[PATCH] test-merge-tools

[Mads Kiilerich]

# HG changeset patch
# User Mads Kiilerich <mads at kiilerich.com>
# Date 1231612403 -3600
# Node ID e81dc507f6df1fb0b92d68b50bcc53fa98749912
# Parent  6c89dd0a7797ae745eae566af2cbe3a5809f9535
test-merge-tools

Some tests of merge-tools configuration and selection, mostly excercising
filemerge.py

diff --git a/tests/test-merge-tools b/tests/test-merge-tools
new file mode 100755
--- /dev/null
+++ b/tests/test-merge-tools
@@ -0,0 +1,150 @@
+#!/bin/sh
+
+# test merge-tools configuration - mostly excercising filemerge.py
+
+unset HGMERGE # make sure HGMERGE doesn't interfere with the test
+
+hg init
+
+echo "# revision 0"
+echo "revision 0" > f
+echo "space" >> f
+hg commit -Am "revision 0" -d "1000000 0"
+
+echo "# revision 1"
+echo "revision 1" > f
+echo "space" >> f
+hg commit -Am "revision 1" -d "1000000 0"
+
+hg update 0 > /dev/null
+echo "# revision 2"
+echo "revision 2" > f
+echo "space" >> f
+hg commit -Am "revision 2" -d "1000000 0"
+
+hg update 0 > /dev/null
+echo "# revision 3 - simple to merge"
+echo "revision 3" >> f
+hg commit -Am "revision 3" -d "1000000 0"
+
+
+echo "[merge-tools]" > .hg/hgrc
+echo
+
+beforemerge() {
+  cat .hg/hgrc
+  echo "# hg update -C 1"
+  hg update -C 1 > /dev/null
+}
+
+aftermerge() {
+  echo "# cat f"
+  cat f
+  echo "# hg stat"
+  hg stat
+  rm -f f.orig
+  echo
+}
+
+domerge() {
+  beforemerge
+  echo "# hg merge $*"
+  hg merge $*
+  aftermerge
+}
+
+echo
+echo Tool selection
+echo
+
+echo "# default is internal merge:"
+domerge -r 2
+
+echo "# simplest hgrc using false for merge:"
+echo "false.whatever=" >> .hg/hgrc
+domerge -r 2
+
+echo "# true with higher .priority gets precedence:"
+echo "true.priority=1" >> .hg/hgrc
+domerge -r 2
+
+echo "# unless lowered on command line:"
+domerge -r 2 --config merge-tools.true.priority=-7
+
+echo "# or false set higher on command line:"
+domerge -r 2 --config merge-tools.false.priority=117
+
+echo "# or true.executable not found in PATH:"
+domerge -r 2 --config merge-tools.true.executable=nonexistingmergetool
+
+echo "# or true.executable with bogus path:"
+domerge -r 2 --config merge-tools.true.executable=/bin/nonexistingmergetool
+
+echo "# but true.executable set to cat found in PATH works:"
+echo "true.executable=cat" >> .hg/hgrc
+domerge -r 2
+
+echo "# and true.executable set to cat with path works:"
+domerge -r 2 --config merge-tools.true.executable=/bin/cat
+
+
+echo
+echo Tool selection and merge-patterns
+echo
+
+echo "# merge-patterns specifies new tool tac:"
+domerge -r 2 --config merge-patterns.f=tac
+
+echo "# merge-patterns specifies executable not found in PATH and gets warning:"
+domerge -r 2 --config merge-patterns.f=true --config merge-tools.true.executable=nonexistingmergetool
+
+echo "# merge-patterns specifies executable with bogus path and gets warning:"
+domerge -r 2 --config merge-patterns.f=true --config merge-tools.true.executable=/bin/nonexistingmergetool
+
+
+echo
+echo Premerge
+echo
+
+echo "# Default is silent simplemerge:"
+domerge -r 3
+
+echo "# .premerge=True is same:"
+domerge -r 3 --config merge-tools.true.premerge=True
+
+echo "# .premerge=False executes merge-tool:"
+domerge -r 3 --config merge-tools.true.premerge=False
+
+
+echo
+echo Tool execution
+echo
+
+echo '# set tools.args explicit to include $base $local $other $output:' # default '$local $base $other'
+beforemerge
+hg merge -r 2 --config merge-tools.true.executable=head --config merge-tools.true.args='$base $local $other $output' \
+  | sed 's,==> .* <==,==> ... <==,g'
+aftermerge
+
+echo '# Merge with "echo mergeresult > $local":'
+beforemerge
+hg merge -r 2 --config merge-tools.true.executable=echo --config merge-tools.true.args='mergeresult > $local'
+aftermerge
+
+echo '# - and $local is the file f:'
+beforemerge
+hg merge -r 2 --config merge-tools.true.executable=echo --config merge-tools.true.args='mergeresult > f'
+aftermerge
+
+echo '# Merge with "echo mergeresult > $output" - the variable is a bit magic:'
+beforemerge
+hg merge -r 2 --config merge-tools.true.executable=echo --config merge-tools.true.args='mergeresult > $output'
+aftermerge
+
+
+echo
+echo Merge post-processing
+echo
+
+echo "# cat is a bad merge-tool and doesn't change:"
+domerge -r 2 --config merge-tools.true.checkchanged=1
diff --git a/tests/test-merge-tools.out b/tests/test-merge-tools.out
new file mode 100644
--- /dev/null
+++ b/tests/test-merge-tools.out
@@ -0,0 +1,400 @@
+# revision 0
+adding f
+# revision 1
+# revision 2
+created new head
+# revision 3 - simple to merge
+created new head
+
+
+Tool selection
+
+# default is internal merge:
+[merge-tools]
+# hg update -C 1
+# hg merge -r 2
+merging f
+warning: conflicts during merge.
+merging f failed!
+0 files updated, 0 files merged, 0 files removed, 1 files unresolved
+use 'hg resolve' to retry unresolved file merges
+# cat f
+<<<<<<< local
+revision 1
+=======
+revision 2
+>>>>>>> other
+space
+# hg stat
+M f
+? f.orig
+
+# simplest hgrc using false for merge:
+[merge-tools]
+false.whatever=
+# hg update -C 1
+# hg merge -r 2
+merging f
+merging f failed!
+0 files updated, 0 files merged, 0 files removed, 1 files unresolved
+use 'hg resolve' to retry unresolved file merges
+# cat f
+revision 1
+space
+# hg stat
+M f
+? f.orig
+
+# true with higher .priority gets precedence:
+[merge-tools]
+false.whatever=
+true.priority=1
+# hg update -C 1
+# hg merge -r 2
+merging f
+0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+(branch merge, don't forget to commit)
+# cat f
+revision 1
+space
+# hg stat
+M f
+
+# unless lowered on command line:
+[merge-tools]
+false.whatever=
+true.priority=1
+# hg update -C 1
+# hg merge -r 2 --config merge-tools.true.priority=-7
+merging f
+merging f failed!
+0 files updated, 0 files merged, 0 files removed, 1 files unresolved
+use 'hg resolve' to retry unresolved file merges
+# cat f
+revision 1
+space
+# hg stat
+M f
+? f.orig
+
+# or false set higher on command line:
+[merge-tools]
+false.whatever=
+true.priority=1
+# hg update -C 1
+# hg merge -r 2 --config merge-tools.false.priority=117
+merging f
+merging f failed!
+0 files updated, 0 files merged, 0 files removed, 1 files unresolved
+use 'hg resolve' to retry unresolved file merges
+# cat f
+revision 1
+space
+# hg stat
+M f
+? f.orig
+
+# or true.executable not found in PATH:
+[merge-tools]
+false.whatever=
+true.priority=1
+# hg update -C 1
+# hg merge -r 2 --config merge-tools.true.executable=nonexistingmergetool
+merging f
+merging f failed!
+0 files updated, 0 files merged, 0 files removed, 1 files unresolved
+use 'hg resolve' to retry unresolved file merges
+# cat f
+revision 1
+space
+# hg stat
+M f
+? f.orig
+
+# or true.executable with bogus path:
+[merge-tools]
+false.whatever=
+true.priority=1
+# hg update -C 1
+# hg merge -r 2 --config merge-tools.true.executable=/bin/nonexistingmergetool
+sh: /bin/nonexistingmergetool: No such file or directory
+merging f
+merging f failed!
+0 files updated, 0 files merged, 0 files removed, 1 files unresolved
+use 'hg resolve' to retry unresolved file merges
+# cat f
+revision 1
+space
+# hg stat
+M f
+? f.orig
+
+# but true.executable set to cat found in PATH works:
+[merge-tools]
+false.whatever=
+true.priority=1
+true.executable=cat
+# hg update -C 1
+# hg merge -r 2
+revision 1
+space
+revision 0
+space
+revision 2
+space
+merging f
+0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+(branch merge, don't forget to commit)
+# cat f
+revision 1
+space
+# hg stat
+M f
+
+# and true.executable set to cat with path works:
+[merge-tools]
+false.whatever=
+true.priority=1
+true.executable=cat
+# hg update -C 1
+# hg merge -r 2 --config merge-tools.true.executable=/bin/cat
+revision 1
+space
+revision 0
+space
+revision 2
+space
+merging f
+0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+(branch merge, don't forget to commit)
+# cat f
+revision 1
+space
+# hg stat
+M f
+
+
+Tool selection and merge-patterns
+
+# merge-patterns specifies new tool tac:
+[merge-tools]
+false.whatever=
+true.priority=1
+true.executable=cat
+# hg update -C 1
+# hg merge -r 2 --config merge-patterns.f=tac
+space
+revision 1
+space
+revision 0
+space
+revision 2
+merging f
+0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+(branch merge, don't forget to commit)
+# cat f
+revision 1
+space
+# hg stat
+M f
+
+# merge-patterns specifies executable not found in PATH and gets warning:
+[merge-tools]
+false.whatever=
+true.priority=1
+true.executable=cat
+# hg update -C 1
+# hg merge -r 2 --config merge-patterns.f=true --config merge-tools.true.executable=nonexistingmergetool
+couldn't find merge tool true specified for f
+merging f
+merging f failed!
+0 files updated, 0 files merged, 0 files removed, 1 files unresolved
+use 'hg resolve' to retry unresolved file merges
+# cat f
+revision 1
+space
+# hg stat
+M f
+? f.orig
+
+# merge-patterns specifies executable with bogus path and gets warning:
+[merge-tools]
+false.whatever=
+true.priority=1
+true.executable=cat
+# hg update -C 1
+# hg merge -r 2 --config merge-patterns.f=true --config merge-tools.true.executable=/bin/nonexistingmergetool
+sh: /bin/nonexistingmergetool: No such file or directory
+merging f
+merging f failed!
+0 files updated, 0 files merged, 0 files removed, 1 files unresolved
+use 'hg resolve' to retry unresolved file merges
+# cat f
+revision 1
+space
+# hg stat
+M f
+? f.orig
+
+
+Premerge
+
+# Default is silent simplemerge:
+[merge-tools]
+false.whatever=
+true.priority=1
+true.executable=cat
+# hg update -C 1
+# hg merge -r 3
+merging f
+0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+(branch merge, don't forget to commit)
+# cat f
+revision 1
+space
+revision 3
+# hg stat
+M f
+
+# .premerge=True is same:
+[merge-tools]
+false.whatever=
+true.priority=1
+true.executable=cat
+# hg update -C 1
+# hg merge -r 3 --config merge-tools.true.premerge=True
+merging f
+0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+(branch merge, don't forget to commit)
+# cat f
+revision 1
+space
+revision 3
+# hg stat
+M f
+
+# .premerge=False executes merge-tool:
+[merge-tools]
+false.whatever=
+true.priority=1
+true.executable=cat
+# hg update -C 1
+# hg merge -r 3 --config merge-tools.true.premerge=False
+revision 1
+space
+revision 0
+space
+revision 0
+space
+revision 3
+merging f
+0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+(branch merge, don't forget to commit)
+# cat f
+revision 1
+space
+# hg stat
+M f
+
+
+Tool execution
+
+# set tools.args explicit to include $base $local $other $output:
+[merge-tools]
+false.whatever=
+true.priority=1
+true.executable=cat
+# hg update -C 1
+==> ... <==
+revision 0
+space
+
+==> ... <==
+revision 1
+space
+
+==> ... <==
+revision 2
+space
+
+==> ... <==
+revision 1
+space
+merging f
+0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+(branch merge, don't forget to commit)
+# cat f
+revision 1
+space
+# hg stat
+M f
+
+# Merge with "echo mergeresult > $local":
+[merge-tools]
+false.whatever=
+true.priority=1
+true.executable=cat
+# hg update -C 1
+merging f
+0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+(branch merge, don't forget to commit)
+# cat f
+mergeresult
+# hg stat
+M f
+
+# - and $local is the file f:
+[merge-tools]
+false.whatever=
+true.priority=1
+true.executable=cat
+# hg update -C 1
+merging f
+0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+(branch merge, don't forget to commit)
+# cat f
+mergeresult
+# hg stat
+M f
+
+# Merge with "echo mergeresult > $output" - the variable is a bit magic:
+[merge-tools]
+false.whatever=
+true.priority=1
+true.executable=cat
+# hg update -C 1
+merging f
+0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+(branch merge, don't forget to commit)
+# cat f
+mergeresult
+# hg stat
+M f
+
+
+Merge post-processing
+
+# cat is a bad merge-tool and doesn't change:
+[merge-tools]
+false.whatever=
+true.priority=1
+true.executable=cat
+# hg update -C 1
+# hg merge -r 2 --config merge-tools.true.checkchanged=1
+revision 1
+space
+revision 0
+space
+revision 2
+space
+merging f
+merging f failed!
+0 files updated, 0 files merged, 0 files removed, 1 files unresolved
+use 'hg resolve' to retry unresolved file merges
+# cat f
+revision 1
+space
+# hg stat
+M f
+? f.orig
+