Add an anchor test for multiple inter-connected files

tests/checker/data/anchor1.html

@@ -0,0 +1,10 @@
+<!-- targets -->
+<a name="oneone">one one</a>
+<a name="onetwo">one two</a>
+<a name="onethree">one three</a>
+<a name="onefour">one four</a>
+
+<!-- links -->
+<a href="#oneone">anchor1 one from 1</a>
+<a href="anchor2.html#twotwo">anchor2 two from 1</a>
+<a href="anchor2.html#twothree">anchor2 three from 1</a>

tests/checker/data/anchor1.html.result

@@ -0,0 +1,76 @@
+url #twofour
+cache key file://%(curdir)s/%(datadir)s/anchor2.html#twofour
+real url file://%(curdir)s/%(datadir)s/anchor2.html#twofour
+name anchor2 four from 2
+valid
+
+url #threefour
+cache key file://%(curdir)s/%(datadir)s/anchor3.html#threefour
+real url file://%(curdir)s/%(datadir)s/anchor3.html#threefour
+name anchor3 four from 3
+valid
+
+url #oneone
+cache key file://%(curdir)s/%(datadir)s/anchor1.html#oneone
+real url file://%(curdir)s/%(datadir)s/anchor1.html#oneone
+name anchor1 one from 1
+valid
+
+url #twoone
+cache key file://%(curdir)s/%(datadir)s/anchor2.html#twoone
+real url file://%(curdir)s/%(datadir)s/anchor2.html#twoone
+name anchor2 one from 2
+valid
+
+url #threeone
+cache key file://%(curdir)s/%(datadir)s/anchor3.html#threeone
+real url file://%(curdir)s/%(datadir)s/anchor3.html#threeone
+name anchor3 one from 3
+valid
+
+url anchor1.html#onefour
+cache key file://%(curdir)s/%(datadir)s/anchor1.html#onefour
+real url file://%(curdir)s/%(datadir)s/anchor1.html#onefour
+name anchor1 four from 3
+valid
+
+url anchor1.html#onethree
+cache key file://%(curdir)s/%(datadir)s/anchor1.html#onethree
+real url file://%(curdir)s/%(datadir)s/anchor1.html#onethree
+name anchor1 three from 3
+valid
+
+url anchor1.html#onetwo
+cache key file://%(curdir)s/%(datadir)s/anchor1.html#onetwo
+real url file://%(curdir)s/%(datadir)s/anchor1.html#onetwo
+name anchor1 two from 3
+valid
+
+url anchor2.html#twothree
+cache key file://%(curdir)s/%(datadir)s/anchor2.html#twothree
+real url file://%(curdir)s/%(datadir)s/anchor2.html#twothree
+name anchor2 three from 1
+valid
+
+url anchor2.html#twotwo
+cache key file://%(curdir)s/%(datadir)s/anchor2.html#twotwo
+real url file://%(curdir)s/%(datadir)s/anchor2.html#twotwo
+name anchor2 two from 1
+valid
+
+url anchor3.html#threethree
+cache key file://%(curdir)s/%(datadir)s/anchor3.html#threethree
+real url file://%(curdir)s/%(datadir)s/anchor3.html#threethree
+name anchor3 three from 2
+valid
+
+url anchor3.html#threetwo
+cache key file://%(curdir)s/%(datadir)s/anchor3.html#threetwo
+real url file://%(curdir)s/%(datadir)s/anchor3.html#threetwo
+name anchor3 two from 2
+valid
+
+url file://%(curdir)s/%(datadir)s/anchor1.html
+cache key file://%(curdir)s/%(datadir)s/anchor1.html
+real url file://%(curdir)s/%(datadir)s/anchor1.html
+valid

tests/checker/data/anchor2.html

@@ -0,0 +1,13 @@
+<!-- targets -->
+<a name="twoone">two one</a>
+<a name="twotwo">two two</a>
+<a name="twothree">two three</a>
+<a name="twofour">two four</a>
+
+<-- links -->
+<a href="#twoone">anchor2 one from 2</a>
+<a href="anchor3.html#threetwo">anchor3 two from 2</a>
+<a href="anchor3.html#threethree">anchor3 three from 2</a>
+
+<a href="#twofour">anchor2 four from 2</a>
+<a href="anchor1.html#oneone">anchor1 one from 2</a>

tests/checker/data/anchor3.html

@@ -0,0 +1,13 @@
+<!-- targets -->
+<a name="threeone">three one</a>
+<a name="threetwo">three two</a>
+<a name="threethree">three three</a>
+<a name="threefour">three four</a>
+
+<-- links -->
+<a href="#threeone">anchor3 one from 3</a>
+<a href="anchor1.html#onetwo">anchor1 two from 3</a>
+<a href="anchor1.html#onethree">anchor1 three from 3</a>
+
+<a href="#threefour">anchor3 four from 3</a>
+<a href="anchor1.html#onefour">anchor1 four from 3</a>

tests/checker/test_anchor.py

@@ -49,3 +49,18 @@ class TestHttpAnchor(HttpServerTest):
     def test_anchor_html(self):
         confargs = dict(enabledplugins=["AnchorCheck"], recursionlevel=1)
         self.file_test("http_anchor.html", confargs=confargs)
+
+
+class TestAnchorsAcrossMultipleFiles(LinkCheckTest):
+    """Test anchors when there are multiple files"""
+
+    def test_anchor1_file(self):
+        """
+        Test a network of files that reference each other, starting with anchor1.html
+        """
+        filename = "anchor1.html"
+        confargs = {"enabledplugins": ["AnchorCheck"]}
+        url = "file://%(curdir)s/%(datadir)s/%(filename)s" % self.get_attrs(
+               filename=filename)
+        resultlines = self.get_resultlines(filename)
+        self.direct(url, resultlines, recursionlevel=4, confargs=confargs)