Files
gocqlx/cmd/schemagen/schemagen_test.go
Vladimir Shteinman 1bfe101568 schemagen cli
2021-11-17 09:35:27 +01:00

160 lines
3.4 KiB
Go

package main
import (
"fmt"
"github.com/scylladb/gocqlx/v2/gocqlxtest"
"io"
"os"
"os/exec"
"path"
"strings"
"testing"
)
func TestCamelize(t *testing.T) {
tests := []struct {
input string
want string
}{
{"hello", "Hello"},
{"_hello", "Hello"},
{"__hello", "Hello"},
{"hello_", "Hello"},
{"hello_world", "HelloWorld"},
{"hello__world", "HelloWorld"},
{"_hello_world", "HelloWorld"},
{"helloWorld", "HelloWorld"},
{"HelloWorld", "HelloWorld"},
}
for _, tt := range tests {
t.Run(tt.input, func(t *testing.T) {
if got := camelize(tt.input); got != tt.want {
t.Errorf("camelize() = %v, want %v", got, tt.want)
}
})
}
}
func Test_schemagen_defaultParams(t *testing.T) {
cleanup(t, "models")
defer cleanup(t, "models")
createTestSchema(t)
runSchemagen(t, "", "")
assertResult(t, "models", "models")
}
func Test_schemagen_customParams(t *testing.T) {
cleanup(t, "asdf")
defer cleanup(t, "asdf")
createTestSchema(t)
runSchemagen(t, "qwer", "asdf")
assertResult(t, "qwer", "asdf")
}
func cleanup(t *testing.T, output string) {
err := os.RemoveAll(output)
if err != nil {
t.Fatalf("could not delete %s directory: %v\n", output, err)
}
err = os.Remove("./schemagen")
if err != nil {
t.Fatalf("could not delete binary: %v\n", err)
}
cmd := exec.Command("go", "build")
out, err := cmd.CombinedOutput()
if err != nil {
t.Fatalf("could not build binary for schemagen: %v\nOutput:\n%v\n", err, string(out))
}
}
func createTestSchema(t *testing.T) {
session := gocqlxtest.CreateSession(t)
defer session.Close()
err := session.ExecStmt(`CREATE KEYSPACE IF NOT EXISTS examples WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 1}`)
if err != nil {
t.Fatal("create keyspace:", err)
}
err = session.ExecStmt(`CREATE TABLE IF NOT EXISTS examples.songs (
id uuid PRIMARY KEY,
title text,
album text,
artist text,
tags set<text>,
data blob)`)
if err != nil {
t.Fatal("create table:", err)
}
err = session.ExecStmt(`CREATE TABLE IF NOT EXISTS examples.playlists (
id uuid,
title text,
album text,
artist text,
song_id uuid,
PRIMARY KEY (id, title, album, artist))`)
if err != nil {
t.Fatal("create table:", err)
}
}
func runSchemagen(t *testing.T, pkgname, output string) {
dir, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
args := []string{"-keyspace=examples"}
for _, arg := range os.Args {
if strings.HasPrefix(arg, "-cluster") {
args = append(args, arg)
}
}
if pkgname != "" {
args = append(args, fmt.Sprintf("-pkgname=%s", pkgname))
}
if output != "" {
args = append(args, fmt.Sprintf("-output=%s", output))
}
cmd := exec.Command(path.Join(dir, "schemagen"), args...)
err = cmd.Run()
if err != nil {
t.Fatal(err)
}
}
func assertResult(t *testing.T, pkgname, output string) {
path := fmt.Sprintf("%s/%s.go", output, pkgname)
res, err := os.ReadFile(path)
if err != nil {
t.Fatalf("can't read output file (%s): %s\n", path, err)
}
want := resultWant(t, pkgname)
if string(res) != want {
t.Fatalf("unexpected result: %s\nWanted:\n%s\n", string(res), want)
}
}
func resultWant(t *testing.T, pkgname string) string {
f, err := os.Open("testdata/models.go.txt")
if err != nil {
t.Fatalf("can't open testdata/models.go.txt")
}
defer f.Close()
b, err := io.ReadAll(f)
if err != nil {
t.Fatalf("can't read testdata/models.go.txt")
}
return strings.Replace(string(b), "{{pkgname}}", pkgname, 1)
}