Add history

state/history_test.go

@@ -0,0 +1,57 @@
+package state
+
+import (
+	"regexp"
+	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestHistory(t *testing.T) {
+	Convey("Given a game's history", t, func() {
+
+		Convey("You can maintain a history of all actions", func() {
+			s := New(2, 2)
+			s.Flag()
+			s.Mark()
+			s.Clear()
+			s.CursorSectionRight()
+			s.CursorSectionLeft()
+			s.CursorSectionDown()
+			s.CursorSectionUp()
+			s.CursorCellRight()
+			s.CursorCellLeft()
+			s.CursorCellDown()
+			s.CursorCellUp()
+
+			matches, err := regexp.Match(`g\(2,2\)(i\(\d,\d\)[xo]{4}){4}fmcRLDUrldu`, []byte(s.History()))
+
+			So(err, ShouldBeNil)
+			So(matches, ShouldBeTrue)
+		})
+
+		Convey("You can load a game from its saved history", func() {
+			history := "g(2,2)i(0,0)oxoxi(1,0)xoxoi(0,1)ooooi(1,1)xxxxfRmDcLUrldu"
+			s := UnmarshalAll(history)
+
+			Convey("It sets the history", func() {
+				So(s.History(), ShouldEqual, history)
+			})
+
+			Convey("It correctly sets the field sizes", func() {
+				So(s.sectionSize, ShouldEqual, 2)
+				So(s.cellsPerSection, ShouldEqual, 2)
+				So(len(s.cells.cells), ShouldEqual, 16)
+				So(len(s.sections.cells), ShouldEqual, 4)
+			})
+
+			Convey("The cursor should be set to the appropriate coordinates after all movement", func() {
+				So(s.cursor, ShouldResemble, &Point{0, 0})
+			})
+
+			Convey("The board should be appropriately marked and filled", func() {
+				So(s.String(), ShouldEqual, "X.  \n    \no  .\n....\n")
+			})
+		})
+	})
+}