135 lines
4 KiB
Go
135 lines
4 KiB
Go
package discovery // import "github.com/docker/docker/pkg/discovery"
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import (
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"testing"
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"github.com/docker/docker/internal/test/suite"
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"gotest.tools/assert"
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)
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// Hook up gocheck into the "go test" runner.
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func Test(t *testing.T) {
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suite.Run(t, &DiscoverySuite{})
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}
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type DiscoverySuite struct{}
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func (s *DiscoverySuite) TestNewEntry(c *testing.T) {
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entry, err := NewEntry("127.0.0.1:2375")
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assert.Assert(c, err == nil)
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assert.Equal(c, entry.Equals(&Entry{Host: "127.0.0.1", Port: "2375"}), true)
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assert.Equal(c, entry.String(), "127.0.0.1:2375")
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entry, err = NewEntry("[2001:db8:0:f101::2]:2375")
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assert.Assert(c, err == nil)
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assert.Equal(c, entry.Equals(&Entry{Host: "2001:db8:0:f101::2", Port: "2375"}), true)
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assert.Equal(c, entry.String(), "[2001:db8:0:f101::2]:2375")
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_, err = NewEntry("127.0.0.1")
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assert.Assert(c, err != nil)
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}
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func (s *DiscoverySuite) TestParse(c *testing.T) {
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scheme, uri := parse("127.0.0.1:2375")
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assert.Equal(c, scheme, "nodes")
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assert.Equal(c, uri, "127.0.0.1:2375")
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scheme, uri = parse("localhost:2375")
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assert.Equal(c, scheme, "nodes")
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assert.Equal(c, uri, "localhost:2375")
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scheme, uri = parse("scheme://127.0.0.1:2375")
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assert.Equal(c, scheme, "scheme")
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assert.Equal(c, uri, "127.0.0.1:2375")
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scheme, uri = parse("scheme://localhost:2375")
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assert.Equal(c, scheme, "scheme")
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assert.Equal(c, uri, "localhost:2375")
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scheme, uri = parse("")
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assert.Equal(c, scheme, "nodes")
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assert.Equal(c, uri, "")
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}
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func (s *DiscoverySuite) TestCreateEntries(c *testing.T) {
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entries, err := CreateEntries(nil)
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assert.DeepEqual(c, entries, Entries{})
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assert.Assert(c, err == nil)
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entries, err = CreateEntries([]string{"127.0.0.1:2375", "127.0.0.2:2375", "[2001:db8:0:f101::2]:2375", ""})
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assert.Assert(c, err == nil)
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expected := Entries{
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&Entry{Host: "127.0.0.1", Port: "2375"},
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&Entry{Host: "127.0.0.2", Port: "2375"},
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&Entry{Host: "2001:db8:0:f101::2", Port: "2375"},
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}
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assert.Equal(c, entries.Equals(expected), true)
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_, err = CreateEntries([]string{"127.0.0.1", "127.0.0.2"})
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assert.Assert(c, err != nil)
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}
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func (s *DiscoverySuite) TestContainsEntry(c *testing.T) {
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entries, err := CreateEntries([]string{"127.0.0.1:2375", "127.0.0.2:2375", ""})
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assert.Assert(c, err == nil)
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assert.Equal(c, entries.Contains(&Entry{Host: "127.0.0.1", Port: "2375"}), true)
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assert.Equal(c, entries.Contains(&Entry{Host: "127.0.0.3", Port: "2375"}), false)
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}
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func (s *DiscoverySuite) TestEntriesEquality(c *testing.T) {
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entries := Entries{
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&Entry{Host: "127.0.0.1", Port: "2375"},
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&Entry{Host: "127.0.0.2", Port: "2375"},
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}
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// Same
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assert.Assert(c, entries.Equals(Entries{
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&Entry{Host: "127.0.0.1", Port: "2375"},
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&Entry{Host: "127.0.0.2", Port: "2375"},
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}))
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// Different size
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assert.Assert(c, !entries.Equals(Entries{
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&Entry{Host: "127.0.0.1", Port: "2375"},
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&Entry{Host: "127.0.0.2", Port: "2375"},
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&Entry{Host: "127.0.0.3", Port: "2375"},
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}))
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// Different content
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assert.Assert(c, !entries.Equals(Entries{
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&Entry{Host: "127.0.0.1", Port: "2375"},
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&Entry{Host: "127.0.0.42", Port: "2375"},
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}))
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}
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func (s *DiscoverySuite) TestEntriesDiff(c *testing.T) {
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entry1 := &Entry{Host: "1.1.1.1", Port: "1111"}
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entry2 := &Entry{Host: "2.2.2.2", Port: "2222"}
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entry3 := &Entry{Host: "3.3.3.3", Port: "3333"}
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entries := Entries{entry1, entry2}
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// No diff
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added, removed := entries.Diff(Entries{entry2, entry1})
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assert.Equal(c, len(added), 0)
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assert.Equal(c, len(removed), 0)
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// Add
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added, removed = entries.Diff(Entries{entry2, entry3, entry1})
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assert.Equal(c, len(added), 1)
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assert.Equal(c, added.Contains(entry3), true)
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assert.Equal(c, len(removed), 0)
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// Remove
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added, removed = entries.Diff(Entries{entry2})
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assert.Equal(c, len(added), 0)
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assert.Equal(c, len(removed), 1)
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assert.Equal(c, removed.Contains(entry1), true)
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// Add and remove
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added, removed = entries.Diff(Entries{entry1, entry3})
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assert.Equal(c, len(added), 1)
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assert.Equal(c, added.Contains(entry3), true)
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assert.Equal(c, len(removed), 1)
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assert.Equal(c, removed.Contains(entry2), true)
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}
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