1c8bc4081a
Close #24104 This also introduces many tests to cover many complex error handling functions. ### Before The details are never shown in production. <details>  </details> ### After The details could be shown to site admin users. It is safe. 
106 lines
2.7 KiB
Go
106 lines
2.7 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package templates
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import (
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"errors"
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"html/template"
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"os"
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"strings"
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"testing"
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"code.gitea.io/gitea/modules/assetfs"
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"github.com/stretchr/testify/assert"
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)
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func TestExtractErrorLine(t *testing.T) {
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cases := []struct {
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code string
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line int
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pos int
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target string
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expect string
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}{
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{"hello world\nfoo bar foo bar\ntest", 2, -1, "bar", `
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foo bar foo bar
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^^^ ^^^
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`},
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{"hello world\nfoo bar foo bar\ntest", 2, 4, "bar", `
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foo bar foo bar
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^
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`},
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{
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"hello world\nfoo bar foo bar\ntest", 2, 4, "",
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`
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foo bar foo bar
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^
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`,
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},
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{
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"hello world\nfoo bar foo bar\ntest", 5, 0, "",
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`unable to find target line 5`,
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},
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}
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for _, c := range cases {
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actual := extractErrorLine([]byte(c.code), c.line, c.pos, c.target)
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assert.Equal(t, strings.TrimSpace(c.expect), strings.TrimSpace(actual))
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}
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}
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func TestHandleError(t *testing.T) {
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dir := t.TempDir()
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p := &templateErrorPrettier{assets: assetfs.Layered(assetfs.Local("tmp", dir))}
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test := func(s string, h func(error) string, expect string) {
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err := os.WriteFile(dir+"/test.tmpl", []byte(s), 0o644)
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assert.NoError(t, err)
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tmpl := template.New("test")
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_, err = tmpl.Parse(s)
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assert.Error(t, err)
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msg := h(err)
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assert.EqualValues(t, strings.TrimSpace(expect), strings.TrimSpace(msg))
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}
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test("{{", p.handleGenericTemplateError, `
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template error: tmp:test:1 : unclosed action
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----------------------------------------------------------------------
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{{
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----------------------------------------------------------------------
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`)
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test("{{Func}}", p.handleFuncNotDefinedError, `
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template error: tmp:test:1 : function "Func" not defined
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----------------------------------------------------------------------
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{{Func}}
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^^^^
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----------------------------------------------------------------------
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`)
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test("{{'x'3}}", p.handleUnexpectedOperandError, `
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template error: tmp:test:1 : unexpected "3" in operand
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----------------------------------------------------------------------
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{{'x'3}}
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^
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----------------------------------------------------------------------
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`)
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// no idea about how to trigger such strange error, so mock an error to test it
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err := os.WriteFile(dir+"/test.tmpl", []byte("god knows XXX"), 0o644)
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assert.NoError(t, err)
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expectedMsg := `
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template error: tmp:test:1 : expected end; found XXX
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----------------------------------------------------------------------
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god knows XXX
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^^^
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----------------------------------------------------------------------
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`
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actualMsg := p.handleExpectedEndError(errors.New("template: test:1: expected end; found XXX"))
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assert.EqualValues(t, strings.TrimSpace(expectedMsg), strings.TrimSpace(actualMsg))
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}
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