14 files changed, 234 insertions, 0 deletions
diff --git a/test/lua/attr-test.lua b/test/lua/attr-test.lua
new file mode 100644
index 000000000..68dc0012d
--- /dev/null
+++ b/test/lua/attr-test.lua
@@ -0,0 +1,6 @@
+function Div (div)
+  div.attributes.five = ("%d"):format(div.attributes.two + div.attributes.three)
+  div.attributes.two = nil
+  div.attributes.one = "eins"
+  return div
+end
diff --git a/test/lua/block-count.lua b/test/lua/block-count.lua
new file mode 100644
index 000000000..508b05ea8
--- /dev/null
+++ b/test/lua/block-count.lua
@@ -0,0 +1,11 @@
+local num_blocks = 0
+
+function Block(el)
+  num_blocks = num_blocks + 1
+end
+
+function Pandoc(blocks, meta)
+  return pandoc.Pandoc {
+    pandoc.Para{pandoc.Str(num_blocks)}
+  }
+end
diff --git a/test/lua/hello-world-doc.lua b/test/lua/hello-world-doc.lua
new file mode 100644
index 000000000..62236584e
--- /dev/null
+++ b/test/lua/hello-world-doc.lua
@@ -0,0 +1,10 @@
+return {
+  {
+    Pandoc = function(doc)
+      local meta = {}
+      local hello = { pandoc.Str "Hello,", pandoc.Space(), pandoc.Str "World!" }
+      local blocks = { pandoc.Para(hello) }
+      return pandoc.Pandoc(blocks, meta)
+    end
+  }
+}
diff --git a/test/lua/implicit-doc-filter.lua b/test/lua/implicit-doc-filter.lua
new file mode 100644
index 000000000..253462d1c
--- /dev/null
+++ b/test/lua/implicit-doc-filter.lua
@@ -0,0 +1,6 @@
+function Doc (doc)
+  local meta = {}
+  local hello = { pandoc.Str "Hello,", pandoc.Space(), pandoc.Str "World!" }
+  local blocks = { pandoc.Para(hello) }
+  return pandoc.Pandoc(blocks, meta)
+end
diff --git a/test/lua/markdown-reader.lua b/test/lua/markdown-reader.lua
new file mode 100644
index 000000000..1530a15a2
--- /dev/null
+++ b/test/lua/markdown-reader.lua
@@ -0,0 +1,12 @@
+return {
+  {
+    RawBlock = function (elem)
+      if elem.format == "markdown" then
+        local pd = pandoc.read(elem.text, "markdown")
+        return pd.blocks[1]
+      else
+        return elem
+      end
+    end,
+  }
+}
diff --git a/test/lua/metatable-catch-all.lua b/test/lua/metatable-catch-all.lua
new file mode 100644
index 000000000..05df16bbf
--- /dev/null
+++ b/test/lua/metatable-catch-all.lua
@@ -0,0 +1,20 @@
+local num_inlines = 0
+
+function catch_all(el)
+  if el.tag and pandoc.Inline.constructor[el.tag] then
+    num_inlines = num_inlines + 1
+  end
+end
+
+function Pandoc(blocks, meta)
+  return pandoc.Pandoc {
+    pandoc.Para{pandoc.Str(num_inlines)}
+  }
+end
+
+return {
+  setmetatable(
+    {Pandoc = Pandoc},
+    {__index = function(_) return catch_all end}
+  )
+}
diff --git a/test/lua/plain-to-para.lua b/test/lua/plain-to-para.lua
new file mode 100644
index 000000000..aa12a97d3
--- /dev/null
+++ b/test/lua/plain-to-para.lua
@@ -0,0 +1,6 @@
+return {
+  { Plain = function (elem)
+      return pandoc.Para(elem.content)
+  end,
+  }
+}
diff --git a/test/lua/script-name.lua b/test/lua/script-name.lua
new file mode 100644
index 000000000..4b5a223f0
--- /dev/null
+++ b/test/lua/script-name.lua
@@ -0,0 +1,3 @@
+function Para (_)
+  return pandoc.Para{pandoc.Str(PANDOC_SCRIPT_FILE)}
+end
diff --git a/test/lua/single-to-double-quoted.lua b/test/lua/single-to-double-quoted.lua
new file mode 100644
index 000000000..b985b215c
--- /dev/null
+++ b/test/lua/single-to-double-quoted.lua
@@ -0,0 +1,10 @@
+return {
+  {
+    Quoted = function (elem)
+      if elem.quotetype == "SingleQuote" then
+        elem.quotetype = "DoubleQuote"
+      end
+      return elem
+    end,
+  }
+}
diff --git a/test/lua/smallcaps-title.lua b/test/lua/smallcaps-title.lua
new file mode 100644
index 000000000..b839ee131
--- /dev/null
+++ b/test/lua/smallcaps-title.lua
@@ -0,0 +1,12 @@
+return {
+  {
+    Meta = function(meta)
+      -- The call to `MetaInlines` is redundant and used for testing purposes
+      -- only. The explicit use of a MetaValue constructor is only useful when
+      -- used with an empty table: `MetaInlines{}` is read differently than
+      -- `MetaBlocks{}`.
+      meta.title = pandoc.MetaInlines{pandoc.SmallCaps(meta.title)}
+      return meta
+    end
+  }
+}
diff --git a/test/lua/strmacro.lua b/test/lua/strmacro.lua
new file mode 100644
index 000000000..a2711798a
--- /dev/null
+++ b/test/lua/strmacro.lua
@@ -0,0 +1,11 @@
+return {
+  {
+    Str = function (elem)
+      if elem.text == "{{helloworld}}" then
+        return pandoc.Emph {pandoc.Str "Hello, World"}
+      else
+        return elem
+      end
+    end,
+  }
+}
diff --git a/test/lua/test-pandoc-utils.lua b/test/lua/test-pandoc-utils.lua
new file mode 100644
index 000000000..c732d2f85
--- /dev/null
+++ b/test/lua/test-pandoc-utils.lua
@@ -0,0 +1,115 @@
+utils = require 'pandoc.utils'
+
+-- hierarchicalize
+------------------------------------------------------------------------
+function test_hierarchicalize ()
+  local blks = {
+    pandoc.Header(1, {pandoc.Str 'First'}),
+    pandoc.Header(2, {pandoc.Str 'Second'}),
+    pandoc.Header(2, {pandoc.Str 'Third'}),
+  }
+  local hblks = utils.hierarchicalize(blks)
+  return hblks[1].t == "Sec"
+    and hblks[1].contents[1].t == "Sec"
+    and hblks[1].contents[2].numbering[1] == 1
+    and hblks[1].contents[2].numbering[2] == 2
+end
+
+-- SHA1
+------------------------------------------------------------------------
+function test_sha1 ()
+  local ref_hash = '0a0a9f2a6772942557ab5355d76af442f8f65e01'
+  local hash = utils.sha1 'Hello, World!'
+  return hash == ref_hash
+end
+
+-- Pipe
+------------------------------------------------------------------------
+function file_exists (filename)
+  local fh = io.open(filename, 'r')
+  return fh ~= nil and (fh:close() or true)
+end
+
+function warn (...) io.stderr:write(...) end
+
+function test_pipe ()
+  if not file_exists('/bin/sed') then
+    warn 'Did not find /bin/sed, skipping test'
+    return true
+  end
+  local pipe_result = pandoc.pipe('/bin/sed', {'-e', 's/a/b/'}, 'abc')
+  return pipe_result == 'bbc'
+end
+
+function test_failing_pipe ()
+  if not file_exists('/bin/false') then
+    warn 'Did not find /bin/false, skipping test'
+    return true
+  end
+  local res, err = pcall(pandoc.pipe, '/bin/false', {}, 'abc')
+  return not res and
+    err.command == '/bin/false' and
+    err.error_code == 1 and
+    err.output == ''
+end
+
+-- Read
+------------------------------------------------------------------------
+function test_read ()
+  local valid_markdown = '*Hello*, World!\n'
+  local res = pandoc.read(valid_markdown).blocks[1].content
+  return res[1].t == 'Emph' and res[3].t == 'Space' and res[4].t == 'Str'
+end
+
+function test_failing_read ()
+  local res, err = pcall(pandoc.read, 'foo', 'nosuchreader')
+  return not res and err:match 'Unknown reader: nosuchreader'
+end
+
+-- Stringify
+------------------------------------------------------------------------
+function test_stringify ()
+  local inline = pandoc.Emph{
+    pandoc.Str 'Cogito',
+    pandoc.Space(),
+    pandoc.Str 'ergo',
+    pandoc.Space(),
+    pandoc.Str 'sum.',
+  }
+  return utils.stringify(inline) == 'Cogito ergo sum.'
+end
+
+-- to_roman_numeral
+------------------------------------------------------------------------
+function test_to_roman_numeral ()
+  return utils.to_roman_numeral(1888) == 'MDCCCLXXXVIII'
+    -- calling with a string fails
+    and not pcall(utils.to_roman_numeral, 'not a number')
+end
+
+-- normalize_date
+------------------------------------------------------------------------
+function test_normalize_date ()
+  return utils.normalize_date("12/31/2017") == '2017-12-31'
+    and utils.normalize_date("pandoc") == nil
+end
+
+-- Return result
+------------------------------------------------------------------------
+function run(fn)
+  return fn() and "OK" or "FAIL"
+end
+
+function Para (el)
+  return {
+    pandoc.Plain{pandoc.Str("hierarchicalize: " .. run(test_hierarchicalize))},
+    pandoc.Plain{pandoc.Str("normalize_date: " .. run(test_normalize_date))},
+    pandoc.Plain{pandoc.Str("pipe: " .. run(test_pipe))},
+    pandoc.Plain{pandoc.Str("failing pipe: " .. run(test_failing_pipe))},
+    pandoc.Plain{pandoc.Str("read: " .. run(test_read))},
+    pandoc.Plain{pandoc.Str("failing read: " .. run(test_failing_read))},
+    pandoc.Plain{pandoc.Str("sha1: " .. run(test_sha1))},
+    pandoc.Plain{pandoc.Str("stringify: " .. run(test_stringify))},
+    pandoc.Plain{pandoc.Str("to_roman_numeral: " .. run(test_to_roman_numeral))},
+  }
+end
diff --git a/test/lua/undiv.lua b/test/lua/undiv.lua
new file mode 100644
index 000000000..1cbb6d30e
--- /dev/null
+++ b/test/lua/undiv.lua
@@ -0,0 +1,3 @@
+function Div(el)
+  return el.content
+end
diff --git a/test/lua/uppercase-header.lua b/test/lua/uppercase-header.lua
new file mode 100644
index 000000000..8e86911c0
--- /dev/null
+++ b/test/lua/uppercase-header.lua
@@ -0,0 +1,9 @@
+local text = require 'text'
+
+local function str_to_uppercase (s)
+  return pandoc.Str(text.upper(s.text))
+end
+
+function Header (el)
+  return pandoc.walk_block(el, {Str = str_to_uppercase})
+end