cleanup: move packages to top level, change vanity URL

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

compiler/compiler_test.go

@@ -0,0 +1,35 @@
+package compiler
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+// Test that a non-existing field is detected correctly
+func TestFieldNotExist(t *testing.T) {
+	c := New()
+	root, err := c.Compile("test.cue", `foo: "bar"`)
+	require.NoError(t, err)
+	require.True(t, root.Lookup("foo").Exists())
+	require.False(t, root.Lookup("bar").Exists())
+}
+
+// Test that a non-existing definition is detected correctly
+func TestDefNotExist(t *testing.T) {
+	c := New()
+	root, err := c.Compile("test.cue", `foo: #bla: "bar"`)
+	require.NoError(t, err)
+	require.True(t, root.Lookup("foo.#bla").Exists())
+	require.False(t, root.Lookup("foo.#nope").Exists())
+}
+
+func TestJSON(t *testing.T) {
+	c := New()
+	v, err := c.Compile("", `foo: hello: "world"`)
+	require.NoError(t, err)
+	require.Equal(t, `{"foo":{"hello":"world"}}`, string(v.JSON()))
+
+	// Reproduce a bug where Value.Lookup().JSON() ignores Lookup()
+	require.Equal(t, `{"hello":"world"}`, string(v.Lookup("foo").JSON()))
+}