def test_expr(self):
for text, node in (
('$a', _SimpleExpression('a', '$a')),
('$a1', _SimpleExpression('a1', '$a1')),
('${ab}', _SimpleExpression('ab', '${ab}')),
('${ab:-}',
_Expression('ab', ':', '-', [], '${ab:-}')),
('${ab:-${foo}}',
_Expression('ab', ':', '-', [_SimpleExpression('foo', '${foo}')],
'${ab:-${foo}}')),
('${ab:-${cd:-${foo}}}',
_Expression(
'ab', ':', '-',
[_Expression(
'cd', ':', '-',
[_SimpleExpression('foo', '${foo}')],
'${cd:-${foo}}'),
],
'${ab:-${cd:-${foo}}}')),
):
g = _grammar(text)
self.expectThat(g.expr(), Equals(node))
for notname in ('1', ' ', '{'):
g = _grammar(notname)
self.expectThat(g.expr, Raises())
def test_name(self):
for name in ('a', '_', 'A', 'ba', 'b_', 'b1', 'bA', '_a', '_1', '_A',
'Aa', 'A_', 'A0', 'adsd2343aweawe_'):
g = _grammar(name)
self.expectThat(g.name(), Equals(name))
for notname in ('1', ' ', '{'):
g = _grammar(notname)
self.expectThat(g.name, Raises())
def test_name(self):
for name in (
'a', '_', 'A', 'ba', 'b_', 'b1', 'bA', '_a', '_1', '_A', 'Aa',
'A_', 'A0', 'adsd2343aweawe_'):
g = _grammar(name)
self.expectThat(g.name(), Equals(name))
for notname in ('1', ' ', '{'):
g = _grammar(notname)
self.expectThat(g.name, Raises())
def test_notexpr(self):
for text, node in (
('1', _Literal('1')),
('a', _Literal('a')),
('a1', _Literal('a1')),
('$', _Literal('$')),
('$1', _Literal('$1')),
):
g = _grammar(text)
self.expectThat(g.notexpr(), Equals(node))
for expr in ('$a', ):
g = _grammar(expr)
self.expectThat(g.notexpr, Raises())
def test_notexpr(self):
for text, node in (
('1', _Literal('1')),
('a', _Literal('a')),
('a1', _Literal('a1')),
('$', _Literal('$')),
('$1', _Literal('$1')),
):
g = _grammar(text)
self.expectThat(g.notexpr(), Equals(node))
for expr in ('$a', ):
g = _grammar(expr)
self.expectThat(g.notexpr, Raises())
def test_string(self):
for text, nodes in (
('', []),
('1', [_Literal('1')]),
('$1', [_Literal('$1')]),
('1$a', [_Literal('1'), _SimpleExpression('a', '$a')]),
('1$a$b', [
_Literal('1'), _SimpleExpression('a', '$a'),
_SimpleExpression('b', '$b')]),
('1$a2$b3', [
_Literal('1'), _SimpleExpression('a2', '$a2'),
_SimpleExpression('b3', '$b3')]),
('1$a 2$b 3', [
_Literal('1'), _SimpleExpression('a', '$a'), _Literal(' 2'),
_SimpleExpression('b', '$b'),
_Literal(' 3')]),
('1${ab:-${cd:-${foo}}}2', [
_Literal('1'),
_Expression(
'ab', ':', '-',
[_Expression(
'cd', ':', '-',
[_SimpleExpression('foo', '${foo}')],
'${cd:-${foo}}'),
],
'${ab:-${cd:-${foo}}}'),
_Literal('2'),
]),
):
g = _grammar(text)
self.expectThat(g.string(), Equals(nodes))
def test_expr(self):
for text, node in (
('$a', _SimpleExpression('a', '$a')),
('$a1', _SimpleExpression('a1', '$a1')),
('${ab}', _SimpleExpression('ab', '${ab}')),
('${ab:-}', _Expression('ab', ':', '-', [], '${ab:-}')),
('${ab:-${foo}}',
_Expression('ab', ':', '-', [_SimpleExpression('foo', '${foo}')],
'${ab:-${foo}}')),
('${ab:-${cd:-${foo}}}',
_Expression('ab', ':', '-', [
_Expression('cd', ':', '-',
[_SimpleExpression('foo', '${foo}')],
'${cd:-${foo}}'),
], '${ab:-${cd:-${foo}}}')),
):
g = _grammar(text)
self.expectThat(g.expr(), Equals(node))
for notname in ('1', ' ', '{'):
g = _grammar(notname)
self.expectThat(g.expr, Raises())
def test_string(self):
for text, nodes in (
('', []),
('1', [_Literal('1')]),
('$1', [_Literal('$1')]),
('1$a', [_Literal('1'),
_SimpleExpression('a', '$a')]),
('1$a$b', [
_Literal('1'),
_SimpleExpression('a', '$a'),
_SimpleExpression('b', '$b')
]),
('1$a2$b3', [
_Literal('1'),
_SimpleExpression('a2', '$a2'),
_SimpleExpression('b3', '$b3')
]),
('1$a 2$b 3', [
_Literal('1'),
_SimpleExpression('a', '$a'),
_Literal(' 2'),
_SimpleExpression('b', '$b'),
_Literal(' 3')
]),
('1${ab:-${cd:-${foo}}}2', [
_Literal('1'),
_Expression('ab', ':', '-', [
_Expression('cd', ':', '-',
[_SimpleExpression('foo', '${foo}')],
'${cd:-${foo}}'),
], '${ab:-${cd:-${foo}}}'),
_Literal('2'),
]),
):
g = _grammar(text)
self.expectThat(g.string(), Equals(nodes))
