Switch to perevir for testing

.github/workflows/ci.yaml

@@ -40,7 +40,12 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install dependencies
-        run: apk add make
+        run: apk add luarocks5.4 make
+
+      - name: Install perevir
+        run: luarocks-5.4 install perevir
 
       - name: Test
-        run: make test
+        run: |
+          eval $(luarocks-5.4 path)
+          make test

Makefile

@@ -1,34 +1,13 @@
-# Name of the filter file, *with* `.lua` file extension.
-FILTER_FILE := $(wildcard *.lua)
-# Name of the filter, *without* `.lua` file extension
-FILTER_NAME = $(patsubst %.lua,%,$(FILTER_FILE))
-
 # Allow to use a different pandoc binary, e.g. when testing.
 PANDOC ?= pandoc
-# Allow to adjust the diff command if necessary
-DIFF = diff
 
 # Test that running the filter on the sample input document yields
 # the expected output.
 #
 # The automatic variable `$<` refers to the first dependency
 # (i.e., the filter file).
-test: $(FILTER_FILE) test/input.md test/test.yaml
-	$(PANDOC) --defaults test/test.yaml | \
-		$(DIFF) test/expected.md -
+test: test/perevirka.md
+	$(PANDOC) lua test/runtests.lua $<
 
 # Ensure that the `test` target is run each time it's called.
 .PHONY: test
-
-# Re-generate the expected output. This file **must not** be a
-# dependency of the `test` target, as that would cause it to be
-# regenerated on each run, making the test pointless.
-test/expected.md: $(FILTER_FILE) test/input.md test/test.yaml
-	$(PANDOC) --defaults test/test.yaml --output=$@
-
-#
-# Clean
-#
-.PHONY: clean
-clean:
-	rm -f _site/output.md _site/index.html _site/style.css

test/perevirka.md

@@ -0,0 +1,38 @@
+---
+perevir:
+  filters:
+  - cito.lua
+  metastrings-to-inlines: true
+---
+
+``` markdown {#input}
+# Abstract
+
+This is an example article. It was written under the influence of
+coffee, which acts to counter fatigue [@cites_as_evidence:Li95].
+
+# Further reading
+
+Authors struggling to fill their document with content are referred to
+@recommended_reading:Upper_writers_1974.
+```
+
+``` markdown {#expected}
+---
+cito_cites:
+  citesAsEvidence:
+  - Li95
+  citesAsRecommendedReading:
+  - Upper_writers_1974
+---
+
+# Abstract
+
+This is an example article. It was written under the influence of
+coffee, which acts to counter fatigue [@Li95].
+
+# Further reading
+
+Authors struggling to fill their document with content are referred to
+@Upper_writers_1974.
+```

test/runtests.lua

@@ -0,0 +1,9 @@
+#!/usr/bin/env pandoc-lua
+--- Run tests with perevir.
+--
+-- Copyright: © 2024 Albert Krewinkel <[email protected]>
+-- License: MIT
+
+local perevir = require 'perevir'
+local opts = perevir.parse_args(arg)
+perevir.do_checks(opts)