mirror of
https://github.com/gristlabs/grist-core.git
synced 2024-10-27 20:44:07 +00:00
184 lines
8.1 KiB
Python
184 lines
8.1 KiB
Python
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# -*- coding: utf-8 -*-
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import unittest
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import codebuilder
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def make_body(formula, default=None):
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return codebuilder.make_formula_body(formula, default).get_text()
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class TestCodeBuilder(unittest.TestCase):
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def test_make_formula_body(self):
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# Test simple usage.
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self.assertEqual(make_body(""), "return None")
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self.assertEqual(make_body("", 0.0), "return 0.0")
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self.assertEqual(make_body("", ""), "return ''")
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self.assertEqual(make_body(" "), "return None")
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self.assertEqual(make_body(" ", "-"), "return '-'")
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self.assertEqual(make_body("\n\t"), "return None")
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self.assertEqual(make_body("$foo"), "return rec.foo")
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self.assertEqual(make_body("rec.foo"), "return rec.foo")
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self.assertEqual(make_body("return $foo"), "return rec.foo")
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self.assertEqual(make_body("return $f123"), "return rec.f123")
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self.assertEqual(make_body("return rec.foo"), "return rec.foo")
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self.assertEqual(make_body("$foo if $bar else max($foo.bar.baz)"),
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"return rec.foo if rec.bar else max(rec.foo.bar.baz)")
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# Check that we don't mistake our temporary representation of "$" for the real thing.
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self.assertEqual(make_body("return DOLLARfoo"), "return DOLLARfoo")
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# Test that we don't translate $foo inside string literals or comments.
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self.assertEqual(make_body("$foo or '$foo'"), "return rec.foo or '$foo'")
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self.assertEqual(make_body("$foo * 2 # $foo"), "return rec.foo * 2 # $foo")
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self.assertEqual(make_body("$foo * 2 # $foo\n$bar"), "rec.foo * 2 # $foo\nreturn rec.bar")
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self.assertEqual(make_body("$foo or '\\'$foo\\''"), "return rec.foo or '\\'$foo\\''")
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self.assertEqual(make_body('$foo or """$foo"""'), 'return rec.foo or """$foo"""')
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self.assertEqual(make_body('$foo or """Some "$foos" stay"""'),
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'return rec.foo or """Some "$foos" stay"""')
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# Check that we only insert a return appropriately.
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self.assertEqual(make_body('if $foo:\n return 1\nelse:\n return 2\n'),
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'if rec.foo:\n return 1\nelse:\n return 2\n')
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self.assertEqual(make_body('a = $foo\nmax(a, a*2)'), 'a = rec.foo\nreturn max(a, a*2)')
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# Check that return gets inserted correctly when there is a multi-line expression.
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self.assertEqual(make_body('($foo or\n $bar)'), 'return (rec.foo or\n rec.bar)')
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self.assertEqual(make_body('return ($foo or\n $bar)'), 'return (rec.foo or\n rec.bar)')
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self.assertEqual(make_body('if $foo: return 17'), 'if rec.foo: return 17')
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self.assertEqual(make_body('$foo\n# return $bar'), 'return rec.foo\n# return $bar')
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# Test that formulas with a single string literal work, including multi-line string literals.
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self.assertEqual(make_body('"test"'), 'return "test"')
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self.assertEqual(make_body('("""test1\ntest2\ntest3""")'), 'return ("""test1\ntest2\ntest3""")')
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self.assertEqual(make_body('"""test1\ntest2\ntest3"""'), 'return """test1\ntest2\ntest3"""')
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self.assertEqual(make_body('"""test1\\ntest2\\ntest3"""'), 'return """test1\\ntest2\\ntest3"""')
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# Same, with single quotes.
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self.assertEqual(make_body("'test'"), "return 'test'")
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self.assertEqual(make_body("('''test1\ntest2\ntest3''')"), "return ('''test1\ntest2\ntest3''')")
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self.assertEqual(make_body("'''test1\ntest2\ntest3'''"), "return '''test1\ntest2\ntest3'''")
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self.assertEqual(make_body("'''test1\\ntest2\\ntest3'''"), "return '''test1\\ntest2\\ntest3'''")
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# And with mixing quotes
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self.assertEqual(make_body("'''test1\"\"\" +\\\n \"\"\"test2'''"),
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"return '''test1\"\"\" +\\\n \"\"\"test2'''")
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self.assertEqual(make_body("'''test1''' +\\\n \"\"\"test2\"\"\""),
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"return '''test1''' +\\\n \"\"\"test2\"\"\"")
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self.assertEqual(make_body("'''test1\"\"\"\n\"\"\"test2'''"),
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"return '''test1\"\"\"\n\"\"\"test2'''")
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self.assertEqual(make_body("'''test1'''\n\"\"\"test2\"\"\""),
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"'''test1'''\nreturn \"\"\"test2\"\"\"")
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# Test that we produce valid code when "$foo" occurs in invalid places.
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self.assertEqual(make_body('foo($bar=1)'),
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"# foo($bar=1)\nraise SyntaxError('invalid syntax on line 1 col 5')")
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self.assertEqual(make_body('def $bar(): pass'),
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"# def $bar(): pass\nraise SyntaxError('invalid syntax on line 1 col 5')")
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# If $ is a syntax error, we don't want to turn it into a different syntax error.
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self.assertEqual(make_body('$foo + ("$%.2f" $ ($17.5))'),
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'# $foo + ("$%.2f" $ ($17.5))\n'
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"raise SyntaxError('invalid syntax on line 1 col 17')")
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self.assertEqual(make_body('if $foo:\n' +
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' return $foo\n' +
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'else:\n' +
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' return $ bar\n'),
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'# if $foo:\n' +
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'# return $foo\n' +
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'# else:\n' +
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'# return $ bar\n' +
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"raise SyntaxError('invalid syntax on line 4 col 10')")
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# Check for reasonable behaviour with non-empty text and no statements.
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self.assertEqual(make_body('# comment'), '# comment\npass')
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self.assertEqual(make_body('\\'), '\\\npass')
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self.assertEqual(make_body('rec = 1'), "# rec = 1\n" +
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"raise SyntaxError('Grist disallows assignment " +
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"to the special variable \"rec\" on line 1 col 1')")
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self.assertEqual(make_body('for rec in []: pass'), "# for rec in []: pass\n" +
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"raise SyntaxError('Grist disallows assignment " +
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"to the special variable \"rec\" on line 1 col 4')")
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# some legitimates use of rec
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body = ("""
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foo = rec
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rec.foo = 1
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[rec for x in rec]
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for a in rec:
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t = a
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[rec for x in rec]
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return rec
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""")
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self.assertEqual(make_body(body), body)
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# mostly legitimate use of rec but one failing
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body = ("""
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foo = rec
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rec.foo = 1
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[1 for rec in []]
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for a in rec:
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t = a
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[rec for x in rec]
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return rec
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""")
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self.assertRegexpMatches(make_body(body),
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r"raise SyntaxError\('Grist disallows assignment" +
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r" to the special variable \"rec\" on line 4 col 7'\)")
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def test_make_formula_body_unicode(self):
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# Test that we don't fail when strings include unicode characters
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self.assertEqual(make_body("'résumé' + $foo"), u"return 'résumé' + rec.foo")
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# Or when a unicode object is passed in, rather than a byte string
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self.assertEqual(make_body(u"'résumé' + $foo"), u"return 'résumé' + rec.foo")
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# Check the return type of make_body()
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self.assertEqual(type(make_body("foo")), unicode)
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self.assertEqual(type(make_body(u"foo")), unicode)
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def test_wrap_logical(self):
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self.assertEqual(make_body("IF($foo, $bar, $baz)"),
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"return IF(rec.foo, lambda: (rec.bar), lambda: (rec.baz))")
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self.assertEqual(make_body("return IF(FOO(x,y), BAR(x,y) * 2, BAZ(x,y) + 5)"),
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"return IF(FOO(x,y), lambda: (BAR(x,y) * 2), lambda: (BAZ(x,y) + 5))")
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self.assertEqual(make_body("""
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y = $Test
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x = IF( FOO(x,y) or 6,
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BAR($x,y).blahh ,
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Foo.lookupRecords(foo=$foo.bar,
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bar=True
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).baz
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)
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return x or y
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"""), """
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y = rec.Test
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x = IF( FOO(x,y) or 6,
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lambda: (BAR(rec.x,y).blahh) ,
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lambda: (Foo.lookupRecords(foo=rec.foo.bar,
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bar=True
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).baz)
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)
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return x or y
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""")
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self.assertEqual(make_body("IF($A == 0, IF($B > 5, 'Test1'), IF($C < 10, 'Test2', 'Test3'))"),
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"return IF(rec.A == 0, " +
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"lambda: (IF(rec.B > 5, lambda: ('Test1'))), " +
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"lambda: (IF(rec.C < 10, lambda: ('Test2'), lambda: ('Test3'))))"
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)
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def test_wrap_error(self):
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self.assertEqual(make_body("ISERR($foo.bar)"), "return ISERR(lambda: (rec.foo.bar))")
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self.assertEqual(make_body("ISERROR(1 / 0)"), "return ISERROR(lambda: (1 / 0))")
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self.assertEqual(make_body("IFERROR($foo + #\n 1 / 0, 'XX')"),
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"return IFERROR(lambda: (rec.foo + #\n 1 / 0), 'XX')")
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# Check that extra parentheses are OK.
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self.assertEqual(make_body("IFERROR((($foo + 1) / 0))"),
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"return IFERROR((lambda: ((rec.foo + 1) / 0)))")
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# Check that missing arguments is OK
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self.assertEqual(make_body("ISERR()"), "return ISERR()")
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