first

goans_test.go

@@ -0,0 +1,5 @@
+package goans
+
+func testBasics() {
+  assert(__ == true) // what is truth?
+}

setup_koans_test.go

@@ -0,0 +1,33 @@
+package goans
+
+import (
+  "testing"
+  "os"
+  "fmt"
+  "runtime"
+  "io/ioutil"
+  "path"
+  "strings"
+)
+
+var __ interface{}
+
+func TestKoans(t *testing.T) {
+  testBasics()
+  fmt.Printf("%c[32m", 27)
+}
+
+func assert(o bool) {
+  if !o {
+    fmt.Printf("%c[31m", 27)
+    fmt.Printf("%s\n\n", __getRecentLine())
+    os.Exit(1)
+  }
+}
+
+func __getRecentLine() string {
+  _, file, line, _ := runtime.Caller(2)
+  buf, _ := ioutil.ReadFile(file)
+  code := strings.TrimSpace(strings.Split(string(buf), "\n")[line-1])
+  return fmt.Sprintf("\n%v:%d\n%s", path.Base(file), line, code)
+}