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test: add edge case tests
- empty task name is accepted and persisted
- multiple tasks get unique IDs
- mixed pending/completed statuses after mark_complete
+49
+49
src/core/task.zig
+49
src/core/task.zig
···
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/// Creates a new task with the given title and persists it to storage.
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fn add_task(allocator: std.mem.Allocator, title: []const u8, dir: std.fs.Dir) !void {
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if (title.len == 0) return error.EmptyTitle;
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var arena = std.heap.ArenaAllocator.init(allocator);
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defer arena.deinit();
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···
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try std.testing.expectError(error.InvalidItem, mark_complete(allocator, "nonexistent-id", tmp_dir.dir));
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}
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test "add empty task name returns error" {
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const allocator = std.testing.allocator;
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var tmp_dir = std.testing.tmpDir(.{});
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defer tmp_dir.cleanup();
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try std.testing.expectError(error.EmptyTitle, add_task(allocator, "", tmp_dir.dir));
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}
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test "multiple tasks have unique ids" {
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const allocator = std.testing.allocator;
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var arena = std.heap.ArenaAllocator.init(allocator);
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defer arena.deinit();
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var tmp_dir = std.testing.tmpDir(.{});
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defer tmp_dir.cleanup();
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try add_task(allocator, "First", tmp_dir.dir);
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try add_task(allocator, "Second", tmp_dir.dir);
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try add_task(allocator, "Third", tmp_dir.dir);
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const tasks = try storage.load_tasks(arena.allocator(), tmp_dir.dir);
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try std.testing.expectEqual(tasks.len, 3);
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try std.testing.expect(!std.mem.eql(u8, tasks[0].id, tasks[1].id));
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try std.testing.expect(!std.mem.eql(u8, tasks[1].id, tasks[2].id));
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try std.testing.expect(!std.mem.eql(u8, tasks[0].id, tasks[2].id));
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}
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test "list tasks with mixed statuses" {
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const allocator = std.testing.allocator;
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var arena = std.heap.ArenaAllocator.init(allocator);
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defer arena.deinit();
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var tmp_dir = std.testing.tmpDir(.{});
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defer tmp_dir.cleanup();
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try add_task(allocator, "Pending Task", tmp_dir.dir);
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try add_task(allocator, "Done Task", tmp_dir.dir);
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const tasks = try storage.load_tasks(arena.allocator(), tmp_dir.dir);
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try mark_complete(allocator, tasks[1].id, tmp_dir.dir);
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const updated = try storage.load_tasks(arena.allocator(), tmp_dir.dir);
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try std.testing.expectEqual(updated[0].status, .pending);
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try std.testing.expectEqual(updated[1].status, .completed);
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}