sys-file-reader: Add tests.

[pspp] / tests / data / sys-file.at

diff --git a/tests/data/sys-file.at b/tests/data/sys-file.at
index e726d535404934a6396a640681904baa570f0c2b..5bd505c1ff6224f3c6271a9ec55d75a6c8133711 100644 (file)
--- a/tests/data/sys-file.at
+++ b/tests/data/sys-file.at
@@ -55,14 +55,78 @@ GET FILE='com.sav'.
 LIST.
 ])
 AT_CHECK([pspp -o pspp.csv sysfile.sps])
-dnl Make sure file really was compressd.
-AT_CHECK([dd if=com.sav bs=1 skip=72 count=4 2> /dev/null | od | sed '1q' > com.txt])
-dnl Allow big- or little-endian format.
+dnl Make sure file really was compressd, allowing big- or little-endian format.
+AT_CHECK([dd if=com.sav bs=1 skip=72 count=4 2> /dev/null > com.sav.subset])
+od com.sav.subset
 AT_CHECK(
-  [(echo '0000000 000000 000001' | diff com.txt -) ||
-   (echo '0000000 000001 000000' | diff com.txt -)], [0],
+  [(printf '\000\000\000\001' | cmp -l com.sav.subset -) ||
+   (printf '\001\000\000\000' | cmp -l com.sav.subset -)], [0],
   [ignore])
-AT_CAPTURE_FILE([com.txt])
+AT_CLEANUP
+
+AT_SETUP([overwriting system file])
+AT_DATA([output.sav], [abcdef
+])
+cp output.sav output.sav.backup
+AT_DATA([sysfile.sps], [dnl
+DATA LIST NOTABLE/x 1.
+BEGIN DATA.
+5
+END DATA.
+SAVE OUTFILE='output.sav'.
+])
+AT_CHECK([pspp -O format=csv sysfile.sps])
+AT_CHECK([cmp output.sav output.sav.backup], [1], [ignore])
+AT_CLEANUP
+
+AT_SETUP([overwriting system file atomically])
+AT_DATA([output.sav], [abcdef
+])
+cp output.sav output.sav.backup
+AT_DATA([sysfile.sps],
+[[DATA LIST NOTABLE/x 1.
+BEGIN DATA.
+5
+END DATA.
+XSAVE OUTFILE='output.sav'.
+HOST COMMAND=['kill -TERM $PPID'].
+]])
+AT_CHECK([pspp -O format=csv sysfile.sps], [143], [], [ignore])
+AT_CHECK([cmp output.sav output.sav.backup])
+AT_CHECK(
+  [for file in *.tmp*; do if test -e $file; then echo $file; exit 1; fi; done])
+AT_CLEANUP
+
+
+AT_SETUP([write to same system file being read])
+AT_DATA([save.sps], [dnl
+DATA LIST NOTABLE/x 1.
+BEGIN DATA.
+3
+END DATA.
+SAVE OUTFILE='data.sav'.
+])
+AT_CHECK([pspp -O format=csv save.sps])
+AT_CHECK([test -s data.sav])
+AT_CHECK(
+  [for file in *.tmp*; do if test -e $file; then echo $file; exit 1; fi; done])
+AT_DATA([save2.sps], [dnl
+GET FILE='data.sav'.
+COMPUTE y = x * 3.
+SAVE OUTFILE='data.sav'.
+])
+AT_CHECK([pspp -O format=csv save2.sps])
+AT_CHECK(
+  [for file in *.tmp*; do if test -e $file; then echo $file; exit 1; fi; done])
+AT_DATA([save3.sps], [dnl
+GET FILE='data.sav'.
+LIST.
+])
+AT_CHECK([pspp -O format=csv save3.sps], [0], [dnl
+Table: Data List
+x,y
+3,9.00
+])
 AT_CLEANUP
 
 AT_SETUP([nonempty case_map doesn't crash])