test/test-lib.sh: execute basename(1)s lazier in test_expect_equal_file ()

[notmuch] / test / test-lib.sh

diff --git a/test/test-lib.sh b/test/test-lib.sh
index 77879c258219a1ff9c7f59748ea20025a87ce492..a12c6d0a85b75c126f17eb6778fe1f092c7300b2 100644 (file)
--- a/test/test-lib.sh
+++ b/test/test-lib.sh
@@ -55,9 +55,15 @@ export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'
 # Keep the original TERM for say_color and test_emacs
 ORIGINAL_TERM=$TERM
 
-# dtach(1) provides more capable terminal environment to anything
-# that requires more than dumb terminal...
-[ x"${TERM:-dumb}" = xdumb ] && SMART_TERM=vt100 || SMART_TERM=$TERM
+# Set SMART_TERM to vt100 for known dumb/unknown terminal.
+# Otherwise use whatever TERM is currently used so that
+# users' actual TERM environments are being used in tests.
+case ${TERM-} in
+       '' | dumb | unknown )
+               SMART_TERM=vt100 ;;
+       *)
+               SMART_TERM=$TERM ;;
+esac
 
 # For repeatability, reset the environment to known value.
 LANG=C
@@ -618,15 +624,15 @@ test_expect_equal_file ()
        error "bug in the test script: not 2 or 3 parameters to test_expect_equal"
 
        file1="$1"
-       basename1=`basename "$file1"`
        file2="$2"
-       basename2=`basename "$file2"`
        if ! test_skip "$test_subtest_name"
        then
                if diff -q "$file1" "$file2" >/dev/null ; then
                        test_ok_
                else
                        testname=$this_test.$test_count
+                       basename1=`basename "$file1"`
+                       basename2=`basename "$file2"`
                        cp "$file1" "$testname.$basename1"
                        cp "$file2" "$testname.$basename2"
                        test_failure_ "$(diff -u "$testname.$basename1" "$testname.$basename2")"
@@ -1168,8 +1174,8 @@ test_emacs () {
                fi
                server_name="notmuch-test-suite-$$"
                # start a detached session with an emacs server
-               # user's TERM (or 'vt100' in case user's TERM is unset, empty
-               # or 'dumb') is given to dtach which assumes a minimally
+               # user's TERM (or 'vt100' in case user's TERM is known dumb
+               # or unknown) is given to dtach which assumes a minimally
                # VT100-compatible terminal -- and emacs inherits that
                TERM=$SMART_TERM dtach -n "$TEST_TMPDIR/emacs-dtach-socket.$$" \
                        sh -c "stty rows 24 cols 80; exec '$TMP_DIRECTORY/run_emacs' \