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Use pytest.raises for asserting compiler exceptions

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This commit is contained in:
Simon Gomizelj 2018-03-12 01:44:57 -04:00
parent 6d977ab541
commit e3f4fc8481
1 changed files with 14 additions and 35 deletions
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49
tests/compilers/test_ast.py
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@ -459,12 +459,9 @@ def test_lambda_list_keywords_mixed():
def test_missing_keyword_argument_value():
"""Ensure the compiler chokes on missing keyword argument values."""
try:
with pytest.raises(HyTypeError) as excinfo:
can_compile("((fn [x] x) :x)")
except HyTypeError as e:
assert(e.message == "Keyword argument :x needs a value.")
else:
assert(False)
assert excinfo.value.message == "Keyword argument :x needs a value."
def test_ast_unicode_strings():
@ -515,50 +512,32 @@ Only one leading newline should be removed.
def test_compile_error():
"""Ensure we get compile error in tricky cases"""
try:
with pytest.raises(HyTypeError) as excinfo:
can_compile("(fn [] (in [1 2 3]))")
except HyTypeError as e:
assert(e.message == "`in' needs 2 arguments, got 1")
else:
assert(False)
assert excinfo.value.message == "`in' needs 2 arguments, got 1"
def test_for_compile_error():
"""Ensure we get compile error in tricky 'for' cases"""
try:
with pytest.raises(LexException) as excinfo:
can_compile("(fn [] (for)")
except LexException as e:
assert(e.message == "Premature end of input")
else:
assert(False)
assert excinfo.value.message == "Premature end of input"
try:
with pytest.raises(LexException) as excinfo:
can_compile("(fn [] (for)))")
except LexException as e:
assert(e.message == "Ran into a RPAREN where it wasn't expected.")
else:
assert(False)
assert excinfo.value.message == "Ran into a RPAREN where it wasn't expected."
try:
with pytest.raises(HyTypeError) as excinfo:
can_compile("(fn [] (for [x] x))")
except HyTypeError as e:
assert(e.message == "`for' requires an even number of args.")
else:
assert(False)
assert excinfo.value.message == "`for' requires an even number of args."
try:
with pytest.raises(HyTypeError) as excinfo:
can_compile("(fn [] (for [x xx]))")
except HyTypeError as e:
assert(e.message == "`for' requires a body to evaluate")
else:
assert(False)
assert excinfo.value.message == "`for' requires a body to evaluate"
try:
with pytest.raises(HyTypeError) as excinfo:
can_compile("(fn [] (for [x xx] (else 1)))")
except HyTypeError as e:
assert(e.message == "`for' requires a body to evaluate")
else:
assert(False)
assert excinfo.value.message == "`for' requires a body to evaluate"
def test_attribute_access():