Added core tests

src/core/Function_test.go

@@ -0,0 +1,20 @@
+package core_test
+
+import (
+	"testing"
+
+	"git.urbach.dev/cli/q/src/build"
+	"git.urbach.dev/cli/q/src/compiler"
+	"git.urbach.dev/go/assert"
+)
+
+func TestFunction(t *testing.T) {
+	b := build.New("../../examples/hello")
+	env, err := compiler.Compile(b)
+	assert.Nil(t, err)
+	main, exists := env.Functions["main.main"]
+	assert.True(t, exists)
+	assert.False(t, main.IsExtern())
+	assert.Equal(t, main.UniqueName, "main.main")
+	assert.Equal(t, main.String(), main.UniqueName)
+}