mirror of
https://github.com/mcuadros/ascode
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56 lines
1.5 KiB
Go
56 lines
1.5 KiB
Go
package test
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const assertStarFile = `
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# Predeclared built-ins for this module:
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#
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# error(msg): report an error in Go's test framework without halting execution.
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# This is distinct from the built-in fail function, which halts execution.
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# catch(f): evaluate f() and returns its evaluation error message, if any
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# matches(str, pattern): report whether str matches regular expression pattern.
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# module(**kwargs): a constructor for a module.
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# _freeze(x): freeze the value x and everything reachable from it.
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#
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# Clients may use these functions to define their own testing abstractions.
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def _eq(x, y):
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if x != y:
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error("%r != %r" % (x, y))
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def _ne(x, y):
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if x == y:
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error("%r == %r" % (x, y))
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def _true(cond, msg = "assertion failed"):
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if not cond:
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error(msg)
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def _lt(x, y):
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if not (x < y):
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error("%s is not less than %s" % (x, y))
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def _contains(x, y):
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if y not in x:
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error("%s does not contain %s" % (x, y))
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def _fails(f, pattern):
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"assert_fails asserts that evaluation of f() fails with the specified error."
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msg = catch(f)
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if msg == None:
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error("evaluation succeeded unexpectedly (want error matching %r)" % pattern)
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elif not matches(pattern, msg):
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error("regular expression (%s) did not match error (%s)" % (pattern, msg))
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freeze = _freeze # an exported global whose value is the built-in freeze function
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assert = module(
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"assert",
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fail = error,
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eq = _eq,
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ne = _ne,
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true = _true,
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lt = _lt,
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contains = _contains,
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fails = _fails,
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)
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`
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