stgit.el: Improve stgit-mode help text slightly

[stgit] / t / test-lib.sh

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 87c143a..c1fb1b3 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -14,8 +14,8 @@ PAGER=cat
 TZ=UTC
 TERM=dumb
 export LANG LC_ALL PAGER TERM TZ
-EDITOR=:
-VISUAL=:
+unset EDITOR
+unset VISUAL
 unset GIT_EDITOR
 unset AUTHOR_DATE
 unset AUTHOR_EMAIL
@@ -42,7 +42,6 @@ GIT_MERGE_VERBOSITY=5
 export GIT_MERGE_VERBOSITY
 export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
-export EDITOR VISUAL
 GIT_TEST_CMP=${GIT_TEST_CMP:-diff -u}
 
 # Protect ourselves from common misconfiguration to export
@@ -285,6 +284,30 @@ test_expect_code () {
        echo >&3 ""
 }
 
+# When running an StGit command that should exit with an error, use
+# these instead of testing for any non-zero exit code with !.
+exit_code () {
+       expected=$1
+       shift
+       "$@"
+       test $? -eq $expected
+}
+general_error () { exit_code 1 "$@" ; }
+command_error () { exit_code 2 "$@" ; }
+conflict () { exit_code 3 "$@" ; }
+
+# Old-infrastructure commands don't exit with the proper value on
+# conflicts. But we don't want half the tests to fail because of that,
+# so use this instead of "conflict" for them.
+conflict_old () { command_error "$@" ; }
+
+# Same thing, but for other commands that StGit where we just want to
+# make sure that they fail instead of crashing.
+must_fail () {
+        "$@"
+        test $? -gt 0 -a $? -le 129
+}
+
 # test_cmp is a helper function to compare actual and expected output.
 # You can use it like:
 #
@@ -307,13 +330,13 @@ test_cmp() {
 test_create_repo () {
        test "$#" = 1 ||
        error "bug in the test script: not 1 parameter to test-create-repo"
-       owd=`pwd`
+       owd=$(pwd)
        repo="$1"
        mkdir "$repo"
        cd "$repo" || error "Cannot setup test environment"
        git init >/dev/null 2>&1 || error "cannot run git init"
        echo "empty start" | \
-           git commit-tree `git write-tree` >.git/refs/heads/master 2>&4 || \
+           git commit-tree $(git write-tree) >.git/refs/heads/master 2>&4 || \
            error "cannot run git commit"
        mv .git/hooks .git/hooks-disabled
        cd "$owd"