Function TestExtractTopics

reader_test.go:722–790

(t *testing.T)

}

func TestExtractTopics(t *testing.T) {
	testCases := map[string]struct {
		Members []GroupMember
		Topics  []string
	}{
		"nil": {},
		"single member, single topic": {
			Members: []GroupMember{
				{
					ID:     "a",
					Topics: []string{"topic"},
				},
			},
			Topics: []string{"topic"},
		},
		"two members, single topic": {
			Members: []GroupMember{
				{
					ID:     "a",
					Topics: []string{"topic"},
				},
				{
					ID:     "b",
					Topics: []string{"topic"},
				},
			},
			Topics: []string{"topic"},
		},
		"two members, two topics": {
			Members: []GroupMember{
				{
					ID:     "a",
					Topics: []string{"topic-1"},
				},
				{
					ID:     "b",
					Topics: []string{"topic-2"},
				},
			},
			Topics: []string{"topic-1", "topic-2"},
		},
		"three members, three shared topics": {
			Members: []GroupMember{
				{
					ID:     "a",
					Topics: []string{"topic-1", "topic-2"},
				},
				{
					ID:     "b",
					Topics: []string{"topic-2", "topic-3"},
				},
				{
					ID:     "c",
					Topics: []string{"topic-3", "topic-1"},
				},
			},
			Topics: []string{"topic-1", "topic-2", "topic-3"},
		},