Merge branch 'master' into s-dash-stdin

1 files changed, 199 insertions, 0 deletions

diff --git a/ci/common/suite.sh b/ci/common/suite.sh
new file mode 100644
index 0000000000..d3fbcd1eda
--- /dev/null
+++ b/ci/common/suite.sh
@@ -0,0 +1,199 @@
+# HACK: get newline for use in strings given that "\n" and $'' do not work.
+NL="$(printf '\nE')"
+NL="${NL%E}"
+
+FAIL_SUMMARY=""
+
+# Test success marker. If END_MARKER file exists, we know that all tests 
+# finished. If FAIL_SUMMARY_FILE exists we know that some tests failed, this 
+# file will contain information about failed tests. Build is considered 
+# successful if tests ended without any of them failing.
+END_MARKER="$BUILD_DIR/.tests_finished"
+FAIL_SUMMARY_FILE="$BUILD_DIR/.test_errors"
+
+ANSI_CLEAR="\033[0K"
+
+travis_fold() {
+  local action="$1"
+  local name="$2"
+  name="$(echo -n "$name" | tr '\n\0' '--' | sed 's/[^A-Za-z0-9]\{1,\}/-/g')"
+  name="$(echo -n "$name" | sed 's/-$//')"
+  echo -en "travis_fold:${action}:${name}\r${ANSI_CLEAR}"
+}
+
+if test "$TRAVIS" != "true" ; then
+  travis_fold() {
+    return 0
+  }
+fi
+
+enter_suite() {
+  set +x
+  FAILED=0
+  rm -f "${END_MARKER}"
+  local suite_name="$1"
+  export NVIM_TEST_CURRENT_SUITE="${NVIM_TEST_CURRENT_SUITE}/$suite_name"
+  travis_fold start "${NVIM_TEST_CURRENT_SUITE}"
+  set -x
+}
+
+exit_suite() {
+  set +x
+  if test -f "$NVIM_LOG_FILE" ; then
+    printf "===============================================================================\n"
+    printf "NVIM_LOG_FILE: $NVIM_LOG_FILE\n"
+    cat "$NVIM_LOG_FILE" 2>/dev/null || printf '(empty)'
+    printf "\n"
+    rm -rf "$NVIM_LOG_FILE"
+  fi
+  travis_fold end "${NVIM_TEST_CURRENT_SUITE}"
+  if test $FAILED -ne 0 ; then
+    echo "Suite ${NVIM_TEST_CURRENT_SUITE} failed, summary:"
+    echo "${FAIL_SUMMARY}"
+  fi
+  export NVIM_TEST_CURRENT_SUITE="${NVIM_TEST_CURRENT_SUITE%/*}"
+  if test "$1" != "--continue" ; then
+    exit $FAILED
+  else
+    local saved_failed=$FAILED
+    FAILED=0
+    return $saved_failed
+  fi
+}
+
+fail() {
+  local test_name="$1"
+  local fail_char="$2"
+  local message="$3"
+
+  : ${fail_char:=F}
+  : ${message:=Test $test_name failed}
+
+  local full_msg="$fail_char $NVIM_TEST_CURRENT_SUITE|$test_name :: $message"
+  FAIL_SUMMARY="${FAIL_SUMMARY}${NL}${full_msg}"
+  echo "${full_msg}" >> "${FAIL_SUMMARY_FILE}"
+  echo "Failed: $full_msg"
+  FAILED=1
+}
+
+run_test() {
+  local cmd="$1"
+  test $# -gt 0 && shift
+  local test_name="$1"
+  : ${test_name:=$cmd}
+  test $# -gt 0 && shift
+  if ! eval "$cmd" ; then
+    fail "${test_name}" "$@"
+  fi
+}
+
+run_test_wd() {
+  local hang_ok=
+  if test "$1" = "--allow-hang" ; then
+    hang_ok=1
+    shift
+  fi
+
+  local timeout="$1"
+  test $# -gt 0 && shift
+
+  local cmd="$1"
+  test $# -gt 0 && shift
+
+  local restart_cmd="$1"
+  : ${restart_cmd:=true}
+  test $# -gt 0 && shift
+
+  local test_name="$1"
+  : ${test_name:=$cmd}
+  test $# -gt 0 && shift
+
+  local output_file="$(mktemp)"
+  local status_file="$(mktemp)"
+  local sid_file="$(mktemp)"
+
+  local restarts=5
+  local prev_tmpsize=-1
+  while test $restarts -gt 0 ; do
+    : > "$status_file"
+    : > "$sid_file"
+    setsid \
+      env \
+        output_file="$output_file" \
+        status_file="$status_file" \
+        sid_file="$sid_file" \
+        cmd="$cmd" \
+        CI_DIR="$CI_DIR" \
+        sh -c '
+          . "${CI_DIR}/common/test.sh"
+          ps -o sid= > "$sid_file"
+          (
+            ret=0
+            if ! eval "$cmd" 2>&1 ; then
+              ret=1
+            fi
+            echo "$ret" > "$status_file"
+          ) | tee -a "$output_file"
+        '
+    while test "$(stat -c "%s" "$status_file")" -eq 0 ; do
+      prev_tmpsize=$tmpsize
+      sleep $timeout
+      tmpsize="$(stat -c "%s" "$output_file")"
+      if test $tempsize -eq $prev_temsize ; then
+        # no output, assuming either hang or exit
+        break
+      fi
+    done
+    restarts=$(( restarts - 1 ))
+    if test "$(stat -c "%s" "$status_file")" -eq 0 ; then
+      # Status file not updated, assuming hang
+
+      # SID not known, this should not ever happen
+      if test "$(stat -c "%s" "$sid_file")" -eq 0 ; then
+        fail "$test_name" E "Shell did not run"
+        break
+      fi
+
+      # Kill all processes which belong to one session: should get rid of test
+      # processes as well as sh itself.
+      pkill -KILL -s$(cat "$sid_file")
+
+      if test $restarts -eq 0 ; then
+        if test -z "$hang_ok" ; then
+          fail "$test_name" E "Test hang up"
+        fi
+      else
+        echo "Test ${test_name} hang up, restarting"
+        eval "$restart_cmd"
+      fi
+    else
+      local new_failed="$(cat "$status_file")"
+      if test "$new_failed" != "0" ; then
+        fail "$test_name" F "Test failed in run_test_wd"
+      fi
+      break
+    fi
+  done
+
+  rm -f "$output_file"
+  rm -f "$status_file"
+  rm -f "$sid_file"
+}
+
+ended_successfully() {
+  if test -f "${FAIL_SUMMARY_FILE}" ; then
+    echo 'Test failed, complete summary:'
+    cat "${FAIL_SUMMARY_FILE}"
+    return 1
+  fi
+  if ! test -f "${END_MARKER}" ; then
+    echo 'ended_successfully called before end marker was touched'
+    return 1
+  fi
+  return 0
+}
+
+end_tests() {
+  touch "${END_MARKER}"
+  ended_successfully
+}