feat(testing): Init of the testing module

Add a CLI
Add a Gradle integration
Add beforeEach/afterEach fixtures
Add bassic console presentation

Signed-off-by: Daniel Petisme <[email protected]>

Author: danielpetisme

build.gradle

@@ -32,6 +32,7 @@ repositories {
 ext {
   goloCliMain = 'org.eclipse.golo.cli.Main'
   goloSources = fileTree('src/main/golo').include('**/*.golo')
+  goloTests = fileTree('src/test/golo').include('**/*.golo')
   goloDocs = file("$buildDir/docs/golodoc")
 }
 
@@ -107,6 +108,17 @@ test {
 
 // .................................................................................................................. //
 
+task golotest(type: JavaExec, dependsOn: [testClasses]) {
+  main = goloCliMain
+  args = ['test', '--files'] + goloTests
+  classpath = sourceSets.main.runtimeClasspath
+  inputs.files goloTests
+  description = 'Run Golo Tests'
+  group = 'Test'
+}
+
+// .................................................................................................................. //
+
 processResources {
   filter(org.apache.tools.ant.filters.ReplaceTokens, tokens: [
     version: version,
@@ -331,4 +343,4 @@ task wrapper(type: Wrapper) {
   description 'Generates the Gradle wrapper scripts.'
 }
 
-// .................................................................................................................. //
+// .................................................................................................................. //

src/main/golo/testing.golo

@@ -0,0 +1,37 @@
+module gololang.Testing
+
+import gololang.testing.Runner
+import gololang.testing.Suite
+import gololang.testing.Test
+import gololang.testing.Reporter
+
+augment gololang.testing.Runner.types.Runner {
+
+  function describe = |this, description, fn| {
+    let parent = this: currentSuite()
+    let suite = Suite(
+      description,
+      parent,
+      this: reporter(): onSuiteStarted(),
+      this: reporter(): onSuiteDone()
+    )
+    parent: add(suite)
+    this: currentSuite(suite)
+    fn()
+    this: currentSuite(parent)
+  }
+
+  function it = |this, description, fn| {
+    let parent = this: currentSuite()
+    parent: add(Test(
+      description,
+      fn,
+      parent,
+      this: reporter(): onTestStarted(),
+      this: reporter(): onTestDone()
+    ))
+  }
+
+  function beforeEach = |runner, fn| -> runner: currentSuite(): addBeforeEach(fn)
+  function afterEach = |runner, fn| -> runner: currentSuite(): addAfterEach(fn)
+}

src/main/golo/testing/console.golo

@@ -0,0 +1,94 @@
+module gololang.testing.presenters.Console
+
+import gololang.testing.Presenter
+import gololang.AnsiCodes
+
+
+function Console = {
+  let level = DynamicObject(): position(-1): indentSize(2)
+
+  let fwd = -> level: position(level: position() + 1)
+  let bwd = -> level: position(level: position() - 1)
+  let spaces = -> (level: position() * level: indentSize()): times({ print(" ")})
+
+  return Presenter()
+    :onTestStarted(|test| {
+      fwd()
+      spaces()
+      _onTestStarted(test)
+    })
+    :onTestDone(|test| {
+      spaces()
+      _onTestDone(test)
+      bwd()
+    })
+    :onSuiteStarted(|suite| {
+      fwd()
+      spaces()
+      _onSuiteStarted(suite)
+    })
+    :onSuiteDone(|suite| {
+      spaces()
+      _onSuiteDone(suite)
+      bwd()
+    })
+    :onGlobalStarted(|runner| {
+      _onGlobalStarted(runner)
+    })
+    :onGlobalDone(|runner| {
+      _onGlobalDone(runner)
+    })
+}
+
+local function success = |msg| {
+  fg_green()
+  println(msg)
+  reset()
+}
+
+local function error = |msg| {
+  fg_red()
+  println(msg)
+  reset()
+}
+
+local function warning = |msg| {
+  fg_yellow()
+  println(msg)
+  reset()
+}
+
+local function info = |msg| {
+  fg_blue()
+  println(msg)
+  reset()
+}
+
+local function _onTestStarted = |test| {
+#  info(test: description())
+}
+
+local function _onTestDone = |test| {
+  if (test: failed()) {
+    error(test: description())
+  } else {
+    success(test: description())
+  }
+}
+
+local function _onSuiteStarted = |suite| {
+#  success(suite: description())
+  println(suite: description())
+}
+
+local function _onSuiteDone = |suite| {
+#  error(suite: description())
+}
+
+local function _onGlobalStarted = |runner| {
+#  println("Global started...")
+}
+
+local function _onGlobalDone = |runner| {
+  info("Total " + runner: currentSuite(): report(): total() + " tests ran. Failures " + runner: currentSuite(): report(): failures())
+}

src/main/golo/testing/presenter.golo

@@ -0,0 +1,11 @@
+module gololang.testing.Presenter
+
+struct Presenter = {
+  onGlobalStarted,
+  onGlobalDone,
+  onSuiteStarted,
+  onSuiteDone,
+  onTestStarted,
+  onTestDone
+}
+

src/main/golo/testing/reporter.golo

@@ -0,0 +1,24 @@
+module gololang.testing.Reporter
+
+struct Reporter = {
+  presenters
+}
+
+function Reporter = -> gololang.testing.Reporter.types.Reporter(list[])
+
+augment gololang.testing.Reporter.types.Reporter {
+
+  function addPresenter = |this, presenter| { this: presenters(): add(presenter) }
+
+  function onTestStarted = |this| -> |test| -> this: presenters(): each(|p| -> p: onTestStarted()(test))
+
+  function onTestDone = |this| -> |test| -> this: presenters(): each(|p| -> p: onTestDone()(test))
+
+  function onSuiteStarted = |this| -> |suite| -> this: presenters(): each(|p| -> p: onSuiteStarted()(suite))
+
+  function onSuiteDone = |this| -> |suite| -> this: presenters(): each(|p| -> p: onSuiteDone()(suite))
+
+  function onGlobalStarted = |this, runner| -> this: presenters(): each(|p| -> p: onGlobalStarted()(runner))
+
+  function onGlobalDone = |this, runner| -> this: presenters(): each(|p| -> p: onGlobalDone()(runner))
+}

src/main/golo/testing/runner.golo

@@ -0,0 +1,31 @@
+module gololang.testing.Runner
+
+import gololang.testing.Utils
+
+import gololang.testing.Suite
+import gololang.testing.Test
+import gololang.testing.Reporter
+import gololang.testing.presenters.Console
+
+struct Runner = {
+  currentSuite,
+  reporter
+}
+
+function build = {
+  let reporter = Reporter()
+  let top_level_suite = Suite("TOP_LEVEL_SUITE", null, NO_OP_1(), NO_OP_1())
+  let runner = Runner(top_level_suite, reporter)
+  runner: addPresenter(Console())
+  return runner
+}
+
+augment gololang.testing.Runner.types.Runner {
+  function run = |this| {
+    this: reporter(): onGlobalStarted(this)
+    this: currentSuite(): run()
+    this: reporter(): onGlobalDone(this)
+  }
+
+  function addPresenter = |this, presenter| -> this: reporter(): addPresenter(presenter)
+}

src/main/golo/testing/suite.golo

@@ -0,0 +1,73 @@
+module gololang.testing.Suite
+
+import gololang.testing.Test
+
+struct Suite = {
+  description,
+  parent,
+  children,
+  befores,
+  afters,
+  onStart,
+  onDone,
+  report
+}
+
+struct SuiteReport = {
+ total,
+ failures
+}
+
+function Suite = |description, parent, onStart, onDone| -> gololang.testing.Suite.types.Suite()
+:description(description)
+:parent(parent)
+:children(list[])
+:befores(list[])
+:afters(list[])
+:onStart(onStart)
+:onDone(onDone)
+:report(SuiteReport(0, 0))
+
+augment gololang.testing.Suite.types.SuiteReport {
+  function addExcutedTest = |this, child| {
+    if child oftype gololang.testing.Suite.types.Suite.class {
+      this: total( this: total() + child: report(): total() )
+    } else {
+      this: total( this: total() + 1)
+    }
+  }
+  function addFailures = |this, child| {
+    if child oftype gololang.testing.Suite.types.Suite.class {
+      this: failures( this: failures() + child: report(): failures() )
+    } else {
+      this: failures( this: failures() + 1)
+    }
+  }
+}
+
+augment gololang.testing.Suite.types.Suite {
+
+  function run = |this| {
+    this: onStart()(this)
+    this: children(): each(|child| {
+      this: befores(): each(|before| -> before())
+      child: run()
+      this: report(): addExcutedTest(child)
+      if child: failed() {
+        this: report(): addFailures(child)
+      }
+      this: afters(): each(|after| -> after())
+    })
+    this: onDone()(this)
+  }
+
+  function add = |this, it| {
+    it: parent(this)
+    this: children(): add(it)
+  }
+
+  function failed = |this| -> this: report(): failures() isnt 0
+
+  function addBeforeEach = |this, before| -> this: befores(): add(before)
+  function addAfterEach = |this, after| -> this: afters(): add(after)
+}

src/main/golo/testing/test.golo

@@ -0,0 +1,34 @@
+module gololang.testing.Test
+
+struct Test = {
+  description,
+  fn,
+  parent,
+  onStart,
+  onDone,
+  status
+}
+
+function Test = |description, fn, parent, onStart, onDone| -> gololang.testing.Test.types.Test()
+:description(description)
+:fn(fn)
+:parent(parent)
+:onStart(onStart)
+:onDone(onDone)
+:status("not_started")
+
+local function _failed = -> "failed"
+
+augment gololang.testing.Test.types.Test {
+  function run = |this| {
+    this: onStart()(this)
+    try {
+      this: fn()()
+    } catch (e) {
+      this: status(_failed())
+    }
+    this: onDone()(this)
+  }
+
+  function failed = |this| -> this: status() is _failed()
+}

src/main/golo/testing/utils.golo

@@ -0,0 +1,3 @@
+module gololang.testing.Utils
+
+function NO_OP_1 = -> |x|{}