Reorganize tests

* Split out test helper functions into tools/test_functions.sh
  * bin/_blackbox_common_test.sh: Unit-tests for functions.
  * blackbox_postdeploy: Use cp_permissions instead of chmod --reference

tools/confidence_test.sh

@@ -3,117 +3,15 @@
 blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )/../bin
 export PATH="${blackbox_home}:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/opt/local/bin"
 
-. _stack_lib.sh
-
 set -e
+. _stack_lib.sh
+. tools/test_functions.sh
 
-function PHASE() {
-  echo '********************'
-  echo '********************'
-  echo '*********' """$@"""
-  echo '********************'
-  echo '********************'
-}
+PHASE 'UNIT TESTS'
 
-function md5sum_file() {
-  # Portably generate the MD5 hash of file $1.
-  case $(uname -s) in
-    Darwin )
-      md5 -r "$1" | awk '{ print $1 }'
-      ;;
-    Linux )
-      md5sum "$1" | awk '{ print $1 }'
-      ;;
-    CYGWIN* )
-      md5sum "$1" | awk '{ print $1 }'
-      ;;
-    * )
-      echo 'ERROR: Unknown OS. Exiting.'
-      exit 1
-      ;;
-  esac
-}
+_blackbox_common_test.sh
 
-function assert_file_missing() {
-  if [[ -e "$1" ]]; then
-    echo "ASSERT FAILED: ${1} should not exist."
-    exit 1
-  fi
-}
-
-function assert_file_exists() {
-  if [[ ! -e "$1" ]]; then
-    echo "ASSERT FAILED: ${1} should exist."
-    echo "PWD=$(/bin/pwd -P)"
-    #echo "LS START"
-    #ls -la
-    #echo "LS END"
-    exit 1
-  fi
-}
-function assert_file_md5hash() {
-  local file="$1"
-  local wanted="$2"
-  assert_file_exists "$file"
-  local found
-  found=$(md5sum_file "$file")
-  if [[ "$wanted" != "$found" ]]; then
-    echo "ASSERT FAILED: $file hash wanted=$wanted found=$found"
-    exit 1
-  fi
-}
-function assert_file_group() {
-  local file="$1"
-  local wanted="$2"
-  local found
-  assert_file_exists "$file"
-
-  case $(uname -s) in
-    Darwin|FreeBSD )
-      found=$(stat -f '%Sg' "$file")
-      ;;
-    Linux )
-      found=$(stat -c '%G' "$file")
-      ;;
-    CYGWIN* )
-      echo "ASSERT_FILE_GROUP: Running on Cygwin. Not being tested."
-      return 0
-      ;;
-    * )
-      echo 'ERROR: Unknown OS. Exiting.'
-      exit 1
-      ;;
-  esac
-
-  if [[ "$wanted" != "$found" ]]; then
-    echo "ASSERT FAILED: $file chgrp wanted=$wanted found=$found"
-    exit 1
-  fi
-}
-function assert_line_not_exists() {
-  local target="$1"
-  local file="$2"
-  assert_file_exists "$file"
-  if grep -F -x -s -q >/dev/null "$target" "$file" ; then
-    echo "ASSERT FAILED: line '$target' should not exist in file $file"
-    echo "==== file contents: START $file"
-    cat "$file"
-    echo "==== file contents: END $file"
-    exit 1
-  fi
-}
-function assert_line_exists() {
-  local target="$1"
-  local file="$2"
-  assert_file_exists "$file"
-  if ! grep -F -x -s -q >/dev/null "$target" "$file" ; then
-    echo "ASSERT FAILED: line '$target' should exist in file $file"
-    echo "==== file contents: START $file"
-    cat "$file"
-    echo "==== file contents: END $file"
-    exit 1
-  fi
-}
+PHASE 'SYSTEM TESTS'
 
 make_tempdir test_repository
 cd "$test_repository"
@@ -143,7 +41,6 @@ function become_bob() {
   git config --global user.email bob@example.com
 }
 
-
 PHASE 'Alice creates a repo.  She creates secret.txt.'
 
 become_alice