formidable/internal/data/scheme/file/loader_handler_test.go

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2022-05-05 16:22:52 +02:00
package file
import (
"fmt"
"io"
"net/url"
"path/filepath"
"testing"
"github.com/pkg/errors"
)
const dummyFilePath = "testdata/dummy.txt"
var loaderHandlerTestCases []loaderHandlerTestCase
func init() {
dummyFileAbsolutePath, err := filepath.Abs(dummyFilePath)
if err != nil {
panic(errors.WithStack(err))
}
loaderHandlerTestCases = []loaderHandlerTestCase{
{
URL: SchemeFile + "://" + dummyFilePath,
ExpectMatch: true,
ExpectOpenError: false,
ExpectOpenContent: "dummy",
},
{
URL: dummyFilePath,
ExpectMatch: true,
ExpectOpenError: false,
ExpectOpenContent: "dummy",
},
{
URL: dummyFileAbsolutePath,
ExpectMatch: true,
ExpectOpenError: false,
ExpectOpenContent: "dummy",
},
{
URL: SchemeFile + "://" + dummyFileAbsolutePath,
ExpectMatch: true,
ExpectOpenError: false,
ExpectOpenContent: "dummy",
},
}
}
type loaderHandlerTestCase struct {
URL string
ExpectMatch bool
ExpectOpenError bool
ExpectOpenContent string
}
func TestLoaderHandler(t *testing.T) {
t.Parallel()
handler := NewLoaderHandler()
for _, tc := range loaderHandlerTestCases {
func(tc loaderHandlerTestCase) {
t.Run(fmt.Sprintf("Load '%s'", tc.URL), func(t *testing.T) {
t.Parallel()
url, err := url.Parse(tc.URL)
if err != nil {
t.Fatal(errors.Wrapf(err, "could not parse url '%s'", tc.URL))
}
if e, g := tc.ExpectMatch, handler.Match(url); e != g {
t.Errorf("URL '%s': expected matching result '%v', got '%v'", tc.URL, e, g)
}
if !tc.ExpectMatch {
return
}
reader, err := handler.Open(url)
if err != nil && !tc.ExpectOpenError {
t.Fatal(errors.Wrapf(err, "could not open url '%s'", url.String()))
}
defer func() {
if err := reader.Close(); err != nil {
t.Error(errors.WithStack(err))
}
}()
if tc.ExpectOpenError {
t.Fatal(errors.Errorf("no error was returned as expected when opening url '%s'", url.String()))
}
data, err := io.ReadAll(reader)
if err != nil {
t.Fatal(errors.WithStack(err))
}
if e, g := tc.ExpectOpenContent, string(data); e != g {
t.Errorf("URL '%s': expected content'%v', got '%v'", tc.URL, e, g)
}
})
}(tc)
}
}