The present generation of unit tests not only verify perfect import, but
ensure that the outline has expected structure, more or less.
The outline of such tests is:
s = r'''
The input, maybe many lines.
'''
table = ( a list of expected headlines )
try:
c.importCommands.coffeeScriptUnitTest(p,s=s,showTree=True)
if 1: # Verify that the test produces the expected headlines.
p2 = c.p.firstChild().firstChild()
for h in table:
assert p2.h == h, (p2.h, h)
p2.moveToThreadNext()
finally:
if 1: # clean up
p.deleteAllChildren()
If the test produces a large outline, it would be unbearable to create the
table by hand. Instead, I used the following, now in scripts.leo:
@button make-table
'''
Create a table of expected headlines in a unit test.
After running this, copy the table from the console.
'''
g.cls()
# Proper escapes are tricky.
table = [
'"%s",' % p.h.replace('\\', '\\\\').replace('"', '\\"')
for p in c.p.subtree()
]
print("table = (\n %s\n)" % '\n '.join(table))
Python's string capabilities are yet another reason to love python. Much
better than snobol or icon, two old languages that were supposedly geared
to pattern matching and substitution.
Edward
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