Customizable phases tests

test/phase/BUILD

@@ -0,0 +1,30 @@
+load(
+    "//test/phase:customizability_test.bzl",
+    "add_phase_customizability_test_singleton",
+    "customizability_test_scala_binary",
+    "customizability_test_scala_library",
+    "customizability_test_scala_test",
+)
+
+add_phase_customizability_test_singleton(
+    name = "phase_customizability_test",
+    visibility = ["//visibility:public"],
+)
+
+customizability_test_scala_binary(
+    name = "HelloBinary",
+    srcs = ["HelloBinary.scala"],
+    main_class = "scalarules.test.phase.HelloBinary",
+)
+
+customizability_test_scala_library(
+    name = "HelloLibrary",
+    srcs = ["HelloLibrary.scala"],
+    custom_content = "This is custom content in library",
+)
+
+customizability_test_scala_test(
+    name = "HelloTest",
+    srcs = ["HelloTest.scala"],
+    custom_content = "This is custom content in test",
+)

test/phase/HelloBinary.scala

@@ -0,0 +1,7 @@
+package scalarules.test.phase
+
+object HelloBinary {
+  def main(args: Array[String]) {
+    val message = "You can customize binary phases!"
+  }
+}

test/phase/HelloLibrary.scala

@@ -0,0 +1,5 @@
+package scalarules.test.phase
+
+object HelloLibrary {
+  val message = "You can customize library phases!"
+}

test/phase/HelloTest.scala

@@ -0,0 +1,10 @@
+package scalarules.test.phase
+
+import org.scalatest._
+
+class HelloTest extends FlatSpec {
+  val message = "You can customize test phases!"
+  "HelloTest" should "be able to customize test phases!" in {
+    assert(message.equals("You can customize test phases!"))
+  }
+}

test/phase/customizability_test.bzl

@@ -0,0 +1,45 @@
+load(
+    "//scala:providers.bzl",
+    _ScalaRulePhase = "ScalaRulePhase",
+)
+load(
+    "//test/phase:phase_customizability_test.bzl",
+    _phase_customizability_test = "phase_customizability_test",
+)
+load(
+    "//scala:scala.bzl",
+    _make_scala_binary = "make_scala_binary",
+    _make_scala_library = "make_scala_library",
+    _make_scala_test = "make_scala_test",
+)
+
+ext_add_phase_customizability_test = {
+    "attrs": {
+        "custom_content": attr.string(
+            default = "This is custom content",
+        ),
+    },
+    "outputs": {
+        "custom_output": "%{name}.custom-output",
+    },
+    "phase_providers": [
+        "//test/phase:phase_customizability_test",
+    ],
+}
+
+def _add_phase_customizability_test_singleton_implementation(ctx):
+    return [
+        _ScalaRulePhase(
+            phases = [
+                ("-", "final", "customizability_test", _phase_customizability_test),
+            ],
+        ),
+    ]
+
+add_phase_customizability_test_singleton = rule(
+    implementation = _add_phase_customizability_test_singleton_implementation,
+)
+
+customizability_test_scala_binary = _make_scala_binary(ext_add_phase_customizability_test)
+customizability_test_scala_library = _make_scala_library(ext_add_phase_customizability_test)
+customizability_test_scala_test = _make_scala_test(ext_add_phase_customizability_test)

test/phase/phase_customizability_test.bzl

@@ -0,0 +1,10 @@
+#
+# PHASE: customizability test
+#
+# A dummy test phase to make sure rules are customizable
+#
+def phase_customizability_test(ctx, p):
+    ctx.actions.write(
+        output = ctx.outputs.custom_output,
+        content = ctx.attr.custom_content,
+    )

test/shell/test_phase.sh

@@ -0,0 +1,47 @@
+# shellcheck source=./test_runner.sh
+dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+. "${dir}"/test_runner.sh
+. "${dir}"/test_helper.sh
+runner=$(get_test_runner "${1:-local}")
+
+output_file_should_contain_message() {
+  set +e
+  MSG=$1
+  TEST_ARG=${@:2}
+  OUTPUT_FILE=$(echo ${@:3} | sed 's#//#/#g;s#:#/#g')
+  OUTPUT_PATH=$(bazel info bazel-bin)/$OUTPUT_FILE
+  bazel $TEST_ARG
+  RESPONSE_CODE=$?
+  cat $OUTPUT_PATH | grep -- "$MSG"
+  GREP_RES=$?
+  if [ $RESPONSE_CODE -ne 0 ]; then
+    echo -e "${RED} \"bazel $TEST_ARG\" should pass but failed. $NC"
+    exit 1
+  elif [ $GREP_RES -ne 0 ]; then
+    echo -e "${RED} \"bazel $TEST_ARG\" should pass with \"$MSG\" in file \"$OUTPUT_FILE\" but did not. $NC"
+    exit 1
+  else
+    exit 0
+  fi
+}
+test_scala_binary_with_extra_phase() {
+  output_file_should_contain_message \
+    "This is custom content" \
+    build //test/phase:HelloBinary.custom-output
+}
+
+test_scala_library_with_extra_phase_and_custom_content() {
+  output_file_should_contain_message \
+    "This is custom content in library" \
+    build //test/phase:HelloLibrary.custom-output
+}
+
+test_scala_test_with_extra_phase_and_custom_content() {
+  output_file_should_contain_message \
+    "This is custom content in test" \
+    build //test/phase:HelloTest.custom-output
+}
+
+$runner test_scala_binary_with_extra_phase
+$runner test_scala_library_with_extra_phase_and_custom_content
+$runner test_scala_test_with_extra_phase_and_custom_content

test_rules_scala.sh

@@ -29,6 +29,7 @@ $runner bazel test //test/... --extra_toolchains="//test_expect_failure/plus_one
 . "${test_dir}"/test_javac_jvm_flags.sh
 . "${test_dir}"/test_junit.sh
 . "${test_dir}"/test_misc.sh
+. "${test_dir}"/test_phase.sh
 . "${test_dir}"/test_scala_binary.sh
 . "${test_dir}"/test_scalac_jvm_flags.sh
 . "${test_dir}"/test_scala_classpath.sh