490 строки
14 KiB
Go
490 строки
14 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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package model
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import (
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"encoding/json"
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"fmt"
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"strings"
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"testing"
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"unicode/utf8"
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"github.com/dyatlov/go-opengraph/opengraph"
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"github.com/dyatlov/go-opengraph/opengraph/types/article"
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"github.com/dyatlov/go-opengraph/opengraph/types/audio"
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"github.com/dyatlov/go-opengraph/opengraph/types/book"
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"github.com/dyatlov/go-opengraph/opengraph/types/image"
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"github.com/dyatlov/go-opengraph/opengraph/types/profile"
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"github.com/dyatlov/go-opengraph/opengraph/types/video"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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const BigText = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus maximus faucibus ex, vitae placerat neque feugiat ac. Nam tempus libero quis pellentesque feugiat. Cras tristique diam vel condimentum viverra. Proin molestie posuere leo. Nam pulvinar, ex quis tristique cursus, turpis ante commodo elit, a dapibus est ipsum id eros. Mauris tortor dolor, posuere ac velit vitae, faucibus viverra fusce."
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func sampleImage(imageName string) *image.Image {
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return &image.Image{
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URL: fmt.Sprintf("http://example.com/%s", imageName),
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SecureURL: fmt.Sprintf("https://example.com/%s", imageName),
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Type: "png",
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Width: 32,
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Height: 32,
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}
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}
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func TestLinkMetadataIsValid(t *testing.T) {
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for _, test := range []struct {
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Name string
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Metadata *LinkMetadata
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Expected bool
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}{
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{
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Name: "should be valid image metadata",
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Metadata: &LinkMetadata{
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URL: "http://example.com",
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Timestamp: 1546300800000,
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Type: LinkMetadataTypeImage,
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Data: &PostImage{},
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},
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Expected: true,
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},
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{
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Name: "should be valid opengraph metadata",
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Metadata: &LinkMetadata{
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URL: "http://example.com",
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Timestamp: 1546300800000,
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Type: LinkMetadataTypeOpengraph,
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Data: &opengraph.OpenGraph{},
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},
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Expected: true,
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},
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{
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Name: "should be valid with no metadata",
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Metadata: &LinkMetadata{
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URL: "http://example.com",
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Timestamp: 1546300800000,
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Type: LinkMetadataTypeNone,
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Data: nil,
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},
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Expected: true,
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},
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{
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Name: "should be invalid because of empty URL",
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Metadata: &LinkMetadata{
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Timestamp: 1546300800000,
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Type: LinkMetadataTypeImage,
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Data: &PostImage{},
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},
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Expected: false,
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},
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{
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Name: "should be invalid because of empty timestamp",
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Metadata: &LinkMetadata{
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URL: "http://example.com",
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Type: LinkMetadataTypeImage,
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Data: &PostImage{},
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},
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Expected: false,
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},
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{
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Name: "should be invalid because of unrounded timestamp",
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Metadata: &LinkMetadata{
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URL: "http://example.com",
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Timestamp: 1546300800001,
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Type: LinkMetadataTypeImage,
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Data: &PostImage{},
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},
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Expected: false,
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},
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{
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Name: "should be invalid because of invalid type",
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Metadata: &LinkMetadata{
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URL: "http://example.com",
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Timestamp: 1546300800000,
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Type: "garbage",
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Data: &PostImage{},
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},
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Expected: false,
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},
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{
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Name: "should be invalid because of empty data",
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Metadata: &LinkMetadata{
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URL: "http://example.com",
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Timestamp: 1546300800000,
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Type: LinkMetadataTypeImage,
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},
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Expected: false,
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},
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{
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Name: "should be invalid because of mismatched data and type, image type and opengraph data",
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Metadata: &LinkMetadata{
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URL: "http://example.com",
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Timestamp: 1546300800000,
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Type: LinkMetadataTypeImage,
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Data: &opengraph.OpenGraph{},
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},
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Expected: false,
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},
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{
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Name: "should be invalid because of mismatched data and type, opengraph type and image data",
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Metadata: &LinkMetadata{
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URL: "http://example.com",
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Timestamp: 1546300800000,
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Type: LinkMetadataTypeOpengraph,
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Data: &PostImage{},
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},
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Expected: false,
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},
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{
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Name: "should be invalid because of mismatched data and type, image type and random data",
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Metadata: &LinkMetadata{
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URL: "http://example.com",
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Timestamp: 1546300800000,
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Type: LinkMetadataTypeOpengraph,
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Data: &Channel{},
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},
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Expected: false,
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},
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{
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Name: "should be invalid because of URL length being too long",
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Metadata: &LinkMetadata{
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URL: "http://example.com/?" + strings.Repeat("a", 2048),
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Timestamp: 1546300800000,
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Type: LinkMetadataTypeImage,
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Data: &PostImage{},
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},
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Expected: false,
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},
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} {
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t.Run(test.Name, func(t *testing.T) {
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appErr := test.Metadata.IsValid()
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if test.Expected {
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assert.Nil(t, appErr)
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} else {
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assert.NotNil(t, appErr)
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}
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})
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}
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}
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func TestLinkMetadataDeserializeDataToConcreteType(t *testing.T) {
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t.Run("should convert []byte to PostImage", func(t *testing.T) {
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image := &PostImage{
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Height: 400,
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Width: 500,
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}
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js, err := json.Marshal(image)
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assert.NoError(t, err)
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metadata := &LinkMetadata{
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Type: LinkMetadataTypeImage,
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Data: js,
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}
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require.IsType(t, []byte{}, metadata.Data)
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err = metadata.DeserializeDataToConcreteType()
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assert.NoError(t, err)
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assert.IsType(t, &PostImage{}, metadata.Data)
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assert.Equal(t, *image, *metadata.Data.(*PostImage))
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})
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t.Run("should convert string to OpenGraph", func(t *testing.T) {
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og := &opengraph.OpenGraph{
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URL: "http://example.com",
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Description: "Hello, world!",
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Images: []*image.Image{
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{
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URL: "http://example.com/image.png",
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},
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},
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}
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b, err := json.Marshal(og)
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require.NoError(t, err)
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metadata := &LinkMetadata{
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Type: LinkMetadataTypeOpengraph,
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Data: b,
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}
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require.IsType(t, []byte{}, metadata.Data)
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err = metadata.DeserializeDataToConcreteType()
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assert.NoError(t, err)
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assert.IsType(t, &opengraph.OpenGraph{}, metadata.Data)
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assert.Equal(t, *og, *metadata.Data.(*opengraph.OpenGraph))
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})
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t.Run("should ignore data of the correct type", func(t *testing.T) {
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metadata := &LinkMetadata{
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Type: LinkMetadataTypeOpengraph,
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Data: 1234,
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}
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err := metadata.DeserializeDataToConcreteType()
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assert.NoError(t, err)
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})
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t.Run("should ignore an invalid type", func(t *testing.T) {
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metadata := &LinkMetadata{
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Type: "garbage",
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Data: "garbage",
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}
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err := metadata.DeserializeDataToConcreteType()
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assert.NoError(t, err)
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})
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t.Run("should return error for invalid data", func(t *testing.T) {
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metadata := &LinkMetadata{
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Type: LinkMetadataTypeImage,
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Data: "garbage",
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}
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err := metadata.DeserializeDataToConcreteType()
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assert.Error(t, err)
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})
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}
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func TestFloorToNearestHour(t *testing.T) {
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assert.True(t, isRoundedToNearestHour(FloorToNearestHour(1546346096000)))
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}
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func TestTruncateText(t *testing.T) {
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t.Run("Shouldn't affect strings smaller than 300 characters", func(t *testing.T) {
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assert.Equal(t, utf8.RuneCountInString(truncateText("abc")), 3, "should be 3")
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})
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t.Run("Shouldn't affect empty strings", func(t *testing.T) {
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assert.Equal(t, utf8.RuneCountInString(truncateText("")), 0, "should be empty")
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})
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t.Run("Truncates string to 300 + 5", func(t *testing.T) {
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assert.Equal(t, utf8.RuneCountInString(truncateText(BigText)), 305, "should be 300 chars + 5")
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})
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t.Run("Truncated text ends in ellipsis", func(t *testing.T) {
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assert.True(t, strings.HasSuffix(truncateText(BigText), "[...]"))
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})
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}
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func TestFirstNImages(t *testing.T) {
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t.Run("when empty, return an empty one", func(t *testing.T) {
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empty := make([]*image.Image, 0)
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assert.Exactly(t, firstNImages(empty, 1), empty, "Should be the same element")
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})
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t.Run("when it contains one element, return the same array", func(t *testing.T) {
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one := []*image.Image{sampleImage("image.png")}
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assert.Exactly(t, firstNImages(one, 1), one, "Should be the same element")
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})
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t.Run("when it contains more than one element and asking for only one, return the first one", func(t *testing.T) {
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two := []*image.Image{sampleImage("image.png"), sampleImage("notme.png")}
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assert.True(t, strings.HasSuffix(firstNImages(two, 1)[0].URL, "image.png"), "Should be the image element")
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})
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t.Run("when it contains less than asked, return the original", func(t *testing.T) {
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two := []*image.Image{sampleImage("image.png"), sampleImage("notme.png")}
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assert.Equal(t, two, firstNImages(two, 10), "should be the same pointer")
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})
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t.Run("asking for negative images", func(t *testing.T) {
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six := []*image.Image{
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sampleImage("image.png"),
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sampleImage("another.png"),
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sampleImage("yetanother.jpg"),
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sampleImage("metoo.gif"),
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sampleImage("fifth.ico"),
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sampleImage("notme.tiff"),
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}
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assert.Len(t, firstNImages(six, -10), LinkMetadataMaxImages, "On negative, go for defaults")
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})
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}
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func TestTruncateOpenGraph(t *testing.T) {
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og := opengraph.OpenGraph{
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Type: "something",
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URL: "http://myawesomesite.com",
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Title: BigText,
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Description: BigText,
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Determiner: BigText,
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SiteName: BigText,
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Locale: "[EN-en]",
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LocalesAlternate: []string{"[EN-ca]", "[ES-es]"},
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Images: []*image.Image{
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sampleImage("image.png"),
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sampleImage("another.png"),
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sampleImage("yetanother.jpg"),
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sampleImage("metoo.gif"),
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sampleImage("fifth.ico"),
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sampleImage("notme.tiff")},
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Audios: []*audio.Audio{{}},
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Videos: []*video.Video{{}},
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Article: &article.Article{},
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Book: &book.Book{},
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Profile: &profile.Profile{},
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}
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result := TruncateOpenGraph(&og)
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assert.Nil(t, result.Article, "No article stored")
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assert.Nil(t, result.Book, "No book stored")
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assert.Nil(t, result.Profile, "No profile stored")
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assert.Len(t, result.Images, 5, "Only the first 5 images")
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assert.Empty(t, result.Audios, "No audios stored")
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assert.Empty(t, result.Videos, "No videos stored")
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assert.Empty(t, result.LocalesAlternate, "No alternate locales stored")
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assert.Equal(t, result.Determiner, "", "No determiner stored")
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assert.Equal(t, utf8.RuneCountInString(result.Title), 305, "Title text is truncated")
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assert.Equal(t, utf8.RuneCountInString(result.Description), 305, "Description text is truncated")
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assert.Equal(t, utf8.RuneCountInString(result.SiteName), 305, "SiteName text is truncated")
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}
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func TestTruncateOpenGraphFiltersSVGImages(t *testing.T) {
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og := opengraph.OpenGraph{
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Type: "website",
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URL: "http://example.com",
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Title: "Test",
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Images: []*image.Image{
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sampleImage("image.png"),
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sampleImage("icon.svg"),
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sampleImage("photo.jpg"),
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sampleImage("compressed.svgz"),
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},
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}
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result := TruncateOpenGraph(&og)
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assert.Len(t, result.Images, 2, "SVG images should be filtered out")
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assert.Equal(t, "http://example.com/image.png", result.Images[0].URL)
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assert.Equal(t, "http://example.com/photo.jpg", result.Images[1].URL)
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}
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func TestIsSVGImageURL(t *testing.T) {
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testCases := []struct {
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name string
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url string
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expected bool
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}{
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{
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name: "empty URL",
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url: "",
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expected: false,
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},
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{
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name: "PNG image",
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url: "https://example.com/image.png",
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expected: false,
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},
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{
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name: "JPEG image",
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url: "https://example.com/image.jpg",
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expected: false,
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},
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{
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name: "SVG image lowercase",
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url: "https://example.com/image.svg",
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expected: true,
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},
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{
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name: "SVG image uppercase",
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url: "https://example.com/image.SVG",
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expected: true,
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},
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{
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name: "SVGZ compressed SVG",
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url: "https://example.com/image.svgz",
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expected: true,
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},
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{
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name: "SVG with query parameters",
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url: "https://example.com/image.svg?v=123",
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expected: true,
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},
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{
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name: "path containing svg but not extension",
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url: "https://example.com/svg/image.png",
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expected: false,
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},
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{
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name: "invalid URL",
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url: "://invalid",
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expected: false,
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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result := IsSVGImageURL(tc.url)
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assert.Equal(t, tc.expected, result)
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})
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}
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}
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func TestFilterSVGImages(t *testing.T) {
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t.Run("empty slice", func(t *testing.T) {
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result := FilterSVGImages([]*image.Image{})
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assert.Empty(t, result)
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})
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t.Run("filter SVG by URL", func(t *testing.T) {
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images := []*image.Image{
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sampleImage("image.png"),
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sampleImage("icon.svg"),
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sampleImage("photo.jpg"),
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}
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result := FilterSVGImages(images)
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assert.Len(t, result, 2)
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assert.Equal(t, "http://example.com/image.png", result[0].URL)
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assert.Equal(t, "http://example.com/photo.jpg", result[1].URL)
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})
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t.Run("filter SVG by SecureURL", func(t *testing.T) {
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images := []*image.Image{
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{SecureURL: "https://example.com/banner.png"},
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{SecureURL: "https://example.com/icon.svg"},
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}
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result := FilterSVGImages(images)
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assert.Len(t, result, 1)
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assert.Equal(t, "https://example.com/banner.png", result[0].SecureURL)
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})
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t.Run("filter SVG by MIME type", func(t *testing.T) {
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images := []*image.Image{
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{URL: "https://example.com/image.png", Type: "image/png"},
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{URL: "https://example.com/image", Type: "image/svg+xml"},
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}
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result := FilterSVGImages(images)
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assert.Len(t, result, 1)
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assert.Equal(t, "https://example.com/image.png", result[0].URL)
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})
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t.Run("filter SVG by MIME type with charset", func(t *testing.T) {
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images := []*image.Image{
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{URL: "https://example.com/image", Type: "image/svg+xml; charset=utf-8"},
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}
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result := FilterSVGImages(images)
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assert.Len(t, result, 0)
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})
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t.Run("filter SVGZ", func(t *testing.T) {
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images := []*image.Image{
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sampleImage("image.png"),
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sampleImage("compressed.svgz"),
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}
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result := FilterSVGImages(images)
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assert.Len(t, result, 1)
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assert.Equal(t, "http://example.com/image.png", result[0].URL)
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})
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t.Run("skip nil images", func(t *testing.T) {
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images := []*image.Image{
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sampleImage("image.png"),
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nil,
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sampleImage("photo.jpg"),
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}
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result := FilterSVGImages(images)
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assert.Len(t, result, 2)
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})
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}
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