mirror of
https://github.com/restic/restic.git
synced 2024-12-23 00:07:25 +00:00
340 lines
8.9 KiB
Go
340 lines
8.9 KiB
Go
// Copyright 2016 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package translate
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import (
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"net/url"
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"os"
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"strings"
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"sync"
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"testing"
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"cloud.google.com/go/internal/testutil"
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"golang.org/x/net/context"
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"golang.org/x/text/language"
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"google.golang.org/api/option"
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)
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var (
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once sync.Once
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authOpt option.ClientOption
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)
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func initTest(ctx context.Context, t *testing.T) *Client {
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if testing.Short() {
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t.Skip("integration tests skipped in short mode")
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}
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once.Do(func() { authOpt = authOption() })
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if authOpt == nil {
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t.Skip("Integration tests skipped. See CONTRIBUTING.md for details")
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}
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client, err := NewClient(ctx, authOpt)
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if err != nil {
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t.Fatalf("NewClient: %v", err)
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}
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return client
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}
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func authOption() option.ClientOption {
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ts := testutil.TokenSource(context.Background(), Scope)
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if ts != nil {
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log.Println("authenticating via OAuth2")
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return option.WithTokenSource(ts)
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}
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apiKey := os.Getenv("GCLOUD_TESTS_API_KEY")
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if apiKey != "" {
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log.Println("authenticating with API key")
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return option.WithAPIKey(apiKey)
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}
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return nil
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}
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type fakeTransport struct {
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req *http.Request
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}
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func (t *fakeTransport) RoundTrip(req *http.Request) (*http.Response, error) {
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t.req = req
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return &http.Response{
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Status: fmt.Sprintf("%d OK", http.StatusOK),
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StatusCode: http.StatusOK,
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Body: ioutil.NopCloser(strings.NewReader("{}")),
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}, nil
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}
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func TestTranslateURL(t *testing.T) {
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// The translate API has all inputs in the URL.
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// Make sure we generate the right one.
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ctx := context.Background()
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ft := &fakeTransport{}
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c, err := NewClient(ctx, option.WithHTTPClient(&http.Client{Transport: ft}))
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if err != nil {
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t.Fatal(err)
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}
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for _, test := range []struct {
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target language.Tag
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inputs []string
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opts *Options
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want url.Values
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}{
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{language.Spanish, []string{"text"}, nil, url.Values{
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"q": []string{"text"},
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"target": []string{"es"},
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}},
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{language.English, []string{"text"}, &Options{}, url.Values{
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"q": []string{"text"},
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"target": []string{"en"},
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}},
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{language.Turkish, []string{"t1", "t2"}, nil, url.Values{
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"q": []string{"t1", "t2"},
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"target": []string{"tr"},
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}},
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{language.English, []string{"text"}, &Options{Source: language.French},
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url.Values{
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"q": []string{"text"},
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"source": []string{"fr"},
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"target": []string{"en"},
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},
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},
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{language.English, []string{"text"}, &Options{Source: language.French, Format: HTML}, url.Values{
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"q": []string{"text"},
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"source": []string{"fr"},
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"format": []string{"html"},
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"target": []string{"en"},
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}},
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} {
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_, err = c.Translate(ctx, test.inputs, test.target, test.opts)
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if err != nil {
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t.Fatal(err)
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}
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got := ft.req.URL.Query()
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test.want.Add("alt", "json")
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if !testutil.Equal(got, test.want) {
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t.Errorf("Translate(%s, %v, %+v):\ngot %s\nwant %s",
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test.target, test.inputs, test.opts, got, test.want)
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}
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}
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}
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func TestTranslateOneInput(t *testing.T) {
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ctx := context.Background()
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c := initTest(ctx, t)
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defer c.Close()
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translate := func(input string, target language.Tag, opts *Options) Translation {
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ts, err := c.Translate(ctx, []string{input}, target, opts)
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if err != nil {
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t.Fatal(err)
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}
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if len(ts) != 1 {
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t.Fatalf("wanted one Translation, got %d", len(ts))
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}
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return ts[0]
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}
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for _, test := range []struct {
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input string
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source language.Tag
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output string
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target language.Tag
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}{
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// https://www.youtube.com/watch?v=x1sQkEfAdfY
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{"Le singe est sur la branche", language.French,
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"The monkey is on the branch", language.English},
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{"The cat is on the chair", language.English,
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"Le chat est sur la chaise", language.French},
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} {
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// Provide source and format.
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tr := translate(test.input, test.target, &Options{Source: test.source, Format: Text})
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if got, want := tr.Source, language.Und; got != want {
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t.Errorf("source: got %q, wanted %q", got, want)
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continue
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}
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if got, want := tr.Text, test.output; got != want {
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t.Errorf("text: got %q, want %q", got, want)
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}
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// Omit source; it should be detected.
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tr = translate(test.input, test.target, &Options{Format: Text})
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if got, want := tr.Source, test.source; got != want {
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t.Errorf("source: got %q, wanted %q", got, want)
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continue
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}
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if got, want := tr.Text, test.output; got != want {
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t.Errorf("text: got %q, want %q", got, want)
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}
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// Omit format. Defaults to HTML. Still works with plain text.
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tr = translate(test.input, test.target, nil)
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if got, want := tr.Source, test.source; got != want {
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t.Errorf("source: got %q, wanted %q", got, want)
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continue
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}
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if got, want := tr.Text, test.output; got != want {
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t.Errorf("text: got %q, want %q", got, want)
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}
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// Add HTML tags to input. They should be in output.
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htmlify := func(s string) string {
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return "<b><i>" + s + "</i></b>"
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}
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tr = translate(htmlify(test.input), test.target, nil)
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if got, want := tr.Text, htmlify(test.output); got != want {
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t.Errorf("html: got %q, want %q", got, want)
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}
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// Using the HTML format behaves the same.
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tr = translate(htmlify(test.input), test.target, &Options{Format: HTML})
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if got, want := tr.Text, htmlify(test.output); got != want {
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t.Errorf("html: got %q, want %q", got, want)
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}
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}
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}
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// This tests the beta "nmt" model.
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func TestTranslateModel(t *testing.T) {
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ctx := context.Background()
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c := initTest(ctx, t)
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defer c.Close()
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trs, err := c.Translate(ctx, []string{"Hello"}, language.French, &Options{Model: "nmt"})
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if err != nil {
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t.Fatal(err)
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}
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if len(trs) != 1 {
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t.Fatalf("wanted one Translation, got %d", len(trs))
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}
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tr := trs[0]
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if got, want := tr.Text, "Bonjour"; got != want {
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t.Errorf("text: got %q, want %q", got, want)
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}
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if got, want := tr.Model, "nmt"; got != want {
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t.Errorf("model: got %q, want %q", got, want)
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}
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}
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func TestTranslateMultipleInputs(t *testing.T) {
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ctx := context.Background()
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c := initTest(ctx, t)
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defer c.Close()
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inputs := []string{
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"When you're a Jet, you're a Jet all the way",
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"From your first cigarette to your last dying day",
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"When you're a Jet if the spit hits the fan",
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"You got brothers around, you're a family man",
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}
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ts, err := c.Translate(ctx, inputs, language.French, nil)
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if err != nil {
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t.Fatal(err)
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}
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if got, want := len(ts), len(inputs); got != want {
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t.Fatalf("got %d Translations, wanted %d", got, want)
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}
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}
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func TestTranslateErrors(t *testing.T) {
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ctx := context.Background()
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c := initTest(ctx, t)
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defer c.Close()
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for _, test := range []struct {
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ctx context.Context
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target language.Tag
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inputs []string
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opts *Options
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}{
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{ctx, language.English, nil, nil},
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{ctx, language.Und, []string{"input"}, nil},
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{ctx, language.English, []string{}, nil},
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{ctx, language.English, []string{"input"}, &Options{Format: "random"}},
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} {
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_, err := c.Translate(test.ctx, test.inputs, test.target, test.opts)
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if err == nil {
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t.Errorf("%+v: got nil, want error", test)
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}
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}
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}
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func TestDetectLanguage(t *testing.T) {
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ctx := context.Background()
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c := initTest(ctx, t)
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defer c.Close()
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ds, err := c.DetectLanguage(ctx, []string{
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"Today is Monday",
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"Aujourd'hui est lundi",
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})
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if err != nil {
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t.Fatal(err)
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}
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if len(ds) != 2 {
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t.Fatalf("got %d detection lists, want 2", len(ds))
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}
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checkDetections(t, ds[0], language.English)
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checkDetections(t, ds[1], language.French)
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}
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func checkDetections(t *testing.T, ds []Detection, want language.Tag) {
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for _, d := range ds {
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if d.Language == want {
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return
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}
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}
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t.Errorf("%v: missing %s", ds, want)
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}
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// A small subset of the supported languages.
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var supportedLangs = []Language{
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{Name: "Danish", Tag: language.Danish},
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{Name: "English", Tag: language.English},
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{Name: "French", Tag: language.French},
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{Name: "German", Tag: language.German},
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{Name: "Greek", Tag: language.Greek},
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{Name: "Hindi", Tag: language.Hindi},
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{Name: "Hungarian", Tag: language.Hungarian},
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{Name: "Italian", Tag: language.Italian},
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{Name: "Russian", Tag: language.Russian},
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{Name: "Turkish", Tag: language.Turkish},
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}
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func TestSupportedLanguages(t *testing.T) {
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ctx := context.Background()
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c := initTest(ctx, t)
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defer c.Close()
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got, err := c.SupportedLanguages(ctx, language.English)
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if err != nil {
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t.Fatal(err)
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}
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want := map[language.Tag]Language{}
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for _, sl := range supportedLangs {
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want[sl.Tag] = sl
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}
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for _, g := range got {
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w, ok := want[g.Tag]
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if !ok {
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continue
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}
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if g != w {
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t.Errorf("got %+v, want %+v", g, w)
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}
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delete(want, g.Tag)
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}
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if len(want) > 0 {
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t.Errorf("missing: %+v", want)
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}
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}
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