* Add a test for nix-log2xml.

tests/logging.sh

@@ -0,0 +1,24 @@
+source common.sh
+
+rm -f $NIX_STATE_DIR/var/nix/
+$nixstore --gc
+
+# Produce an escaped log file.
+$nixstore --log-type escapes -r -vv $($nixinstantiate dependencies.nix) 2> $TEST_ROOT/log.esc
+
+# Convert it to an XML representation.
+$TOP/src/nix-log2xml/nix-log2xml < $TEST_ROOT/log.esc > $TEST_ROOT/log.xml
+
+# Is this well-formed XML?
+if test -n "$xmllint"; then
+    $xmllint --noout $TEST_ROOT/log.xml
+fi
+
+# Convert to HTML.
+if test -n "$xsltproc"; then
+    (cd $TOP/src/nix-log2xml && $xsltproc mark-errors.xsl - | $xsltproc log2html.xsl -) < $TEST_ROOT/log.xml > $TEST_ROOT/log.html
+    # Ideally we would check that the generated HTML is valid...
+
+    # A few checks...
+    grep "<li>.*<code>.*echo FOO" $TEST_ROOT/log.html
+fi