test-lib: add the '--stress' option to run a test repeatedly under load

diff --git a/t/t7301-clean-interactive.sh b/t/t7301-clean-interactive.sh
index 1bf9789c8a3cfbb1cc8a6ea33e4a0b1a0da0a7cd..a07e8b86de2014fd24bcb4692a744f147ef07787 100755 (executable)
--- a/t/t7301-clean-interactive.sh
+++ b/t/t7301-clean-interactive.sh
@@ -107,7 +107,7 @@ test_expect_success 'git clean -id (filter all)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (echo f; echo "*"; echo; echo c) | \
+       test_write_lines f "*" "" c |
        git clean -id &&
        test -f Makefile &&
        test -f README &&
@@ -129,7 +129,7 @@ test_expect_success 'git clean -id (filter patterns)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (echo f; echo "part3.* *.out"; echo; echo c) | \
+       test_write_lines f "part3.* *.out" "" c |
        git clean -id &&
        test -f Makefile &&
        test -f README &&
@@ -151,7 +151,7 @@ test_expect_success 'git clean -id (filter patterns 2)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (echo f; echo "* !*.out"; echo; echo c) | \
+       test_write_lines f "* !*.out" "" c |
        git clean -id &&
        test -f Makefile &&
        test -f README &&
@@ -173,7 +173,7 @@ test_expect_success 'git clean -id (select - all)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (echo s; echo "*"; echo; echo c) | \
+       test_write_lines s "*" "" c |
        git clean -id &&
        test -f Makefile &&
        test -f README &&
@@ -195,7 +195,7 @@ test_expect_success 'git clean -id (select - none)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (echo s; echo; echo c) | \
+       test_write_lines s "" c |
        git clean -id &&
        test -f Makefile &&
        test -f README &&
@@ -217,7 +217,7 @@ test_expect_success 'git clean -id (select - number)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (echo s; echo 3; echo; echo c) | \
+       test_write_lines s 3 "" c |
        git clean -id &&
        test -f Makefile &&
        test -f README &&
@@ -239,7 +239,7 @@ test_expect_success 'git clean -id (select - number 2)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (echo s; echo 2 3; echo 5; echo; echo c) | \
+       test_write_lines s "2 3" 5 "" c |
        git clean -id &&
        test -f Makefile &&
        test -f README &&
@@ -261,7 +261,7 @@ test_expect_success 'git clean -id (select - number 3)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (echo s; echo 3,4 5; echo; echo c) | \
+       test_write_lines s "3,4 5" "" c |
        git clean -id &&
        test -f Makefile &&
        test -f README &&
@@ -282,7 +282,7 @@ test_expect_success 'git clean -id (select - filenames)' '
 
        mkdir -p build docs &&
        touch a.out foo.txt bar.txt baz.txt &&
-       (echo s; echo a.out fo ba bar; echo; echo c) | \
+       test_write_lines s "a.out fo ba bar" "" c |
        git clean -id &&
        test -f Makefile &&
        test ! -f a.out &&
@@ -298,7 +298,7 @@ test_expect_success 'git clean -id (select - range)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (echo s; echo 1,3-4; echo 2; echo; echo c) | \
+       test_write_lines s "1,3-4" 2 "" c |
        git clean -id &&
        test -f Makefile &&
        test -f README &&
@@ -320,7 +320,7 @@ test_expect_success 'git clean -id (select - range 2)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (echo s; echo 4- 1; echo; echo c) | \
+       test_write_lines s "4- 1" "" c |
        git clean -id &&
        test -f Makefile &&
        test -f README &&
@@ -342,7 +342,7 @@ test_expect_success 'git clean -id (inverse select)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (echo s; echo "*"; echo -5- 1 -2; echo; echo c) | \
+       test_write_lines s "*" "-5- 1 -2" "" c |
        git clean -id &&
        test -f Makefile &&
        test -f README &&
@@ -364,7 +364,7 @@ test_expect_success 'git clean -id (ask)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (echo a; echo Y; echo y; echo no; echo yes; echo bad; echo) | \
+       test_write_lines a Y y no yes bad "" |
        git clean -id &&
        test -f Makefile &&
        test -f README &&
@@ -386,7 +386,7 @@ test_expect_success 'git clean -id (ask - Ctrl+D)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (echo a; echo Y; echo no; echo yes; echo "\04") | \
+       test_write_lines a Y no yes "\04" |
        git clean -id &&
        test -f Makefile &&
        test -f README &&
@@ -408,8 +408,8 @@ test_expect_success 'git clean -id with prefix and path (filter)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (cd build/ && \
-        (echo f; echo "docs"; echo "*.h"; echo ; echo c) | \
+       (cd build/ &&
+        test_write_lines f docs "*.h" "" c |
         git clean -id ..) &&
        test -f Makefile &&
        test -f README &&
@@ -431,9 +431,8 @@ test_expect_success 'git clean -id with prefix and path (select by name)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (cd build/ && \
-        (echo s; echo "../docs/"; echo "../src/part3.c"; \
-         echo "../src/part4.c";  echo; echo c) | \
+       (cd build/ &&
+        test_write_lines s ../docs/ ../src/part3.c ../src/part4.c "" c |
         git clean -id ..) &&
        test -f Makefile &&
        test -f README &&
@@ -455,8 +454,8 @@ test_expect_success 'git clean -id with prefix and path (ask)' '
        mkdir -p build docs &&
        touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \
        docs/manual.txt obj.o build/lib.so &&
-       (cd build/ && \
-        (echo a; echo Y; echo y; echo no; echo yes; echo bad; echo) | \
+       (cd build/ &&
+        test_write_lines a Y y no yes bad "" |
         git clean -id ..) &&
        test -f Makefile &&
        test -f README &&