added Cron.Jobs() method

tools/cron/job_test.go

@@ -0,0 +1,49 @@
+package cron
+
+import "testing"
+
+func TestJobId(t *testing.T) {
+	expected := "test"
+
+	j := Job{id: expected}
+
+	if j.Id() != expected {
+		t.Fatalf("Expected job with id %q, got %q", expected, j.Id())
+	}
+}
+
+func TestJobExpr(t *testing.T) {
+	expected := "1 2 3 4 5"
+
+	s, err := NewSchedule(expected)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	j := Job{schedule: s}
+
+	if j.Expr() != expected {
+		t.Fatalf("Expected job with cron expression %q, got %q", expected, j.Expr())
+	}
+}
+
+func TestJobRun(t *testing.T) {
+	defer func() {
+		if r := recover(); r != nil {
+			t.Errorf("Shouldn't panic: %v", r)
+		}
+	}()
+
+	calls := ""
+
+	j1 := Job{}
+	j2 := Job{fn: func() { calls += "2" }}
+
+	j1.Run()
+	j2.Run()
+
+	expected := "2"
+	if calls != expected {
+		t.Fatalf("Expected calls %q, got %q", expected, calls)
+	}
+}