You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: securitypolicies_test.go
    path of file: ./repos/hugo/hugolib
    
    the code of the file until where you have to start completion: // Copyright 2019 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 hugolib

import (
	"fmt"
	"net/http"
	"net/http/httptest"
	"runtime"
	"testing"

	qt "github.com/frankban/quicktest"
	"github.com/gohugoio/hugo/markup/asciidocext"
	"github.com/gohugoio/hugo/markup/pandoc"
	"github.com/gohugoio/hugo/markup/rst"
	"github.com/gohugoio/hugo/resources/resource_transformers/tocss/dartsass"
)

func TestSecurityPolicies(t *testing.T) {
	c := qt.New(t)

	testVariant := func(c *qt.C, withBuilder func(b *sitesBuilder), expectErr string) {
		c.Helper()
		b := newTestSitesBuilder(c)
		withBuilder(b)

		if expectErr != "" {
			err := b.BuildE(BuildCfg{})
			b.Assert(err, qt.IsNotNil)
			b.Assert(err, qt.ErrorMatches, expectErr)
		} else {
			b.Build(BuildCfg{})
		}
	}

	httpTestVariant := func(c *qt.C, templ, expectErr string, withBuilder func(b *sitesBuilder)) {
		ts := httptest.NewServer(http.FileServer(http.Dir("testdata/")))
		c.Cleanup(func() {
			ts.Close()
		})
		cb := func(b *sitesBuilder) {
			b.WithTemplatesAdded("index.html", fmt.Sprintf(templ, ts.URL))
			if withBuilder != nil {
				withBuilder(b)
			}
		}
		testVariant(c, cb, expectErr)
	}

	c.Run("os.GetEnv, denied", func(c *qt.C) {
		c.Parallel()
		cb := func(b *sitesBuilder) {
			b.WithTemplatesAdded("index.html", `{{ os.Getenv "FOOBAR" }}`)
		}
		testVariant(c, cb, `(?s).*"FOOBAR" is not whitelisted in policy "security\.funcs\.getenv".*`)
	})

	c.Run("os.GetEnv, OK", func(c *qt.C) {
		c.Parallel()
		cb := func(b *sitesBuilder) {
			b.WithTemplatesAdded("index.html", `{{ os.Getenv "HUGO_FOO" }}`)
		}
		testVariant(c, cb, "")
	})

	c.Run("Asciidoc, denied", func(c *qt.C) {
		c.Parallel()
		if !asciidocext.Supports() {
			c.Skip()
		}

		cb := func(b *sitesBuilder) {
			b.WithContent("page.ad", "foo")
		}

		testVariant(c, cb, `(?s).*"asciidoctor" is not whitelisted in policy "security\.exec\.allow".*`)
	})

	c.Run("RST, denied", func(c *qt.C) {
		c.Parallel()
		if !rst.Supports() {
			c.Skip()
		}

		cb := func(b *sitesBuilder) {
			b.WithContent("page.rst", "foo")
		}

		if runtime.GOOS == "windows" {
			testVariant(c, cb, `(?s).*python(\.exe)?" is not whitelisted in policy "security\.exec\.allow".*`)
		} else {
			testVariant(c, cb, `(?s).*"rst2html(\.py)?" is not whitelisted in policy "security\.exec\.allow".*`)
		}
	})

	c.Run("Pandoc, denied", func(c *qt.C) {
		c.Parallel()
		if !pandoc.Supports() {
			c.Skip()
		}

		cb := func(b *sitesBuilder) {
			b.WithContent("page.pdc", "foo")
		}

		testVariant(c, cb, `(?s).*pandoc" is not whitelisted in policy "security\.exec\.allow".*`)
	})

	c.Run("Dart SASS, OK", func(c *qt.C) {
		c.Parallel()
		if !dartsass.Supports() {
			c.Skip()
		}
		cb := func(b *sitesBuilder) {
			b.WithTemplatesAdded("index.html", `{{ $scss := "body { color: #333; }" | resources.FromString "foo.scss"  | resources.ToCSS (dict "transpiler" "dartsass") }}`)
		}
		testVariant(c, cb, "")
	})

	c.Run("Dart SASS, denied", func(c *qt.C) {
		c.Parallel()
		if !dartsass.Supports() {
			c.Skip()
		}
		cb := func(b *sitesBuilder) {
			b.WithConfigFile("toml", `
[security]
[security.exec]
allow="none"	
		
			`)
			b.WithTemplatesAdded("index.html", `{{ $scss := "body { color: #333; }" | resources.FromString "foo.scss"  | resources.ToCSS (d
    
func TestSecurityPolicies(t *testing.T) {
	c := qt.New(t)

	testVariant := func(c *qt.C, withBuilder func(b *sitesBuilder), expectErr string) {
		c.Helper()
		b := newTestSitesBuilder(c)
		withBuilder(b)

		if expectErr != "" {
			err := b.BuildE(BuildCfg{})
			b.Assert(err, qt.IsNotNil)
			b.Assert(err, qt.ErrorMatches, expectErr)
		} else {
			b.Build(BuildCfg{})
		}
	}

	httpTestVariant := func(c *qt.C, templ, expectErr string, withBuilder func(b *sitesBuilder)) {
		ts := httptest.NewServer(http.FileServer(http.Dir("testdata/")))
		c.Cleanup(func() {
			ts.Close()
		})
		cb := func(b *sitesBuilder) {
			b.WithTemplatesAdded("index.html", fmt.Sprintf(templ, ts.URL))
			if withBuilder != nil {
				withBuilder(b)
			}
		}
		testVariant(c, cb, expectErr)
	}

	c.Run("os.GetEnv, denied", func(c *qt.C) {
		c.Parallel()
		cb := func(b *sitesBuilder) {
			b.WithTemplatesAdded("index.html", `{{ os.Getenv "FOOBAR" }}`)
		}
		testVariant(c, cb, `(?s).*"FOOBAR" is not whitelisted in policy "security\.funcs\.getenv".*`)
	})

	c.Run("os.GetEnv, OK", func(c *qt.C) {
		c.Parallel()
		cb := func(b *sitesBuilder) {
			b.WithTemplatesAdded("index.html", `{{ os.Getenv "HUGO_FOO" }}`)
		}
		testVariant(c, cb, "")
	})

	c.Run("Asciidoc, denied", func(c *qt.C) {
		c.Parallel()
		if !asciidocext.Supports() {
			c.Skip()
		}

		cb := func(b *sitesBuilder) {
			b.WithContent("page.ad", "foo")
		}

		testVariant(c, cb, `(?s).*"asciidoctor" is not whitelisted in policy "security\.exec\.allow".*`)
	})

	c.Run("RST, denied", func(c *qt.C) {
		c.Parallel()
		if !rst.Supports() {
			c.Skip()
		}

		cb := func(b *sitesBuilder) {
			b.WithContent("page.rst", "foo")
		}

		if runtime.GOOS == "windows" {
			testVariant(c, cb, `(?s).*python(\.exe)?" is not whitelisted in policy "security\.exec\.allow".*`)
		} else {
			testVariant(c, cb, `(?s).*"rst2html(\.py)?" is not whitelisted in policy "security\.exec\.allow".*`)
		}
	})

	c.Run("Pandoc, denied", func(c *qt.C) {
		c.Parallel()
		if !pandoc.Supports() {
			c.Skip()
		}

		cb := func(b *sitesBuilder) {
			b.WithContent("page.pdc", "foo")
		}

		testVariant(c, cb, `(?s).*pandoc" is not whitelisted in policy "security\.exec\.allow".*`)
	})

	c.Run("Dart SASS, OK", func(c *qt.C) {
		c.Parallel()
		if !dartsass.Supports() {
			c.Skip()
		}
		cb := func(b *sitesBuilder) {
			b.WithTemplatesAdded("index.html", `{{ $scss := "body { color: #333; }" | resources.FromString "foo.scss"  | resources.ToCSS (dict "transpiler" "dartsass") }}`)
		}
		testVariant(c, cb, "")
	})

	c.Run("Dart SASS, denied", func(c *qt.C) {
		c.Parallel()
		if !dartsass.Supports() {
			c.Skip()
		}
		cb := func(b *sitesBuilder) {
			b.WithConfigFile("toml", `
[security]
[security.exec]
allow="none"	
		
			`)
			b.WithTemplatesAdded("index.html", `{{ $scss := "body { color: #333; }" | resources.FromString "foo.scss"  | resources.ToCSS (dict "transpiler" "dartsass") }}`)
		}
		testVariant(c, cb, `(?s).*sass(-embedded)?" is not whitelisted in policy "security\.exec\.allow".*`)
	})

	c.Run("resources.GetRemote, OK", func(c *qt.C) {
		c.Parallel()
		httpTestVariant(c, `{{ $json := resources.GetRemote "%[1]s/fruits.json" }}{{ $json.Content }}`, "", nil)
	})

	c.Run("resources.GetRemote, denied method", func(c *qt.C) {
		c.Parallel()
		httpTestVariant(c, `{{ $json := resources.GetRemote "%[1]s/fruits.json" (dict "method" "DELETE" ) }}{{ $json.Content }}`, `(?s).*"DELETE" is not whitelisted in policy "security\.http\.method".*`, nil)
	})

	c.Run("resources.GetRemote, denied URL", func(c *qt.C) {
		c.Parallel()
		httpTestVariant(c, `{{ $json := resources.GetRemote "%[1]s/fruits.json" }}{{ $json.Content }}`, `(?s).*is not whitelisted in policy "security\.http\.urls".*`,
			func(b *sitesBuilder) {
				b.WithConfigFile("toml", `
[security]		
[security.http]
urls="none"
`)
			})
	})

	c.Run("resources.GetRemote, fake JSON", func(c *qt.C) {
		c.Parallel()
		httpTestVariant(c, `{{ $json := resources.GetRemote "%[1]s/fakejson.json" }}{{ $json.Content }}`, `(?s).*failed to resolve media type.*`,
			func(b *sitesBuilder) {
				b.WithConfigFile("toml", `
`)
			})
	})

	c.Run("resources.GetRemote, fake JSON whitelisted", func(c *qt.C) {
		c.Parallel()
		httpTestVariant(c, `{{ $json := resources.GetRemote "%[1]s/fakejson.json" }}{{ $json.Content }}`, ``,
			func(b *sitesBuilder) {
				b.WithConfigFile("toml", `
[security]		
[security.http]
mediaTypes=["application/json"]

`)
			})
	})

	c.Run("getJSON, OK", func(c *qt.C) {
		c.Parallel()
		httpTestVariant(c, `{{ $json := getJSON "%[1]s/fruits.json" }}{{ $json.Content }}`, "", nil)
	})

	c.Run("getJSON, denied URL", func(c *qt.C) {
		c.Parallel()
		httpTestVariant(c, `{{ $json := getJSON "%[1]s/fruits.json" }}{{ $json.Content }}`, `(?s).*is not whitelisted in policy "security\.http\.urls".*`,
			func(b *sitesBuilder) {
				b.WithConfigFile("toml", `
[security]		
[security.http]
urls="none"		
`)
			})
	})

	c.Run("getCSV, denied URL", func(c *qt.C) {
		c.Parallel()
		httpTestVariant(c, `{{ $d := getCSV ";" "%[1]s/cities.csv" }}{{ $d.Content }}`, `(?s).*is not whitelisted in policy "security\.http\.urls".*`,
			func(b *sitesBuilder) {
				b.WithConfigFile("toml", `
[security]		
[security.http]
urls="none"		
`)
			})
	})
}