hledger/tests/budget/forecast.test
Alex Chen 519297051d lib: restore previous period expression parser behaviour (PR #807)
- parse a period expression by first extracting words separated by
  single spaces, then by "re-parsing" this text with 'periodexprp'
- this way, the period expression parsers do not need to know about
  the single- or double-space rules
2018-11-22 14:09:32 -08:00

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# Test generation of periodic transactions with --forecast.
# Note periodic transaction tests should include a regular transaction
# to pin the start date of forecasted transactions.
# 1. A balance report with forecasted transactions.
hledger bal -M -b 2016-11 -e 2017-02 -f - --forecast
<<<
2016/12/31
expenses:housing $600
assets:cash
~ monthly from 2016/1
income $-1000
expenses:food $20
expenses:leisure $15
expenses:grocery $30
assets:cash
>>>
Balance changes in 2016/12/01-2017/01/31:
|| Dec Jan
==================++===============
assets:cash || $-600 $935
expenses:food || 0 $20
expenses:grocery || 0 $30
expenses:housing || $600 0
expenses:leisure || 0 $15
income || 0 $-1000
------------------++---------------
|| 0 0
>>>2
>>>=0
# 2. print forecasted transactions, with status and description.
hledger print -b 2016-11 -e 2017-02 -f - --forecast
<<<
2016/12/31
expenses:housing $600
assets:cash
~ monthly from 2016/1 * marked cleared, and with a description
income $-1000
expenses:food $20
expenses:leisure $15
expenses:grocery $30
assets:cash
>>>
2016/12/31
expenses:housing $600
assets:cash
2017/01/01 * marked cleared, and with a description
; recur: monthly from 2016/1
income $-1000
expenses:food $20
expenses:leisure $15
expenses:grocery $30
assets:cash
>>>2
>>>=0
# 3. A register with forecasted transactions, with a comment and tag.
hledger register -b 2016-11 -e 2017-02 -f - --forecast tag:a
<<<
2016/12/31
expenses:housing $600
assets:cash
~ monthly from 2016/1 ; or a comment, maybe with a:tag
income $-1000
expenses:food $20
expenses:leisure $15
expenses:grocery $30
assets:cash
>>>
2017/01/01 income $-1000 $-1000
expenses:food $20 $-980
expenses:leisure $15 $-965
expenses:grocery $30 $-935
assets:cash $935 0
>>>2
>>>=0
# 4. Check that --forecast generates transactions only after last transaction date in journal.
hledger register -b 2015-12 -e 2017-02 -f - assets:cash --forecast
<<<
2016/01/01
expenses:fun $10 ; more fireworks
assets:cash
2016/12/02
expenses:housing $600
assets:cash
~ yearly from 2016
income $-10000 ; bonus
assets:cash
>>>
2016/01/01 assets:cash $-10 $-10
2016/12/02 assets:cash $-600 $-610
2017/01/01 assets:cash $10000 $9390
>>>2
>>>=0
# 5. Y affects M/D partial dates in periodic transactions.
# The recur tag shows the original period expression and is not modified.
hledger -f - print --forecast desc:forecast
<<<
Y 2000
~ 2/1 forecast
; a real transaction to set the start of the forecast window
2000/1/1 real
>>>
2000/02/01 forecast
; recur: 2/1
>>>2
>>>=0
# 6. Y also sets the month to 1, affecting D dates:
hledger -f - print --forecast desc:forecast
<<<
Y 2000
~ 15 forecast
; a real transaction to set the start of the forecast window
2000/1/1 real
>>>
2000/01/15 forecast
; recur: 15
>>>2
>>>=0
# 7. Y also sets the day to 1, affecting relative dates:
hledger -f - print --forecast desc:forecast
<<<
Y 2000
~ next month forecast
; a real transaction to set the start of the forecast window
2000/1/1 real
>>>
2000/02/01 forecast
; recur: next month
>>>2
>>>=0