tpl: Fix the remaining template funcs namespace issues

See #3042

tpl/tplimpl/template_test.go

@@ -1,127 +0,0 @@
-// Copyright 2016 The Hugo Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package tplimpl
-
-import (
-	"errors"
-	"io/ioutil"
-	"testing"
-
-	"github.com/spf13/hugo/deps"
-
-	"github.com/spf13/hugo/tpl"
-	"github.com/spf13/viper"
-	"github.com/stretchr/testify/require"
-)
-
-// Test for bugs discovered by https://github.com/dvyukov/go-fuzz
-func TestTplGoFuzzReports(t *testing.T) {
-	t.Parallel()
-
-	// The following test case(s) also fail
-	// See https://github.com/golang/go/issues/10634
-	//{"{{ seq 433937734937734969526500969526500 }}", 2}}
-
-	for i, this := range []struct {
-		data      string
-		expectErr int
-	}{
-		// Issue #1089
-		//{"{{apply .C \"first\" }}", 2},
-		// Issue #1090
-		{"{{ slicestr \"000000\" 10}}", 2},
-		// Issue #1091
-		//{"{{apply .C \"first\" 0 0 0}}", 2},
-		{"{{seq 3e80}}", 2},
-		// Issue #1095
-		{"{{apply .C \"urlize\" " +
-			"\".\"}}", 2}} {
-
-		d := &Data{
-			A: 42,
-			B: "foo",
-			C: []int{1, 2, 3},
-			D: map[int]string{1: "foo", 2: "bar"},
-			E: Data1{42, "foo"},
-			F: []string{"a", "b", "c"},
-			G: []string{"a", "b", "c", "d", "e"},
-			H: "a,b,c,d,e,f",
-		}
-
-		config := newDepsConfig(viper.New())
-
-		config.WithTemplate = func(templ tpl.TemplateHandler) error {
-			return templ.AddTemplate("fuzz", this.data)
-		}
-
-		de, err := deps.New(config)
-		require.NoError(t, err)
-		require.NoError(t, de.LoadResources())
-
-		templ := de.Tmpl.(*templateHandler)
-
-		if len(templ.errors) > 0 && this.expectErr == 0 {
-			t.Errorf("Test %d errored: %v", i, templ.errors)
-		} else if len(templ.errors) == 0 && this.expectErr == 1 {
-			t.Errorf("#1 Test %d should have errored", i)
-		}
-
-		tt := de.Tmpl.Lookup("fuzz")
-		require.NotNil(t, tt)
-		err = tt.Execute(ioutil.Discard, d)
-
-		if err != nil && this.expectErr == 0 {
-			t.Fatalf("Test %d errored: %s", i, err)
-		} else if err == nil && this.expectErr == 2 {
-			t.Fatalf("#2 Test %d should have errored", i)
-		}
-
-	}
-}
-
-type Data struct {
-	A int
-	B string
-	C []int
-	D map[int]string
-	E Data1
-	F []string
-	G []string
-	H string
-}
-
-type Data1 struct {
-	A int
-	B string
-}
-
-func (Data1) Q() string {
-	return "foo"
-}
-
-func (Data1) W() (string, error) {
-	return "foo", nil
-}
-
-func (Data1) E() (string, error) {
-	return "foo", errors.New("Data.E error")
-}
-
-func (Data1) R(v int) (string, error) {
-	return "foo", nil
-}
-
-func (Data1) T(s string) (string, error) {
-	return s, nil
-}