry("127.0.0.1:2375") |
| assert.Assert(c, err == nil) |
| assert.Equal(c, entry.Equals(&Entry{Host: "127.0.0.1", Port: "2375"}), true) |
| assert.Equal(c, entry.String(), "127.0.0.1:2375") |
| |
| entry, err = NewEntry("[2001:db8:0:f101::2]:2375") |
| assert.Assert(c, err == nil) |
| assert.Equal(c, entry.Equals(&Entry{Host: "2001:db8:0:f101::2", Port: "2375"}), true) |
| assert.Equal(c, entry.String(), "[2001:db8:0:f101::2]:2375") |
| |
| _, err = NewEntry("127.0.0.1") |
| assert.Assert(c, err != nil) |
| } |
| |
| func (s *DiscoverySuite) TestParse(c *testing.T) { |
| scheme, uri := parse("127.0.0.1:2375") |
| assert.Equal(c, scheme, "nodes") |
| assert.Equal(c, uri, "127.0.0.1:2375") |
| |
| scheme, uri = parse("localhost:2375") |
| assert.Equal(c, scheme, "nodes") |
| assert.Equal(c, uri, "localhost:2375") |
| |
| scheme, uri = parse("scheme://127.0.0.1:2375") |
| assert.Equal(c, scheme, "scheme") |
| assert.Equal(c, uri, "127.0.0.1:2375") |
| |
| scheme, uri = parse("scheme://localhost:2375") |
| assert.Equal(c, scheme, "scheme") |
| assert.Equal(c, uri, "localhost:2375") |
| |
| scheme, uri = parse("") |
| assert.Equal(c, scheme, "nodes") |
| assert.Equal(c, uri, "") |
| } |
| |
| func (s *DiscoverySuite) TestCreateEntries(c *testing.T) { |
| entries, err := CreateEntries(nil) |
| assert.DeepEqual(c, entries, Entries{}) |
| assert.Assert(c, err == nil) |
| |
| entries, err = CreateEntries([]string{"127.0.0.1:2375", "127.0.0.2:2375", "[2001:db8:0:f101::2]:2375", ""}) |
| assert.Assert(c, err == nil) |
| 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"}, |
| } |
| assert.Equal(c, entries.Equals(expected), true) |
| |
| _, err = CreateEntries([]string{"127.0.0.1", "127.0.0.2"}) |
| assert.Assert(c, err != nil) |
| } |
| |
| func (s *DiscoverySuite) TestContainsEntry(c *testing.T) { |
| entries, err := CreateEntries([]string{"127.0.0.1:2375", "127.0.0.2:2375", ""}) |
| assert.Assert(c, err == nil) |
| assert.Equal(c, entries.Contains(&Entry{Host: "127.0.0.1", Port: "2375"}), true) |
| assert.Equal(c, entries.Contains(&Entry{Host: "127.0.0.3", Port: "2375"}), false) |
| } |
| |
| func (s *DiscoverySuite) TestEntriesEquality(c *testing.T) { |
| entries := Entries{ |
| &Entry{Host: "127.0.0.1", Port: "2375"}, |
| &Entry{Host: "127.0.0.2", Port: "2375"}, |
| } |
| |
| // Same |
| assert.Assert(c, entries.Equals(Entries{ |
| &Entry{Host: "127.0.0.1", Port: "2375"}, |
| &Entry{Host: "127.0.0.2", Port: "2375"}, |
| })) |
| |
| // Different size |
| assert.Assert(c, !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"}, |
| })) |
| |
| // Different content |
| assert.Assert(c, !entries.Equals(Entries{ |
| &Entry{Host: "127.0.0.1", Port: "2375"}, |
| &Entry{Host: "127.0.0.42", Port: "2375"}, |
| })) |
| |
| } |
| |
| func (s *DiscoverySuite) TestEntriesDiff(c *testing.T) { |
| 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}) |
| assert.Equal(c, len(added), 0) |
| assert.Equal(c, len(removed), 0) |
| |
| // Add |
| added, removed = entries.Diff(Entries{entry2, entry3, entry1}) |
| assert.Equal(c, len(added), 1) |
| assert.Equal(c, added.Contains(entry3), true) |
| assert.Equal(c, len(removed), 0) |
| |
| // Remove |
| added, removed = entries.Diff(Entries{entry2}) |
| assert.Equal(c, len(added), 0) |
| assert.Equal(c, len(removed), 1) |
| assert.Equal(c, removed.Contains(entry1), true) |
| |
| // Add and remove |
| added, removed = entries.Diff(Entries{entry1, entry3}) |
| assert.Equal(c, len(added), 1) |
| assert.Equal(c, added.Contains(entry3), true) |
| assert.Equal(c, len(removed), 1) |
| assert.Equal(c, removed.Contains(entry2), true) |
| } |