Refactor to support more tests

Extend testcases: assertion test and competition tests

test/test_rdlink.sh

@@ -1,71 +1,143 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-tool_a="/opt/rdlink/rdlink.sh"
-tool_b="$(command -v readlink) -f"
+# Automatic tests for rdlink
+# Two kinds of tests are supported
+# * `tocompete` : competition between readlink and rdlink
+# * `toassert`  : assert expected path and input path
 
-test_links=( "Valid links"
+# test_rdlink.sh [PATH TO COMPETE]
+# 
+# Internal tests will be executed if no arguments are found
+
+test_dir="/opt/rdlink/test"
+tool_rdlink="/opt/rdlink/rdlink.sh"
+tool_readlink="$(command -v readlink) -f"
+
+########## Competition Block ##########
+# Each competition link is given to both tools
+# and the output is compared
+# [0] = Title
+# [1] = path for competition
+# [2] = path for competition
+# ...
+compete_links=( "Valid links"
   "/dev/stdin"
-  "$HOME/tmp/a"*
-  "$HOME/tmp/a 3"
+  "$test_dir/tmp/a"*
+  "$test_dir/tmp/a 3"
   "/bin/adb"
 )
 
-test_all=( "Test everything starting from /"
+compete_all=( "Test everything starting from /"
   /**/*
 )
 
-test_args=( "Tests from command line"
+compete_args=( "Tests from command line"
   "$@"
 )
 
-totest=(
-  test_links
+# Lists for competition test between rdlink and readlink -f
+tocompete=(
+  compete_links
 )
 
-[[ "$@" ]] && totest=(test_args)
+########## Assertion Block ##########
+# Assertion string compare test
+# [0] = Title
+# [1] expected == [2] input 
+# [3] expected == [4] input
+# ...
+assert_string=( "Assert invalid files"
+  "/opt/rdlink/test/a" "a"
+  "/opt/rdlink/test/b" "b"
+  "/opt/rdlink/test/c" "c"
+)
+
+# List of assertian test arrays
+toassert=(
+  assert_string
+)
+
+# Only run `compete_args` if arguments are available
+[[ "$@" ]] && tocompete=(compete_args) && toassert=()
+
+# rl::testcmp <TEST NUMBER> <TEST INPUT> <EXPECTED RESULT> <ACTUAL RESULT>
+rl::testcmp() {
+  local testnum=
+  local expect=
+  local actual=
+  local input=
+  printf -- "\n%-3d --- %-30s ---" ${testnum:=${1:-0}} "${input:=${2:-"-"}}"
+  if [[ "${expect:=${3:-"-"}}" == "${actual:=${4:-"-"}}" ]]; then
+    # Test successful
+    printf " OK\n"
+  else
+    # Test failed
+    printf " FAIL\n"
+    printf " Result:\nExp: %s\nAct: %s\n" "${expect}" "${actual}"
+    [ -e "${input}" ] && printf "\n Subject:\n" && ls -al "${input}"
+
+    # Print debug output of tool_a
+    printf "\n Debug:\n"
+    ( "${tool_rdlink}" -d "${input}" )
+    return 1
+  fi
+  return 0
+}
 
 rl::test() {
   local i=0
-  local ra=
-  local rb=
   local path=
-  local testarray=
+  local arraywalker=
+  local firstelement=
   local testend=0
 
-  for testarray in "${totest[@]}"; do
+  # Compare against expected result
+  for testarray in "${toassert[@]}"; do
     i=0
-    testarray="$testarray"[@]
-    for path in "${!testarray}"; do
-      
+    arraywalker="$testarray"[@]
+    for path in "${!arraywalker}"; do
+      if (( ! i )); then
+        # Print title in array element 0
+        printf "         ### %s ###\n" "$path"
+      elif [ -z "$firstelement" ]; then
+        # Save first element for string compare
+        firstelement="${path}"
+      else
+        # Do the compare between two following elements
+        if ! rl::testcmp "$((i-1))" "${path}" \
+            "${firstelement}" "$("$tool_rdlink" "${path}")"; then
+          testend=1
+          break
+        fi
+
+        firstelement=
+      fi
+      ((i++))
+    done
+    (( testend )) && return 1
+  done
+
+  # Compare output of rdlink and readlink -f
+  for testarray in "${tocompete[@]}"; do
+    i=0
+    arraywalker="$testarray"[@]
+    for path in "${!arraywalker}"; do
+
       if (( ! i )); then
         # Print title in array element 0
         printf "         ### %s ###\n" "$path"
       else
         # Execute tests
-        printf -- "%-3d --- %-30s ---" $i "$path"
-        ra="$(${tool_a} "$path")"
-        rb="$(${tool_b} "$path")"
-        if [[ "$ra" = "$rb" ]]; then
-          # Test successful
-          printf " OK\n"
-        else
-          # Test failed
-          printf " FAIL\n"
-          printf "\n Result:\n%s\n%s\n" "$ra" "$rb"
-          printf "\n Subject:\n"
-          ls -al "$path"
-
-          # Print debug output of tool_a
-          printf "\n Debug:\n"
-          ( "${tool_a}" -d "${path}" )
-
-          testend=1 && break
+        if ! rl::testcmp "${i}" "${path}" \
+            "$(${tool_readlink} "$path")" "$(${tool_rdlink} "$path")"; then
+          testend=1
+          break
         fi
       fi
 
       ((i++))
     done
-    (( testend )) && break
+    (( testend )) && return 1
   done
 }