mirror of
https://codeberg.org/scip/kleingebaeck.git
synced 2025-12-16 20:11:01 +01:00
550 lines
13 KiB
Go
550 lines
13 KiB
Go
/*
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Copyright © 2023-2024 Thomas von Dein
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package main
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import (
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"bytes"
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"errors"
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"fmt"
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"os"
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"strings"
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"testing"
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tpl "text/template"
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"github.com/jarcoal/httpmock"
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)
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// the ad list, aka:
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// https://www.kleinanzeigen.de/s-bestandsliste.html?userId=XXXXXX
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// Note, that this HTML code is reduced to the max, so that it only
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// contains the stuff required to satisfy goquery
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const LISTTPL string = `<!DOCTYPE html>
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<html lang="de" >
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<head>
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<title>Ads</title>
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</head>
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<body>
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{{ range . }}
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<h2 class="text-module-begin">
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<a class="ellipsis"
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href="/s-anzeige/{{ .Slug }}/{{ .Id }}">{{ .Title }}</a>
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</h2>
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{{ end }}
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</body>
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</html>
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`
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// an actual ad listing, aka:
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// https://www.kleinanzeigen.de/s-anzeige/ad-text-slug/1010101010
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// Note, that this HTML code is reduced to the max, so that it only
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// contains the stuff required to satisfy goquery
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const ADTPL string = `DOCTYPE html>
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<html lang="de">
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<head>
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<title>Ad Listing</title>
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</head>
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<body>
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<div class="l-container-row">
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<div id="vap-brdcrmb" class="breadcrump">
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<a class="breadcrump-link" itemprop="url" href="/" title="Kleinanzeigen ">
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<span itemprop="title">Kleinanzeigen </span>
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</a>
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<a class="breadcrump-link" itemprop="url" href="/egal">
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<span itemprop="title">{{ .Category }}</span></a>
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</div>
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</div>
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{{ range $image := .Images }}
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<div class="galleryimage-element" data-ix="3">
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<img src="{{ $image }}"/>
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</div>
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{{ end }}
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<h1 id="viewad-title" class="boxedarticle--title" itemprop="name" data-soldlabel="Verkauft">
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{{ .Title }}</h1>
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<div class="boxedarticle--flex--container">
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<h2 class="boxedarticle--price" id="viewad-price">
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{{ .Price }}</h2>
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</div>
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<div id="viewad-extra-info" class="boxedarticle--details--full">
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<div><i class="icon icon-small icon-calendar-gray-simple"></i><span>{{ .Created }}</span></div>
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</div>
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<div class="splitlinebox l-container-row" id="viewad-details">
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<ul class="addetailslist">
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<li class="addetailslist--detail">
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Zustand<span class="addetailslist--detail--value" >
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{{ .Condition }}</span>
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</li>
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</ul>
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</div>
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<div class="l-container last-paragraph-no-margin-bottom">
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<p id="viewad-description-text" class="text-force-linebreak " itemprop="description">
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{{ .Text }}
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</p>
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</div>
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</body>
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</html>
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`
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const EMPTYPAGE string = `DOCTYPE html>
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<html lang="de">
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<head></head>
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<body></body>
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</html>
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`
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const (
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EMPTYURI string = `https://www.kleinanzeigen.de/s-anzeige/empty/1`
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INVALID503URI string = `https://www.kleinanzeigen.de/s-anzeige/503/1`
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INVALIDPATHURI string = `https://www.kleinanzeigen.de/anzeige/name/1`
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INVALID404URI string = `https://www.kleinanzeigen.de/anzeige/name/1/foo/bar`
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INVALIDURI string = `https://foo.bar/weird/things`
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)
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var base = "kleingebaeck -c t/config-empty.conf"
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type Tests struct {
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name string
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args string
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expect string
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exitcode int
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}
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var tests = []Tests{
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{
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name: "version",
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args: base + " -V",
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expect: "This is",
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exitcode: 0,
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},
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{
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name: "help",
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args: base + " -h",
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expect: "Usage:",
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exitcode: 0,
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},
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{
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name: "debug",
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args: base + " -d",
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expect: "program_info",
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exitcode: 1,
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},
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{
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name: "no-args-no-user",
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args: base,
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expect: "invalid or no user id",
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exitcode: 1,
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},
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{
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name: "download-single-ad",
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args: base + " -o t/out https://www.kleinanzeigen.de/s-anzeige/first-ad/1",
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expect: "Successfully downloaded 1 ad with 2 images to t/out",
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exitcode: 0,
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},
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{
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name: "download-single-ad-verbose",
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args: base + " -o t/out https://www.kleinanzeigen.de/s-anzeige/first-ad/1 -v",
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expect: "wrote ad listing",
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exitcode: 0,
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},
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{
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name: "download-single-ad-debug",
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args: base + " -o t/out https://www.kleinanzeigen.de/s-anzeige/first-ad/1 -d",
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expect: "extracted ad listing program_info.pid=",
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exitcode: 0,
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},
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{
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name: "download-all-ads",
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args: base + " -o t/out -u 1",
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expect: "Successfully downloaded 6 ads with 12 images to t/out",
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exitcode: 0,
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},
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{
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name: "download-all-ads-using-config",
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args: "kleingebaeck -c t/fullconfig.conf",
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expect: "Successfully downloaded 6 ads with 12 images to t/out",
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exitcode: 0,
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},
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}
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var invalidtests = []Tests{
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{
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name: "empty-ad",
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args: base + " " + EMPTYURI,
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expect: "could not extract ad data from page, got empty struct",
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exitcode: 1,
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},
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{
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name: "invalid-ad",
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args: base + " " + INVALIDURI,
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expect: "invalid uri",
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exitcode: 1,
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},
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{
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name: "invalid-path",
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args: base + " " + INVALIDPATHURI,
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expect: "could not extract ad data from page, got empty struct",
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exitcode: 1,
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},
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{
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name: "404",
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args: base + " " + INVALID404URI,
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expect: "could not get page via HTTP",
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exitcode: 1,
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},
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{
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name: "outdir-no-exists",
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args: base + " -o t/foo/bar/out https://www.kleinanzeigen.de/s-anzeige/first-ad/1 -v",
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expect: "Failure",
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exitcode: 1,
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},
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{
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name: "wrong-flag",
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args: base + " -X",
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expect: "unknown shorthand flag: 'X' in -X",
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exitcode: 1,
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},
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{
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name: "no-config",
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args: "kleingebaeck -c t/invalid.conf",
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expect: "error loading config file",
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exitcode: 1,
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},
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{
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name: "503",
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args: base + " " + INVALID503URI,
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expect: "could not get page via HTTP",
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exitcode: 1,
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},
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}
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type AdConfig struct {
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Title string
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Slug string
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Id string
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Price string
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Category string
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Condition string
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Created string
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Text string
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Images []string // files in ./t/
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}
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var adsrc = []AdConfig{
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{
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Title: "First Ad",
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Id: "1", Price: "5€",
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Category: "Klimbim",
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Text: "Thing to sale",
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Slug: "first-ad",
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Condition: "works",
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Created: "Yesterday",
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Images: []string{"t/1.jpg", "t/2.jpg"},
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},
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{
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Title: "Secnd Ad",
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Id: "2", Price: "5€",
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Category: "Kram",
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Text: "Thing to sale",
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Slug: "second-ad",
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Condition: "works",
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Created: "Yesterday",
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Images: []string{"t/1.jpg", "t/2.jpg"},
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},
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{
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Title: "Third Ad",
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Id: "3",
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Price: "5€",
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Category: "Kuddelmuddel",
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Text: "Thing to sale",
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Slug: "third-ad",
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Condition: "works",
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Created: "Yesterday",
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Images: []string{"t/1.jpg", "t/2.jpg"},
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},
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{
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Title: "Forth Ad",
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Id: "4",
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Price: "5€",
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Category: "Krempel",
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Text: "Thing to sale",
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Slug: "fourth-ad",
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Condition: "works",
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Created: "Yesterday",
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Images: []string{"t/1.jpg", "t/2.jpg"},
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},
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{
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Title: "Fifth Ad",
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Id: "5",
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Price: "5€",
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Category: "Kladderadatsch",
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Text: "Thing to sale",
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Slug: "fifth-ad",
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Condition: "works",
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Created: "Yesterday",
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Images: []string{"t/1.jpg", "t/2.jpg"},
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},
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{
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Title: "Sixth Ad",
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Id: "6",
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Price: "5€",
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Category: "Klunker",
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Text: "Thing to sale",
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Slug: "sixth-ad",
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Condition: "works",
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Created: "Yesterday",
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Images: []string{"t/1.jpg", "t/2.jpg"},
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},
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}
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// An Adsource is used to construct a httpmock responder for a
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// particular url. So, the code (scrape.go) scrapes
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// https://kleinanzeigen.de, but in reality httpmock captures the
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// request and responds with our mock data
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type Adsource struct {
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uri string
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content string
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status int
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}
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// Render a HTML template for an adlisting or an ad
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func GetTemplate(l []AdConfig, a AdConfig, htmltemplate string) string {
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tmpl, err := tpl.New("template").Parse(htmltemplate)
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if err != nil {
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panic(err)
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}
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var out bytes.Buffer
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if len(a.Id) == 0 {
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err = tmpl.Execute(&out, l)
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} else {
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err = tmpl.Execute(&out, a)
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}
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if err != nil {
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panic(err)
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}
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return out.String()
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}
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// Initialize the valid sources for the httpmock responder
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func InitValidSources() []Adsource {
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// valid ad listing page 1
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list1 := []AdConfig{
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adsrc[0], adsrc[1], adsrc[2],
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}
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// valid ad listing page 2
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list2 := []AdConfig{
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adsrc[3], adsrc[4], adsrc[5],
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}
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// valid ad listing page 3, which is empty
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list3 := []AdConfig{}
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// used to signal GetTemplate() to render a listing
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empty := AdConfig{}
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// prepare urls for the listing pages
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ads := []Adsource{
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{
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uri: fmt.Sprintf("%s%s?userId=1", Baseuri, Listuri),
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content: GetTemplate(list1, empty, LISTTPL),
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},
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{
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uri: fmt.Sprintf("%s%s?userId=1&pageNum=2", Baseuri, Listuri),
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content: GetTemplate(list2, empty, LISTTPL),
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},
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{
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uri: fmt.Sprintf("%s%s?userId=1&pageNum=3", Baseuri, Listuri),
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content: GetTemplate(list3, empty, LISTTPL),
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},
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}
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// prepare urls for the ads
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for _, ad := range adsrc {
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ads = append(ads, Adsource{
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uri: fmt.Sprintf("%s/s-anzeige/%s/%s", Baseuri, ad.Slug, ad.Id),
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content: GetTemplate(nil, ad, ADTPL),
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})
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//panic(GetTemplate(nil, ad, ADTPL))
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}
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return ads
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}
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func InitInvalidSources() []Adsource {
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empty := AdConfig{}
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ads := []Adsource{
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{
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// valid ad page but without content
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uri: fmt.Sprintf("%s/s-anzeige/empty/1", Baseuri),
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content: GetTemplate(nil, empty, EMPTYPAGE),
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},
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{
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// some random foreign webpage
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uri: INVALIDURI,
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content: GetTemplate(nil, empty, "<html>foo</html>"),
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},
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{
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// some invalid page path
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uri: fmt.Sprintf("%s/anzeige/name/1", Baseuri),
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content: GetTemplate(nil, empty, "<html></html>"),
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},
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{
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// some none-ad page
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uri: fmt.Sprintf("%s/anzeige/name/1/foo/bar", Baseuri),
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content: GetTemplate(nil, empty, "<html>HTTP 404: /eine-anzeige/ does not exist!</html>"),
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status: 404,
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},
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{
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// valid ad page but 503
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uri: fmt.Sprintf("%s/s-anzeige/503/1", Baseuri),
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content: GetTemplate(nil, empty, "<html>HTTP 503: service unavailable</html>"),
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status: 503,
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},
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}
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return ads
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}
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// load a test image from disk
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func GetImage(path string) []byte {
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dat, err := os.ReadFile(path)
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if err != nil {
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panic(err)
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}
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return dat
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}
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// setup httpmock
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func SetIntercept(ads []Adsource) {
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for _, ad := range ads {
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if ad.status == 0 {
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ad.status = 200
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}
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httpmock.RegisterResponder("GET", ad.uri,
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httpmock.NewStringResponder(ad.status, ad.content))
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}
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// we just use 2 images, put this here
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for _, image := range []string{"t/1.jpg", "t/2.jpg"} {
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httpmock.RegisterResponder("GET", image,
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httpmock.NewBytesResponder(200, GetImage(image)))
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}
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}
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func VerifyAd(ad AdConfig) error {
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body := ad.Title + ad.Price + ad.Id + "Kleinanzeigen => " +
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ad.Category + ad.Condition + ad.Created
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// prepare ad dir name using DefaultAdNameTemplate
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c := Config{Adnametemplate: "{{ .Slug }}"}
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adstruct := Ad{Slug: ad.Slug, Id: ad.Id}
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addir, err := AdDirName(&c, &adstruct)
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if err != nil {
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return err
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}
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file := fmt.Sprintf("t/out/%s/Adlisting.txt", addir)
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content, err := os.ReadFile(file)
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if err != nil {
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return err
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}
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if body != strings.TrimSpace(string(content)) {
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msg := fmt.Sprintf("ad content doesn't match.\nExpect: %s\n Got: %s\n", body, content)
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return errors.New(msg)
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}
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return nil
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}
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func TestMain(t *testing.T) {
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oldargs := os.Args
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defer func() { os.Args = oldargs }()
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httpmock.Activate()
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defer httpmock.DeactivateAndReset()
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// prepare httpmock responders
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SetIntercept(InitValidSources())
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// run commandline tests
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for _, tt := range tests {
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var buf bytes.Buffer
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os.Args = strings.Split(tt.args, " ")
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ret := Main(&buf)
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if ret != tt.exitcode {
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t.Errorf("%s with cmd <%s> did not exit with %d but %d",
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tt.name, tt.args, tt.exitcode, ret)
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}
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if !strings.Contains(buf.String(), tt.expect) {
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t.Errorf("%s with cmd <%s> output did not match.\nExpect: %s\n Got: %s\n",
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tt.name, tt.args, tt.expect, buf.String())
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}
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}
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// verify if downloaded ads match
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for _, ad := range adsrc {
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if err := VerifyAd(ad); err != nil {
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t.Errorf(err.Error())
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}
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}
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}
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func TestMainInvalids(t *testing.T) {
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oldargs := os.Args
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defer func() { os.Args = oldargs }()
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httpmock.Activate()
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defer httpmock.DeactivateAndReset()
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// prepare httpmock responders
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SetIntercept(InitInvalidSources())
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// run commandline tests
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for _, tt := range invalidtests {
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var buf bytes.Buffer
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os.Args = strings.Split(tt.args, " ")
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ret := Main(&buf)
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if ret != tt.exitcode {
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t.Errorf("%s with cmd <%s> did not exit with %d but %d",
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tt.name, tt.args, tt.exitcode, ret)
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}
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if !strings.Contains(buf.String(), tt.expect) {
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t.Errorf("%s with cmd <%s> output did not match.\nExpect: %s\n Got: %s\n",
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tt.name, tt.args, tt.expect, buf.String())
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}
|
|
}
|
|
}
|