Add memory storage

spec/data/planned-dates.json

@@ -1,14 +0,0 @@
-[
-	{
-		"date": "2019-01-01",
-		"hours": 10
-	},
-	{
-		"date": "2019-01-02",
-		"hours": 6
-	},
-	{
-		"date": "2019-01-03",
-		"hours": 4
-	}
-]

spec/data/work-records.json

@@ -1,6 +0,0 @@
-[
-	{
-		"start": "2019-01-01 10:00:00",
-		"finish": "2019-01-01 20:00:00"
-	}
-]

spec/dayoff_spec.cr

@@ -1,15 +1,48 @@
 require "./spec_helper"
 
-describe Dayoff do
-  it "can calc work hours" do
-    app = Dayoff::App.new
-    prof = app.profile("./spec/data")
-    prof.get_planned_hours.should eq 20
+module Dayoff::Test
+  extend self
+
+  def t(day, hour, min = 0)
+    location = Time::Location.load("Europe/Moscow")
+    Time.local(2019, 1, day, hour, min, location: location)
   end
 
-  it "can calc work hours" do
-    app = Dayoff::App.new
-    prof = app.profile("./spec/data")
-    prof.get_work_hours.should eq 10
+  describe Dayoff do
+    it "can calc work hours" do
+      storage = MemoryStorage.new
+      storage.set_work_records [
+        WorkRecord.new(t(1, 10), t(1, 20)),
+      ]
+      prof = Profile.new(storage)
+      prof.get_work_hours.should eq 10
+    end
+
+    it "can write new record" do
+      storage = MemoryStorage.new
+      storage.set_work_records [
+        WorkRecord.new(t(1, 10), t(1, 20)),
+      ]
+      prof = Profile.new(storage)
+      start_time = t(2, 10)
+      prof.start start_time
+      records = storage.get_work_records
+      records.size.should eq 2
+      records.last.finish.should be_nil
+    end
+
+    it "can finish started record" do
+      storage = MemoryStorage.new
+      storage.set_work_records [
+        WorkRecord.new(t(1, 10), t(1, 20)),
+        WorkRecord.new(t(2, 10), nil),
+      ]
+      prof = Profile.new(storage)
+      finish_time = t(2, 20)
+      prof.finish finish_time
+      records = storage.get_work_records
+      records.size.should eq 2
+      records.last.finish_time.should eq finish_time
+    end
   end
 end