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package loads
import (
"encoding/json"
"errors"
"os"
"path/filepath"
"testing"
"github.com/go-openapi/swag"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
const optionFixture = "fixtures/json/resources/pathLoaderIssue.json"
func TestOptionsWithDocLoader(t *testing.T) {
document, err := Spec(optionFixture, WithDocLoader(func(pth string) (json.RawMessage, error) {
buf, err := os.ReadFile(pth)
return json.RawMessage(buf), err
}))
require.NoError(t, err)
require.NotNil(t, document)
require.NotNil(t, document.pathLoader)
b, err := document.pathLoader.Load(optionFixture)
require.NoError(t, err)
trimmed, err := trimData(b)
require.NoError(t, err)
assert.EqualValues(t, trimmed, document.Raw())
// a nil loader is a no op
_, err = Spec(optionFixture, WithDocLoader(nil))
require.NoError(t, err)
}
func TestOptionsLoaderFromOptions(t *testing.T) {
var called int
// not chaining here, just replacing with the last one
l := loaderFromOptions([]LoaderOption{
WithDocLoader(func(pth string) (json.RawMessage, error) {
called = 1
buf, err := os.ReadFile(pth)
return json.RawMessage(buf), err
}),
WithDocLoader(func(pth string) (json.RawMessage, error) {
called = 2
buf, err := os.ReadFile(pth)
return json.RawMessage(buf), err
}),
})
require.NotNil(t, l)
b, err := l.Load(optionFixture)
require.NoError(t, err)
require.NotNil(t, b)
require.Equal(t, 2, called)
}
func TestOptionsWithDocLoaderMatches(t *testing.T) {
jsonLoader := NewDocLoaderWithMatch(
func(pth string) (json.RawMessage, error) {
buf, err := os.ReadFile(pth)
return json.RawMessage(buf), err
},
func(pth string) bool {
return filepath.Ext(pth) == ".json"
},
)
document, err := Spec(optionFixture, WithDocLoaderMatches(jsonLoader))
require.NoError(t, err)
require.NotNil(t, document)
require.NotNil(t, document.pathLoader)
yamlLoader := NewDocLoaderWithMatch(
swag.YAMLDoc,
func(pth string) bool {
return filepath.Ext(pth) == ".yaml"
},
)
document, err = Spec(optionFixture, WithDocLoaderMatches(yamlLoader))
require.Error(t, err)
require.Nil(t, document)
// chained loaders, with different ordering
document, err = Spec(optionFixture, WithDocLoaderMatches(yamlLoader, jsonLoader))
require.NoError(t, err)
require.NotNil(t, document)
document, err = Spec(optionFixture, WithDocLoaderMatches(jsonLoader, yamlLoader))
require.NoError(t, err)
require.NotNil(t, document)
// the nil loader is a no op
nilLoader := NewDocLoaderWithMatch(nil, nil)
document, err = Spec(optionFixture, WithDocLoaderMatches(nilLoader, jsonLoader, yamlLoader))
require.NoError(t, err)
require.NotNil(t, document)
// the nil matcher always matches
nilMatcher := NewDocLoaderWithMatch(func(_ string) (json.RawMessage, error) {
return nil, errors.New("test")
}, nil)
_, err = Spec(optionFixture, WithDocLoaderMatches(nilMatcher))
require.Error(t, err)
require.Equal(t, "test", err.Error())
// when a matcher returns an errors, the next one is tried
document, err = Spec(optionFixture, WithDocLoaderMatches(nilMatcher, jsonLoader, yamlLoader))
require.NoError(t, err)
require.NotNil(t, document)
}