forgejo/modules/templates/htmlrenderer_test.go
TheFox0x7 4de909747b
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Add testifylint to lint checks (#4535)
go-require lint is ignored for now

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/4535
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: TheFox0x7 <thefox0x7@gmail.com>
Co-committed-by: TheFox0x7 <thefox0x7@gmail.com>
2024-07-30 19:41:10 +00:00

107 lines
2.8 KiB
Go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package templates
import (
"errors"
"html/template"
"os"
"strings"
"testing"
"code.gitea.io/gitea/modules/assetfs"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestExtractErrorLine(t *testing.T) {
cases := []struct {
code string
line int
pos int
target string
expect string
}{
{"hello world\nfoo bar foo bar\ntest", 2, -1, "bar", `
foo bar foo bar
^^^ ^^^
`},
{"hello world\nfoo bar foo bar\ntest", 2, 4, "bar", `
foo bar foo bar
^
`},
{
"hello world\nfoo bar foo bar\ntest", 2, 4, "",
`
foo bar foo bar
^
`,
},
{
"hello world\nfoo bar foo bar\ntest", 5, 0, "",
`unable to find target line 5`,
},
}
for _, c := range cases {
actual := extractErrorLine([]byte(c.code), c.line, c.pos, c.target)
assert.Equal(t, strings.TrimSpace(c.expect), strings.TrimSpace(actual))
}
}
func TestHandleError(t *testing.T) {
dir := t.TempDir()
p := &templateErrorPrettier{assets: assetfs.Layered(assetfs.Local("tmp", dir))}
test := func(s string, h func(error) string, expect string) {
err := os.WriteFile(dir+"/test.tmpl", []byte(s), 0o644)
require.NoError(t, err)
tmpl := template.New("test")
_, err = tmpl.Parse(s)
require.Error(t, err)
msg := h(err)
assert.EqualValues(t, strings.TrimSpace(expect), strings.TrimSpace(msg))
}
test("{{", p.handleGenericTemplateError, `
template error: tmp:test:1 : unclosed action
----------------------------------------------------------------------
{{
----------------------------------------------------------------------
`)
test("{{Func}}", p.handleFuncNotDefinedError, `
template error: tmp:test:1 : function "Func" not defined
----------------------------------------------------------------------
{{Func}}
^^^^
----------------------------------------------------------------------
`)
test("{{'x'3}}", p.handleUnexpectedOperandError, `
template error: tmp:test:1 : unexpected "3" in operand
----------------------------------------------------------------------
{{'x'3}}
^
----------------------------------------------------------------------
`)
// no idea about how to trigger such strange error, so mock an error to test it
err := os.WriteFile(dir+"/test.tmpl", []byte("god knows XXX"), 0o644)
require.NoError(t, err)
expectedMsg := `
template error: tmp:test:1 : expected end; found XXX
----------------------------------------------------------------------
god knows XXX
^^^
----------------------------------------------------------------------
`
actualMsg := p.handleExpectedEndError(errors.New("template: test:1: expected end; found XXX"))
assert.EqualValues(t, strings.TrimSpace(expectedMsg), strings.TrimSpace(actualMsg))
}