1 files changed, 95 insertions, 0 deletions
diff --git a/bridge/gitlab/event_test.go b/bridge/gitlab/event_test.go
new file mode 100644
index 00000000..860570d1
--- /dev/null
+++ b/bridge/gitlab/event_test.go
@@ -0,0 +1,95 @@
+package gitlab
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetNewTitle(t *testing.T) {
+	type args struct {
+		diff string
+	}
+	type want struct {
+		title string
+	}
+	tests := []struct {
+		name string
+		args args
+		want want
+	}{
+		{
+			name: "addition diff",
+			args: args{
+				diff: "**first issue** to **first issue{+ edited+}**",
+			},
+			want: want{
+				title: "first issue edited",
+			},
+		},
+		{
+			name: "deletion diff",
+			args: args{
+				diff: "**first issue{- edited-}** to **first issue**",
+			},
+			want: want{
+				title: "first issue",
+			},
+		},
+		{
+			name: "mixed diff",
+			args: args{
+				diff: "**first {-issue-}** to **first {+bug+}**",
+			},
+			want: want{
+				title: "first bug",
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			title := getNewTitle(tt.args.diff)
+			assert.Equal(t, tt.want.title, title)
+		})
+	}
+}
+
+var _ Event = mockEvent(0)
+
+type mockEvent int64
+
+func (m mockEvent) ID() string           { panic("implement me") }
+func (m mockEvent) UserID() int          { panic("implement me") }
+func (m mockEvent) Kind() EventKind      { panic("implement me") }
+func (m mockEvent) CreatedAt() time.Time { return time.Unix(int64(m), 0) }
+
+func TestSortedEvents(t *testing.T) {
+	makeInput := func(times ...int64) chan Event {
+		out := make(chan Event)
+		go func() {
+			for _, t := range times {
+				out <- mockEvent(t)
+			}
+			close(out)
+		}()
+		return out
+	}
+
+	sorted := SortedEvents(
+		makeInput(),
+		makeInput(1, 7, 9, 19),
+		makeInput(2, 8, 23),
+		makeInput(35, 48, 59, 64, 721),
+	)
+
+	var previous Event
+	for event := range sorted {
+		if previous != nil {
+			require.True(t, previous.CreatedAt().Before(event.CreatedAt()))
+		}
+		previous = event
+	}
+}