[Shunit-commits] ShUnit shUnitAcceptanceTest,NONE,1.1

[lacton <la...@us...>]

Update of /cvsroot/shunit/ShUnit
In directory sc8-pr-cvs8.sourceforge.net:/tmp/cvs-serv7793

Added Files:
	shUnitAcceptanceTest 
Log Message:
[add] Added high-level acceptance tests.


--- NEW FILE: shUnitAcceptanceTest ---
#! /usr/bin/env sh

#
# Acceptance tests for ShUnit that should work with all Bourne derived shells.
# Any failing test here should be considered a portability defect.
#

#
# Test Cases
#

Suite() {
  shuRegTest TestNoTest
  shuRegTest Test1SuccessfulTest
  shuRegTest Test1FailingTest
  shuRegTest Test2SuccessfulTests
  shuRegTest Test1SuccessAnd1FailureInTheSameTest
  shuRegTest Test1SuccessAnd1FailureInDifferentTests
  shuRegTest TestShuStartWith2Arguments
}

TestNoTest() {
  for shell in $available_shells
  do
    stdout=`runEmbeddedTest $shell "Suite() { :; }"`
    # shuDeny "Expected error exit code with $shell" $?  # TODO
    assertContains 'No tests to run' "$stdout" "$shell"
  done
}

Test1SuccessfulTest() {
  for shell in $available_shells
  do
    stdout=`runEmbeddedTest $shell "
      SuccessfulTest() { shuAssert 'Always true' 0; }
      Suite() { shuRegTest SuccessfulTest; }"`
    shuAssert "Expected successful exit code with $shell" $?
    assertContains '1 test succeeded.' "$stdout" "$shell"
    assertContains 'No tests failed.' "$stdout" "$shell"
  done
}

Test1FailingTest() {
  for shell in $available_shells
  do
    stdout=`runEmbeddedTest $shell "
      FailingTest() { shuAssert 'Always false' 1; }
      Suite() { shuRegTest FailingTest; }"`
    # shuDeny "Expected error exit code with $shell" $?  # TODO
    assertContains 'No tests succeeded.' "$stdout" "$shell"
    assertContains '1 test failed.' "$stdout" "$shell"
  done
}

Test2SuccessfulTests() {
  for shell in $available_shells
  do
    stdout=`runEmbeddedTest $shell "
      FirstSuccessfulTest() { shuAssert 'Always true' 0;  }
      SecondSuccessfulTest() { shuAssert 'Always true' 0; }
      Suite() { shuRegTest FirstSuccessfulTest; shuRegTest SecondSuccessfulTest; }"`
    shuAssert "Expected successful exit code with $shell" $?
    assertContains '2 tests succeeded.' "$stdout" "$shell"
    assertContains 'No tests failed.' "$stdout" "$shell"
  done
}

Test1SuccessAnd1FailureInTheSameTest() {
  for shell in $available_shells
  do
    stdout=`runEmbeddedTest $shell "
      TestWithASuccessAndAFailure() {
        shuAssert 'Always false' 1
        shuAssert 'Always true' 0
      }
      Suite() { shuRegTest TestWithASuccessAndAFailure; }"`
    # shuDeny "Expected error exit code with $shell" $?  # TODO
    assertContains 'No tests succeeded.' "$stdout" "$shell"
    assertContains '1 test failed.' "$stdout" "$shell"
  done
}

Test1SuccessAnd1FailureInDifferentTests() {
  for shell in $available_shells
  do
    stdout=`runEmbeddedTest $shell "
      SuccessfulTest() {  shuAssert 'Always true' 0; }
      FailingTest() { shuAssert 'Always false' 1; }
      Suite() { shuRegTest SuccessfulTest; shuRegTest FailingTest; }"`
    # shuDeny "Expected error exit code with $shell" $?  # TODO
    assertContains '1 test succeeded.' "$stdout" "$shell"
    assertContains '1 test failed.' "$stdout" "$shell"
  done
}

TestShuStartWith2Arguments() {
  for shell in $available_shells
  do
    shuStartWith2Arguments() {
      $shell <<-EOF
        Test1() { shuAssert 'Always true' 0; }
        Suite1() { shuRegTest Test1; }
        Suite2() { shuRegTest Test1; }
        . "$SHUNIT_HOME/shUnit"
        shuStart Suite1 Suite2
EOF
    }
    stdout=`shuStartWith2Arguments 2>/dev/null`
    stderr=`shuStartWith2Arguments 2>&1 >/dev/null`
    
    shuDeny "Exit code should be KO" $?
    
    test "" = "$stdout"
    shuAssert "Standard output should be empty" $?
    
    test "shuStart: invalid number of arguments -- 2" = "$stderr"
    shuAssert "Error message" $?
  done
}

#
# Support Functions
#

assertContains() {
  expected_substring="$1"
  actual_string="$2"
  shell="$3"
  
  echo "$actual_string" | grep -q "$expected_substring"
  shuAssert "Expected '$expected_substring' with $shell" $?
}

getAvailableShellsAmong() {
  known_shells="$1"
  for shell in $known_shells
  do
    if (exec $shell -c exit 2>/dev/null)
    then
      echo -n "$shell "
    fi
  done
}

runEmbeddedTest() {
  shell="$1"
  embedded_script="$2"
  
  $shell <<-EOF
    $embedded_script
    . "$SHUNIT_HOME/shUnit"
    shuStart Suite
EOF
}

#
# Main
#

available_shells=`getAvailableShellsAmong "sh bash ksh93 pdksh ash dash"`
echo "Available shells: $available_shells" >&2

. "$SHUNIT_HOME/shUnit"
shuStart Suite