hledger/tests/journal/parse-errors.test

# Testing parse error messages for accuracy and usefulness.

# A journal with an incomplete date.
<
2018

# XXX depends on the executable being named "hledger" (prepended by GHC.Err.error)
# 1.
$ hledger -f - print
>2
hledger: -:1:5:
  |
1 | 2018
  |     ^
unexpected newline
expecting date separator or digit

>=1

# A journal with an unbalanced transaction.
<
2018/1/1
  a  1

# 2. When read from stdin, this example actually passes because hledger tries all readers.
# If they all failed, it would show the error from the first (journal reader).
# But in this case the timedot reader can parse it.
$ hledger -f - print
>
2018/01/01 *
    (a)            1.00

>=

# 3. So in these tests we must sometimes force the desired format, like so.
# Now we see the error from the journal reader.
$ hledger -f journal:- print
>2 /could not balance this transaction \(real postings are off by 1\)/
>=1

# 4. We expect to have reference to line number with last posting
$ hledger -f journal:- print
>2 /\<2\>/
>=1

# A posting without two spaces between account and amount.
<
2018/1/1
  (a) 1

# 5. hledger doesn't detect this as an error directly, it parses account name "(a) 1" and
# amount 0 here.
$ hledger -f - print -x
2018/01/01
    (a) 1               0

>=

# 6. Two (or more) postings with implicit amount cannot be balanced.
<
2018/1/1
  a  1
  b
  c

$ hledger -f journal:- print
>2 /could not balance this transaction - can't have more than one real posting with no amount/
>=1

# 7. Two (or more) virtual postings with implicit amount cannot be balanced.
# (And the error message contains line numbers).
<
2018/1/1
  [a]  1
  [b]
  [c]

$ hledger -f journal:- print
>2 /lines 1-4/
>=1