testutils

db/sqlite_test.go

@@ -1,63 +1,14 @@
 package db
 
 import (
-	"database/sql"
-	"fmt"
-	"io"
 	"io/ioutil"
 	"mapserver/coords"
 	"os"
 	"testing"
-
+	"mapserver/testutils"
 	_ "github.com/mattn/go-sqlite3"
 )
 
-const emptyBlocksScript = `
-create table blocks (
-  pos int,
-  data blob
-);
-`
-
-const testDatabase = "./testdata/map.sqlite"
-
-func createEmptyDatabase(filename string) {
-	db, err := sql.Open("sqlite3", filename)
-	if err != nil {
-		panic(err)
-	}
-	rows, err := db.Query(emptyBlocksScript)
-	if err != nil {
-		panic(err)
-	}
-	rows.Next()
-	fmt.Println(rows)
-	db.Close()
-}
-
-func copy(src, dst string) error {
-	in, err := os.Open(src)
-	if err != nil {
-		return err
-	}
-	defer in.Close()
-
-	out, err := os.Create(dst)
-	if err != nil {
-		return err
-	}
-	defer out.Close()
-
-	_, err = io.Copy(out, in)
-	if err != nil {
-		return err
-	}
-	return out.Close()
-}
-
-func createTestDatabase(filename string) error {
-	return copy(testDatabase, filename)
-}
 
 func TestMigrateEmpty(t *testing.T) {
 	tmpfile, err := ioutil.TempFile("", "TestMigrateEmpty.*.sqlite")
@@ -66,7 +17,7 @@ func TestMigrateEmpty(t *testing.T) {
 	}
 	defer os.Remove(tmpfile.Name())
 
-	createEmptyDatabase(tmpfile.Name())
+	testutils.CreateEmptyDatabase(tmpfile.Name())
 	a, err := NewSqliteAccessor(tmpfile.Name())
 	if err != nil {
 		panic(err)
@@ -84,7 +35,7 @@ func TestMigrate(t *testing.T) {
 	}
 	defer os.Remove(tmpfile.Name())
 
-	createTestDatabase(tmpfile.Name())
+	testutils.CreateEmptyDatabase(tmpfile.Name())
 	a, err := NewSqliteAccessor(tmpfile.Name())
 	if err != nil {
 		panic(err)
@@ -102,11 +53,12 @@ func TestMigrateAndQuery(t *testing.T) {
 	}
 	defer os.Remove(tmpfile.Name())
 
-	createTestDatabase(tmpfile.Name())
+	testutils.CreateTestDatabase(tmpfile.Name())
 	a, err := NewSqliteAccessor(tmpfile.Name())
 	if err != nil {
 		panic(err)
 	}
+
 	err = a.Migrate()
 	if err != nil {
 		panic(err)

mapblockaccessor/mapblockaccessor_test.go

@@ -1,63 +1,35 @@
 package mapblockaccessor
 
 import (
-	"io"
+	"os"
 	"io/ioutil"
 	"mapserver/coords"
-	"mapserver/db"
-	"os"
 	"testing"
+	"mapserver/testutils"
+	"mapserver/db"
 	"github.com/sirupsen/logrus"
 )
 
-func copy(src, dst string) error {
-	in, err := os.Open(src)
-	if err != nil {
-		return err
-	}
-	defer in.Close()
+func TestSimpleAccess(t *testing.T) {
+	logrus.SetLevel(logrus.DebugLevel)
 
-	out, err := os.Create(dst)
-	if err != nil {
-		return err
-	}
-	defer out.Close()
-
-	_, err = io.Copy(out, in)
-	if err != nil {
-		return err
-	}
-	return out.Close()
-}
-
-const testDatabase = "./testdata/map.sqlite"
-
-func createTestDatabase(filename string) error {
-	return copy(testDatabase, filename)
-}
-
-func GetTestDatabase() db.DBAccessor {
 	tmpfile, err := ioutil.TempFile("", "TestMigrate.*.sqlite")
 	if err != nil {
 		panic(err)
 	}
+	defer os.Remove(tmpfile.Name())
+	testutils.CreateTestDatabase(tmpfile.Name())
 
-	createTestDatabase(tmpfile.Name())
 	a, err := db.NewSqliteAccessor(tmpfile.Name())
 	if err != nil {
 		panic(err)
 	}
+
 	err = a.Migrate()
 	if err != nil {
 		panic(err)
 	}
 
-	return a
-}
-
-func TestSimpleAccess(t *testing.T) {
-	logrus.SetLevel(logrus.DebugLevel)
-	a := GetTestDatabase()
 	cache := NewMapBlockAccessor(a)
 	mb, err := cache.GetMapBlock(coords.NewMapBlockCoords(0, 0, 0))
 

mapblockrenderer/renderer.go

@@ -3,17 +3,18 @@ package mapblockrenderer
 import (
 	"mapserver/colormapping"
 	"mapserver/coords"
+	"mapserver/mapblockaccessor"
 )
 
 type MapBlockRenderer struct {
-	accessor *coords.DBAccessor
+	accessor *mapblockaccessor.MapBlockAccessor
 	colors   *colormapping.ColorMapping
 }
 
-func NewMapBlockRenderer(accessor *coords.DBAccessor, colors *colormapping.ColorMapping) {
-	//TODO
+func NewMapBlockRenderer(accessor *mapblockaccessor.MapBlockAccessor, colors *colormapping.ColorMapping) MapBlockRenderer {
+	return MapBlockRenderer{accessor: accessor, colors: colors}
 }
 
-func (r *MapBlockRenderer) Render(r coords.MapBlockRange) {
+func (r *MapBlockRenderer) Render(pos1, pos2 coords.MapBlockCoords) {
 	//TODO
 }

testutils/database.go

@@ -0,0 +1,60 @@
+package testutils
+
+
+import (
+  "database/sql"
+  _ "github.com/mattn/go-sqlite3"
+	"io"
+  "path/filepath"
+	"os"
+  "fmt"
+  "runtime"
+)
+
+
+const emptyBlocksScript = `
+create table blocks (
+  pos int,
+  data blob
+);
+`
+
+func copy(src, dst string) error {
+	in, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer in.Close()
+
+	out, err := os.Create(dst)
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+
+	_, err = io.Copy(out, in)
+	if err != nil {
+		return err
+	}
+	return out.Close()
+}
+
+func CreateTestDatabase(filename string) error {
+  _, currentfilename, _, _ := runtime.Caller(0)
+	return copy(filepath.Dir(currentfilename) + "/testdata/map.sqlite", filename)
+}
+
+
+func CreateEmptyDatabase(filename string) {
+	db, err := sql.Open("sqlite3", filename)
+	if err != nil {
+		panic(err)
+	}
+	rows, err := db.Query(emptyBlocksScript)
+	if err != nil {
+		panic(err)
+	}
+	rows.Next()
+	fmt.Println(rows)
+	db.Close()
+}