def testStringKey(self):
p=Parser('foo=42')
self.assertTrue(p.kvpair())
result = p.result
self.assertTrue(isinstance(result, fern.ast.kvpair.KVPair))
self.assertEqual(result.key, 'foo')
self.assertEqual(result.value, 42)
def testAlone(self):
p = Parser('42 goop {a=3} [5 4]')
p.itemstream()
result = p.result
self.assertEqual(result[0], 42)
self.assertEqual(result[1].name, 'goop')
self.assertEqual(result[2].eval(), {'a':3})
self.assertEqual(result[3].eval(), [5, 4])
def testInRootMap(self):
p = Parser('''
-- first comment
foo = 23 -- 23 means nothing
-- all done
''')
m = p.parse()
self.assertEqual(m['foo'], 23)
def setUp(self):
p = Parser(
'''let a=4 b='hey' in
root_var = [a b]
end
list = [1 let x=4 in {f = x} end 'arg']
var = let y='herp' in {saying=y} end
''')
self.root = p.parse()
def setUp(self):
p = Parser('''
f = function() {urk = 42} end
person = function(name age) {
name = name
age = age
} end
oop = f()
p = person('Joe' 42)
''')
self.root = p.parse()
class Basics(unittest.TestCase):
def setUp(self):
self.p = Parser("foo= 42@'bar' = 'ggg'")
self.fdg = self.p.parse()
def testIsMap(self):
self.assertTrue(isinstance(self.fdg, fern.ast.Map))
def testKeys(self):
self.assertEqual(self.fdg['foo'], 42)
self.assertEqual(self.fdg['bar'], 'ggg')
def testKVPairsIf(self):
p = Parser('''
var = true
var2 = 'f'
if var then
foo = 3
bar = 4
elif var2 then
foo = 4
bar = 3
else
ggg = 5
end
''')
m = p.parse()
self.assertEqual(m.eval(), {'var':True,'var2':'f','foo':3,'bar':4})
m.set_key('var', False)
self.assertEqual(m.eval(), {'var':False,'var2':'f','foo':4,'bar':3})
m.set_key('var2', False)
self.assertEqual(m.eval(), {'var':False,'var2':False,'ggg':5})
def testItemsIf(self):
p = Parser('''
var = true
var2 = true
list = [
'first'
if var then
1 'foo' {}
elif var2 then
14 [] var
else
'ack'
end
'last'
]
''')
m = p.parse()
self.assertEqual(m['list'], ['first', 1, 'foo', {}, 'last'])
m.set_key('var', False)
self.assertEqual(m['list'], ['first', 14, [], False, 'last'])
m.set_key('var2', False)
self.assertEqual(m['list'], ['first', 'ack', 'last'])
def setUp(self):
self.p = Parser("foo= 42@'bar' = 'ggg'")
self.fdg = self.p.parse()
def testItemIf(self):
p = Parser('var = false foo = if var then 13 else 17 end')
m = p.parse()
self.assertEqual(m['foo'], 17)
m.set_key('var', True)
self.assertEqual(m['foo'], 13)
def testFalse(self):
p=Parser('false')
p.bool()
self.assertEqual(p.result, False)
def testTrue(self):
p=Parser('true')
p.bool()
self.assertEqual(p.result, True)
def testExpression(self):
p=Parser('true')
p.expression()
self.assertEqual(p.result, True)
def testAcceptsFileLike(self):
f = StringIO("foo=17 bar='ughu'")
p = Parser(f)
m = p.parse()
self.assertEqual(m['foo'], 17)
self.assertEqual(m['bar'], 'ughu')
def testStringToString(self):
p=Parser("foo='bar'")
self.assertTrue(p.kvpair())
result = p.result
self.assertEqual(result.key, 'foo')
self.assertEqual(result.value, 'bar')
def testWithMaps(self):
p=Parser('a={bar=42} b={foo=a}')
m = p.parse()
self.assertEqual(m.eval(), {'a':{'bar':42}, 'b':{'foo':{'bar':42}}})
def testBasic(self):
p=Parser('a=3 b=a')
m = p.parse()
self.assertEqual(m['b'], 3)
m.set_key('a', 5)
self.assertEqual(m['b'], 5)
def testAlone(self):
p=Parser('foo')
self.assertTrue(p.nameref())
self.assertEqual(p.result.name, 'foo')
def testParseMap(self):
p=Parser("{a=42 b={foo='bar'} @'guh' = [3 4]}")
self.assertTrue(p.map())
self.assertEqual({'a':42,'b':{'foo':'bar'}, 'guh':[3, 4]}, p.result.eval())
def testParseEmptyMap(self):
p=Parser('{}')
self.assertTrue(p.map())
self.assertEqual({}, p.result.eval())
def testParseList(self):
p=Parser("[1 2 'foo' ['hey' 5] 4]")
self.assertTrue(p.list())
result = p.result
self.assertTrue(isinstance(result, fern.ast.List))
self.assertEqual(result.eval(), [1, 2, 'foo', ['hey', 5], 4])
def testAtKey(self):
p=Parser("@'foo'=42")
self.assertTrue(p.kvpair())
result = p.result
self.assertEqual(result.key, 'foo')
self.assertEqual(result.value, 42)
def testParseEmptyList(self):
p=Parser("[]")
self.assertTrue(p.list())
self.assertEqual([], p.result.eval())
