refactor scraper into modules

1 files changed, 92 insertions, 0 deletions

diff --git a/modules/domainfilter/domainfilter_test.go b/modules/domainfilter/domainfilter_test.go
new file mode 100644
index 0000000..97bdc9c
--- /dev/null
+++ b/modules/domainfilter/domainfilter_test.go
@@ -0,0 +1,92 @@
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package domainfilter_test
+
+import (
+	"testing"
+
+	"github.com/philippta/flyscrape"
+	"github.com/philippta/flyscrape/modules/domainfilter"
+	"github.com/philippta/flyscrape/modules/followlinks"
+	"github.com/philippta/flyscrape/modules/starturl"
+	"github.com/stretchr/testify/require"
+)
+
+func TestDomainfilterAllowed(t *testing.T) {
+	scraper := flyscrape.NewScraper()
+	scraper.LoadModule(&starturl.Module{URL: "http://www.example.com"})
+	scraper.LoadModule(&followlinks.Module{})
+	scraper.LoadModule(&domainfilter.Module{
+		URL:            "http://www.example.com",
+		AllowedDomains: []string{"www.google.com"},
+	})
+
+	scraper.SetTransport(flyscrape.MockTransport(200, `
+        <a href="http://www.google.com">Google</a>
+        <a href="http://www.duckduckgo.com">DuckDuckGo</a>`))
+
+	var urls []string
+	scraper.OnRequest(func(req *flyscrape.Request) {
+		urls = append(urls, req.URL)
+	})
+
+	scraper.Run()
+
+	require.Len(t, urls, 2)
+	require.Contains(t, urls, "http://www.example.com")
+	require.Contains(t, urls, "http://www.google.com/")
+}
+
+func TestDomainfilterAllowedAll(t *testing.T) {
+	scraper := flyscrape.NewScraper()
+	scraper.LoadModule(&starturl.Module{URL: "http://www.example.com"})
+	scraper.LoadModule(&followlinks.Module{})
+	scraper.LoadModule(&domainfilter.Module{
+		URL:            "http://www.example.com",
+		AllowedDomains: []string{"*"},
+	})
+
+	scraper.SetTransport(flyscrape.MockTransport(200, `
+        <a href="http://www.google.com">Google</a>
+        <a href="http://www.duckduckgo.com">DuckDuckGo</a>`))
+
+	var urls []string
+	scraper.OnRequest(func(req *flyscrape.Request) {
+		urls = append(urls, req.URL)
+	})
+
+	scraper.Run()
+
+	require.Len(t, urls, 3)
+	require.Contains(t, urls, "http://www.example.com")
+	require.Contains(t, urls, "http://www.duckduckgo.com/")
+	require.Contains(t, urls, "http://www.google.com/")
+}
+
+func TestDomainfilterBlocked(t *testing.T) {
+	scraper := flyscrape.NewScraper()
+	scraper.LoadModule(&starturl.Module{URL: "http://www.example.com"})
+	scraper.LoadModule(&followlinks.Module{})
+	scraper.LoadModule(&domainfilter.Module{
+		URL:            "http://www.example.com",
+		AllowedDomains: []string{"*"},
+		BlockedDomains: []string{"www.google.com"},
+	})
+
+	scraper.SetTransport(flyscrape.MockTransport(200, `
+        <a href="http://www.google.com">Google</a>
+        <a href="http://www.duckduckgo.com">DuckDuckGo</a>`))
+
+	var urls []string
+	scraper.OnRequest(func(req *flyscrape.Request) {
+		urls = append(urls, req.URL)
+	})
+
+	scraper.Run()
+
+	require.Len(t, urls, 2)
+	require.Contains(t, urls, "http://www.example.com")
+	require.Contains(t, urls, "http://www.duckduckgo.com/")
+}