cmd/ent: replace entc with ent (#989)

See #981

cmd/ent/ent.go

@@ -0,0 +1,24 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+package main
+
+import (
+	"log"
+
+	"github.com/facebook/ent/cmd/internal/base"
+
+	"github.com/spf13/cobra"
+)
+
+func main() {
+	log.SetFlags(0)
+	cmd := &cobra.Command{Use: "ent"}
+	cmd.AddCommand(
+		base.InitCmd(),
+		base.DescribeCmd(),
+		base.GenerateCmd(),
+	)
+	_ = cmd.Execute()
+}

cmd/ent/ent_test.go

@@ -0,0 +1,35 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+package main
+
+import (
+	"bytes"
+	"os"
+	"os/exec"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestCmd(t *testing.T) {
+	defer os.RemoveAll("ent")
+	cmd := exec.Command("go", "run", "github.com/facebook/ent/cmd/ent", "init", "User")
+	stderr := bytes.NewBuffer(nil)
+	cmd.Stderr = stderr
+	require.NoError(t, cmd.Run(), stderr.String())
+
+	_, err := os.Stat("ent/generate.go")
+	require.NoError(t, err)
+	_, err = os.Stat("ent/schema/user.go")
+	require.NoError(t, err)
+
+	cmd = exec.Command("go", "run", "github.com/facebook/ent/cmd/ent", "generate", "./ent/schema")
+	stderr = bytes.NewBuffer(nil)
+	cmd.Stderr = stderr
+	require.NoError(t, cmd.Run(), stderr.String())
+
+	_, err = os.Stat("ent/user.go")
+	require.NoError(t, err)
+}