tests: move tests top-level

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

tests/test-lib.sh

@@ -0,0 +1,132 @@
+#!/usr/bin/env bash
+set -o errexit -o errtrace -o functrace -o nounset -o pipefail
+
+########################################################################
+# Logging helpers
+########################################################################
+readonly COLOR_RED=1
+readonly COLOR_GREEN=2
+readonly COLOR_YELLOW=3
+
+# Prefix a date to a log line and output to stderr
+logger::stamp(){
+  local color="$1"
+  local level="$2"
+  local i
+  shift
+  shift
+  [ ! "$TERM" ] || [ ! -t 2 ] || >&2 tput setaf "$color"
+  for i in "$@"; do
+    >&2 printf "[%s] [%s] %s\\n" "$(date)" "$level" "$i"
+  done
+  [ ! "$TERM" ] || [ ! -t 2 ] || >&2 tput op
+}
+
+logger::info(){
+  logger::stamp "$COLOR_GREEN" "INFO" "$@"
+}
+
+logger::warning(){
+  logger::stamp "$COLOR_YELLOW" "WARNING" "$@"
+}
+
+logger::error(){
+  logger::stamp "$COLOR_RED" "ERROR" "$@"
+}
+
+########################################################################
+# Handle exit code and errors of random command
+########################################################################
+wrap::err(){
+  local args=()
+  local actualExit=0
+  local expectedExit=0
+  local ret=0
+
+  for i in "$@"; do
+    if [ "${i:0:9}" == "--stderr=" ]; then
+      local expectedStderr="${i:9}"
+    elif [ "${i:0:7}" == "--exit=" ]; then
+      expectedExit="${i:7}"
+      expectedExit="${expectedExit:-0}"
+    else
+      args+=("$i")
+    fi
+  done
+
+  logger::info " -> ${args[*]}"
+
+  exec 3>&1
+  actualStderr="$("${args[@]}" 2>&1 1>&3)" || actualExit="$?"
+
+  [ "$expectedExit" == "$actualExit" ] || {
+    logger::error " -> Expected exit code: $expectedExit" " -> Actual exit code  : $actualExit"
+    logger::error " -> Stderr was:"
+    >&2 jq <<<"$actualStderr" 2>/dev/null || {
+      >&2 echo "$actualStderr"
+      logger::error " -> Also, stderr is not json"
+    }
+    ret=1
+  }
+
+  [ -z "${expectedStderr+x}" ] || [ "$expectedStderr" == "$actualStderr" ] || {
+    logger::error " -> Expected stderr:"
+    >&2 jq <<<"$expectedStderr" 2>/dev/null || {
+      >&2 echo "$expectedStderr"
+    }
+    logger::error " -> Actual stderr  :"
+    >&2 jq <<<"$actualStderr" 2>/dev/null || {
+      >&2 echo "$actualStderr"
+      logger::error " -> Also, stderr is not json ^"
+    }
+    ret=1
+  }
+
+  exec 3>&-
+  return "$ret"
+}
+
+########################################################################
+# Main test function
+#    argument 1 is a test description
+#    to test the exit code, pass --exit=int (if not provided, will test that the command exits succesfully)
+#    to test the value of stderr, pass --stderr=string (if not provided, stderr is not verified)
+#    to test the value of stdout, pass --stdout=string (if not provided, stdout is not verified)
+#    any other argument is the command that is going to be run
+# Example:
+#    test dagger compute somecue --exit=1 --stderr=expectederror
+########################################################################
+test::one(){
+  local testDescription="$1"
+  shift
+  local args=()
+  local ret=0
+
+  for i in "$@"; do
+    if [ "${i:0:9}" == "--stdout=" ]; then
+      local expectedStdout="${i:9}"
+    else
+      args+=("$i")
+    fi
+  done
+
+  logger::info "$testDescription"
+
+  local actualStdout
+  actualStdout="$(wrap::err "${args[@]}")" || {
+    ret=1
+  }
+
+  [ -z "${expectedStdout+x}" ] || [ "$expectedStdout" == "$actualStdout" ] || {
+    exec 3>&-
+    logger::error " -> Expected stdout: $expectedStdout" " -> Actual stdout  : $actualStdout"
+    ret=1
+  }
+
+  [ "$ret" != 0 ] || logger::info " -> Success"
+  return "$ret"
+}
+
+disable(){
+  logger::warning "Test \"$2\" has been disabled."
+}