add test for findFeeds

testdata/prod/index.xml

@@ -0,0 +1 @@
+old contents

testdata/prod/posts/index.xml

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+old contents

testdata/prod/tags/a/index.xml

@@ -0,0 +1 @@
+same contents

testdata/staging/index.xml

@@ -0,0 +1 @@
+same contents

testdata/staging/posts/index.xml

@@ -0,0 +1 @@
+same contents

testdata/staging/tags/a/index.xml

@@ -0,0 +1 @@
+same contents

testdata/staging/tags/b/index.xml

@@ -0,0 +1 @@
+same contents

websub_test.go

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+// Copyright (C) 2020 Evgeny Kuznetsov ([email protected])
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"path/filepath"
+	"testing"
+)
+
+func TestFindFeeds(t *testing.T) {
+	var cfg config
+	cfg.baseURL = "https://my.site/"
+	cfg.oldDir = filepath.Join("testdata", "prod")
+	cfg.newDir = filepath.Join("testdata", "staging")
+
+	want := []string{
+		"https://my.site/index.xml",
+		"https://my.site/posts/index.xml",
+		"https://my.site/tags/b/index.xml",
+	}
+
+	got := findFeeds(cfg)
+
+	if !stringSlicesEqual(want, got) {
+		t.Fatalf("want:\n%s\ngot:\n%s\n", want, got)
+	}
+}