1 files changed, 68 insertions, 0 deletions
diff --git a/internal/tracker/tracker_test.go b/internal/tracker/tracker_test.go
new file mode 100644
index 0000000..c116174
--- /dev/null
+++ b/internal/tracker/tracker_test.go
@@ -0,0 +1,68 @@
+package tracker
+
+import (
+	"testing"
+	"time"
+
+	"github.com/spf13/afero"
+)
+
+func TestTracker(t *testing.T) {
+	fs := afero.NewMemMapFs()
+	tracker, err := New(fs)
+	if err != nil {
+		t.Errorf("Must no err, got %v", err)
+	}
+	tid1, err := tracker.Add("activity 1", []string{}, []string{})
+	if err != nil {
+		t.Errorf("Must no err, got %v", err)
+	}
+	if tid1 != 1 {
+		t.Errorf("Expected task id = 1, got %d", tid1)
+	}
+	tid2, err := tracker.Add("activity 2", []string{"tag1", "tag2"}, []string{"context1"})
+	if err != nil {
+		t.Errorf("Must no err, got %v", err)
+	}
+	if tid2 != 2 {
+		t.Errorf("Expected task id = 2, got %d", tid2)
+	}
+	if err = tracker.Start(tid1, "work 1"); err != nil {
+		t.Errorf("Must no err, got %v", err)
+	}
+	list := tracker.List(false)
+	if len(list) != 1 {
+		t.Errorf("List %v expected to be from 1 element", list)
+	}
+	list2 := tracker.List(true)
+	if len(list2) != 2 {
+		t.Errorf("List %v expected to be from 2 elements", list2)
+	}
+	<- time.After(2 * time.Second)
+	if err := tracker.Stop(tid1); err != nil {
+		t.Errorf("Must no err, got %v", err)
+	}
+	list3 := tracker.List(false)
+	if len(list3) != 0 {
+		t.Errorf("List %v expected to be from 0 element", list3)
+	}
+	list4 := tracker.List(true)
+	for _, activity := range list4 {
+		if activity.ID != tid1 {
+			continue
+		}
+		if len(activity.Spans) != 1 {
+			t.Errorf("List %v expected to be from 1 element", activity.Spans)
+		}
+		sp := activity.Spans[0]
+		if sp.Stop == nil {
+			t.Errorf("Span end time must be not empty")
+		}
+		if !sp.Stop.After(sp.Start) {
+			t.Errorf("End span must be after start time")
+		}
+		if int(sp.Stop.Sub(sp.Start).Seconds()) != 2 {
+			t.Errorf("difference between %v and %v must be 2 seconds, got %f", sp.Start, sp.Stop, sp.Stop.Sub(sp.Start).Seconds())
+		}
+	}
+}