From ff86bab8ba37dbef3ef295666006f0ec0996ba7f Mon Sep 17 00:00:00 2001
From: Erik Winter <ik@erikwinter.nl>
Date: Sun, 22 Aug 2021 16:45:03 +0200
Subject: [PATCH] some tests

---
 internal/process/update.go      |   1 +
 internal/task/localtask_test.go | 102 ++++++++++++++++++++++++++++++++
 2 files changed, 103 insertions(+)

diff --git a/internal/process/update.go b/internal/process/update.go
index 7d7abb8..13e24e6 100644
--- a/internal/process/update.go
+++ b/internal/process/update.go
@@ -38,6 +38,7 @@ func (u *Update) Process() error {
 	if err := u.local.SetLocalUpdate(tsk); err != nil {
 		return fmt.Errorf("%w: %v", ErrUpdateTask, err)
 	}
+	// create a new version and send it away
 	tsk.ApplyUpdate()
 	if err := u.disp.Dispatch(&tsk.Task); err != nil {
 		return fmt.Errorf("%w: %v", ErrUpdateTask, err)
diff --git a/internal/task/localtask_test.go b/internal/task/localtask_test.go
index c609e0f..22cefd3 100644
--- a/internal/task/localtask_test.go
+++ b/internal/task/localtask_test.go
@@ -65,3 +65,105 @@ func TestLocalTaskApply(t *testing.T) {
 		})
 	}
 }
+
+func TestLocalUpdateAdd(t *testing.T) {
+	for _, tc := range []struct {
+		name  string
+		start *task.LocalUpdate
+		add   *task.LocalUpdate
+		exp   *task.LocalUpdate
+	}{
+		{
+			name:  "empty",
+			start: &task.LocalUpdate{},
+			add:   &task.LocalUpdate{},
+			exp:   &task.LocalUpdate{},
+		},
+		{
+			name: "empty add",
+			start: &task.LocalUpdate{
+				ForVersion: 2,
+				Fields:     []string{task.FIELD_ACTION, task.FIELD_PROJECT, task.FIELD_DUE, task.FIELD_RECUR, task.FIELD_DONE},
+				Action:     "action",
+				Project:    "project",
+				Due:        task.NewDate(2021, 8, 22),
+				Recur:      task.NewRecurrer("today, daily"),
+				Done:       true,
+			},
+			add: &task.LocalUpdate{},
+			exp: &task.LocalUpdate{
+				ForVersion: 2,
+				Fields:     []string{task.FIELD_ACTION, task.FIELD_PROJECT, task.FIELD_DUE, task.FIELD_RECUR, task.FIELD_DONE},
+				Action:     "action",
+				Project:    "project",
+				Due:        task.NewDate(2021, 8, 22),
+				Recur:      task.NewRecurrer("today, daily"),
+				Done:       true,
+			},
+		},
+		{
+			name:  "empty start",
+			start: &task.LocalUpdate{},
+			add: &task.LocalUpdate{
+				ForVersion: 2,
+				Fields:     []string{task.FIELD_ACTION, task.FIELD_PROJECT, task.FIELD_PROJECT, task.FIELD_DUE, task.FIELD_RECUR, task.FIELD_DONE},
+				Action:     "action",
+				Project:    "project",
+				Due:        task.NewDate(2021, 8, 22),
+				Recur:      task.NewRecurrer("today, daily"),
+				Done:       true,
+			},
+			exp: &task.LocalUpdate{
+				ForVersion: 2,
+				Fields:     []string{task.FIELD_ACTION, task.FIELD_PROJECT, task.FIELD_DUE, task.FIELD_RECUR, task.FIELD_DONE},
+				Action:     "action",
+				Project:    "project",
+				Due:        task.NewDate(2021, 8, 22),
+				Recur:      task.NewRecurrer("today, daily"),
+				Done:       true,
+			},
+		},
+		{
+			name: "too old",
+			start: &task.LocalUpdate{
+				ForVersion: 3,
+				Fields:     []string{},
+			},
+			add: &task.LocalUpdate{
+				ForVersion: 2,
+				Fields:     []string{task.FIELD_ACTION},
+			},
+			exp: &task.LocalUpdate{
+				ForVersion: 3,
+				Fields:     []string{},
+			},
+		},
+		{
+			name: "adding fields",
+			start: &task.LocalUpdate{
+				ForVersion: 3,
+				Fields:     []string{task.FIELD_ACTION, task.FIELD_PROJECT},
+				Action:     "action-1",
+				Project:    "project-1",
+			},
+			add: &task.LocalUpdate{
+				ForVersion: 3,
+				Fields:     []string{task.FIELD_PROJECT, task.FIELD_DUE},
+				Project:    "project-2",
+				Due:        task.NewDate(2021, 8, 22),
+			},
+			exp: &task.LocalUpdate{
+				ForVersion: 3,
+				Fields:     []string{task.FIELD_ACTION, task.FIELD_PROJECT, task.FIELD_DUE},
+				Action:     "action-1",
+				Project:    "project-2",
+				Due:        task.NewDate(2021, 8, 22),
+			},
+		},
+	} {
+		t.Run(tc.name, func(t *testing.T) {
+			tc.start.Add(tc.add)
+			test.Equals(t, tc.exp, tc.start)
+		})
+	}
+}