[WIP] Test of `patatools convert FOO` works

- Errors are not tested yet
- Pylint may fail

patacrep/tools/convert/__main__.py

@@ -25,15 +25,15 @@ def confirm(destname):
 def main(args=None):
     """Main function: run from command line."""
     if args is None:
-        args = sys.argv[1:]
-    if len(args) < 3:
+        args = sys.argv
+    if len(args) < 4:
         LOGGER.error("Invalid number of arguments.")
         LOGGER.error("Usage: %s", _usage())
         sys.exit(1)
 
-    source = args[0]
-    dest = args[1]
-    song_files = args[2:]
+    source = args[1]
+    dest = args[2]
+    song_files = args[3:]
 
     renderers = files.load_plugins(
         datadirs=DEFAULT_CONFIG.get('datadir', []),

test/test_patatools/test_convert.py

@@ -0,0 +1,85 @@
+"""Tests of the patatools-convert command."""
+
+# pylint: disable=too-few-public-methods
+
+from pkg_resources import resource_filename
+import contextlib
+import glob
+import os
+import shutil
+import unittest
+
+from patacrep import files
+from patacrep.tools.__main__ import main as tools_main
+from patacrep.encoding import open_read
+from patacrep.tools.convert.__main__ import main as convert_main
+from patacrep.songbook.__main__ import main as songbook_main
+
+from .. import dynamic
+from .. import logging_reduced
+
+class TestConvert(unittest.TestCase, metaclass=dynamic.DynamicTest):
+    """Test of the "patatools convert" subcommand"""
+
+    def _system(self, main, args):
+        try:
+            main(args)
+        except SystemExit as systemexit:
+            return systemexit.code
+        return 0
+
+    def assertConvert(self, basename, in_format, out_format):
+        """Test of the "patatools convert" subcommand"""
+        sourcename = "{}.{}".format(basename, in_format)
+        destname = "{}.{}".format(basename, out_format)
+        controlname = "{}.{}.control".format(sourcename, out_format)
+        for main, args in [
+                (tools_main, ["patatools", "convert"]),
+                (convert_main, ["patatools-convert"]),
+            ]:
+            with self.subTest(main=main, args=args):
+                with self.chdir("test_convert_success"):
+                    with open_read(controlname) as controlfile:
+                        with logging_reduced():
+                            if os.path.exists(destname):
+                                os.remove(destname)
+                            self._system(main, args + [in_format, out_format, sourcename])
+                            expected = controlfile.read().strip().replace(
+                                "@TEST_FOLDER@",
+                                files.path2posix(resource_filename(__name__, "")),
+                                )
+                            with open_read(destname) as destfile:
+                                self.assertMultiLineEqual(
+                                    destfile.read().strip(),
+                                    expected,
+                                    )
+
+    @staticmethod
+    @contextlib.contextmanager
+    def chdir(*path):
+        """Context to temporarry change current directory, relative to this file directory
+        """
+        with files.chdir(resource_filename(__name__, ""), *path):
+            yield
+
+    @classmethod
+    def _iter_testmethods(cls):
+        """Iterate over song files to test."""
+        with cls.chdir("test_convert_success"):
+            for control in sorted(glob.glob('*.*.*.control')):
+                [*base, in_format, out_format, _] = control.split('.')
+                base = '.'.join(base)
+                yield (
+                    "test_{}_{}_{}".format(base, in_format, out_format),
+                    cls._create_test(base, in_format, out_format),
+                    )
+
+    @classmethod
+    def _create_test(cls, base, in_format, out_format):
+        """Return a function testing that `base` compilation from `in_format` to `out_format` format.
+        """
+        test_parse_render = lambda self: self.assertConvert(base, in_format, out_format)
+        test_parse_render.__doc__ = (
+            "Test that '{base}.{in_format}' is correctly converted to '{out_format}'."
+            ).format(base=os.path.basename(base), in_format=in_format, out_format=out_format)
+        return test_parse_render

test/test_patatools/test_convert_errors/song.tsg

@@ -0,0 +1,12 @@
+\beginsong{Wonderful song}
+  [by={Anonymous}]
+
+  \begin{verse}
+    \[A]La la la\\
+  \end{verse}
+
+  \begin{chorus}
+    \[C]La la la\\
+  \end{chorus}
+
+\endsong

test/test_patatools/test_convert_success/.gitignore

@@ -0,0 +1 @@
+greensleeves.tsg

test/test_patatools/test_convert_success/greensleeves.csg

@@ -0,0 +1,45 @@
+{lang: en}
+{columns: 2}
+{title: Greensleeves}
+{title: Un autre sous-titre}
+{title: Un sous titre}
+{artist:  Traditionnel}
+{album: Angleterre}
+
+
+A[Am]las, my love, ye [G]do me wrong
+To [Am]cast me oft dis[E]curteously
+And [Am]I have loved [G]you so long
+De[Am]lighting [E]in your [Am]companie
+
+
+{start_of_chorus}
+    [C]Green[B]sleeves was [G]all my joy
+    [Am]Greensleeves was [E]my delight
+    [C]Greensleeves was my [G]heart of gold
+    And [Am]who but [E]Ladie [Am]Greensleeves
+{end_of_chorus}
+
+
+I [Am]have been ready [G]at your hand
+To [Am]grant what ever [E]you would crave
+I [Am]have both waged [G]life and land
+Your [Am]love and [E]good will [Am]for to have
+
+
+I [Am]bought thee kerchers [G]to thy head
+That [Am]were wrought fine and [E]gallantly
+I [Am]kept thee both at [G]boord and bed
+Which [Am]cost my [E]purse well [Am]favouredly
+
+
+I [Am]bought thee peticotes [G]of the best
+The [Am]cloth so fine as [E]fine might be
+I [Am]gave thee jewels [G]for thy chest
+And [Am]all this [E]cost I [Am]spent on thee
+
+
+Thy [Am]smock of silke, both [G]faire and white
+With [Am]gold embrodered [E]gorgeously
+Thy [Am]peticote of [G]sendall right
+And [Am]this I [E]bought thee [Am]gladly

test/test_patatools/test_convert_success/greensleeves.csg.tsg.control

@@ -0,0 +1,62 @@
+\selectlanguage{english}
+\songcolumns{2}
+
+\beginsong{Greensleeves\\
+Un autre sous-titre\\
+Un sous titre}[
+  by={
+         Traditionnel  },
+  album={Angleterre},
+]
+
+
+
+
+\begin{verse}
+    A\[Am]las, my love, ye \[G]do me wrong
+    To \[Am]cast me oft dis\[E]curteously
+    And \[Am]I have loved \[G]you so long
+    De\[Am]lighting \[E]in your \[Am]companie
+\end{verse}
+
+
+\begin{chorus}
+    \[C]Green\[B]sleeves was \[G]all my joy
+    \[Am]Greensleeves was \[E]my delight
+    \[C]Greensleeves was my \[G]heart of gold
+    And \[Am]who but \[E]Ladie \[Am]Greensleeves
+\end{chorus}
+
+
+\begin{verse}
+    I \[Am]have been ready \[G]at your hand
+    To \[Am]grant what ever \[E]you would crave
+    I \[Am]have both waged \[G]life and land
+    Your \[Am]love and \[E]good will \[Am]for to have
+\end{verse}
+
+
+\begin{verse}
+    I \[Am]bought thee kerchers \[G]to thy head
+    That \[Am]were wrought fine and \[E]gallantly
+    I \[Am]kept thee both at \[G]boord and bed
+    Which \[Am]cost my \[E]purse well \[Am]favouredly
+\end{verse}
+
+
+\begin{verse}
+    I \[Am]bought thee peticotes \[G]of the best
+    The \[Am]cloth so fine as \[E]fine might be
+    I \[Am]gave thee jewels \[G]for thy chest
+    And \[Am]all this \[E]cost I \[Am]spent on thee
+\end{verse}
+
+
+\begin{verse}
+    Thy \[Am]smock of silke, both \[G]faire and white
+    With \[Am]gold embrodered \[E]gorgeously
+    Thy \[Am]peticote of \[G]sendall right
+    And \[Am]this I \[E]bought thee \[Am]gladly
+\end{verse}
+
+\endsong