init_test.go

/*
 * Copyright (c) 2019, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package main

import (
	"flag"
	"io/ioutil"
	"os"
	"testing"

	"github.com/fnproject/cli/commands"
	"github.com/fnproject/cli/common"
	"github.com/fnproject/cli/langs"
	"github.com/urfave/cli"
	yaml "gopkg.in/yaml.v2"
)

func TestInit(t *testing.T) {

	testname := "test-init"
	testdir, err := ioutil.TempDir("", testname)
	if err != nil {
		t.Fatalf("ERROR: Failed to make tmp test directory: err: %v", err)
	}
	defer os.RemoveAll(testdir)

	err = os.Chdir(testdir)
	if err != nil {
		t.Fatalf("ERROR: Failed to cd to tmp test directory: err: %v", err)
	}

	helper := &langs.GoLangHelper{}
	helper.GenerateBoilerplate(testdir)

	app := newFn()
	err = app.Command("init").Run(cli.NewContext(app, &flag.FlagSet{}, nil))
	if err != nil {
		t.Fatalf("ERROR: Failed run `init` command: err: %v", err)
	}

	ffname := "func.yaml"
	b, err := ioutil.ReadFile(ffname)
	if err != nil {
		t.Fatalf("Could not open %s for parsing. Error: %v", ffname, err)
	}
	ff := &common.FuncFile{}
	err = yaml.Unmarshal(b, ff)
	if err != nil {
		t.Fatalf("Could not parse %s. Error: %v", ffname, err)
	}
	// should have version, runtime and entrypoint
	if ff.Version == "" {
		t.Errorf("No version found in generated %s", ffname)
	}
	if ff.Runtime == "" {
		t.Errorf("No runtime found in generated %s", ffname)
	}
	if ff.Entrypoint == "" {
		t.Errorf("No entrypoint found in generated %s", ffname)
	}
}

func funcNameValidation(name string, t *testing.T) {
	err := commands.ValidateFuncName("fooFunc")
	if err == nil {
		t.Error("Expected validation error for function name")
	}
}

func TestFuncNameWithUpperCase(t *testing.T) {
	funcNameValidation("fooMyFunc", t)
}

func TestFuncNameWithColon(t *testing.T) {
	funcNameValidation("foo:myfunc", t)
}