Specs2 toolchain

.travis.yml

@@ -64,6 +64,10 @@ jobs:
     - name: "[linux] Dry test rules_scala + latest bazel version"
       <<: *linux
       env: TEST_SCRIPT=test_rules_scala XDG_CACHE_HOME=~/xdg_cache USE_BAZEL_VERSION=latest
+    - name: "[linux] Examples"
+      <<: *linux
+      env: TEST_SCRIPT=test_examples XDG_CACHE_HOME=~/xdg_cache
+
 
   allow_failures:
     env: TEST_SCRIPT=test_rules_scala XDG_CACHE_HOME=~/xdg_cache USE_BAZEL_VERSION=latest

docs/testing.md

@@ -11,12 +11,17 @@ junit_repositories()
 junit_toolchain()
 
 # ScalaTest
-load(""@io_bazel_rules_scala//testing:scalatest.bzl", "scalatest_repositories", "scalatest_toolchain")
+load("@io_bazel_rules_scala//testing:scalatest.bzl", "scalatest_repositories", "scalatest_toolchain")
 scalatest_repositories()
 scalatest_toolchain()
+
+# Specs2 with Junit
+load("@io_bazel_rules_scala//testing:specs2_junit.bzl", "specs2_junit_repositories", "specs2_junit_toolchain")
+specs2_junit_repositories()
+specs2_junit_toolchain()
 ```
 
-### Example to set up JUnit dependencies
+### Configuring JUnit dependencies via toolchain
 
 `BUILD` file content in your preferred package:
 ```starlark
@@ -48,13 +53,18 @@ declare_deps_provider(
     ],
 )
 ```
-
+Register toolchain
+```starlark
+# WORKSPACE
+register_toolchains('//my/package:testing_toolchains_with_junit')
+```
 `junit_classpath_provider` (deps_id `junit_classpath`) is where classpath required for junit tests
 is defined.
 
-ScalaTest support can be enabled by configuring a provider with an id `scalatest_classpath`:
+### ScalaTest dependencies can be configured by decalring a provider with an id `scalatest_classpath`:
 
 ```starlark
+# my/package/BUILD
 scala_testing_toolchain(
     name = "testing_toolchains_with_scalatest",
     dep_providers = [
@@ -80,10 +90,66 @@ declare_deps_provider(
     ],
 )
 ```
-
-Toolchain must be registered in your `WORKSPACE` file: 
+Register toolchain
 ```starlark
-register_toolchains('//my/package:testing_toolchain')
+# WORKSPACE
+register_toolchains('//my/package:testing_toolchains_with_scalatest')
 ```
 
-Single toolchain can be used to configure multiple testing rules (JUnit 4, ScalaTest).
+### Specs2 with Junit support can be configured by declaring providers with
+`junit_classpath_provider`, `specs2_classpath_provider`, `specs2_junit_classpath_provider` ids:
+```starlark
+# my/package/BUILD
+scala_testing_toolchain(
+    name = "testing_toolchains_with_specs2_junit_impl",
+    dep_providers = [
+        ":junit_classpath_provider",
+        ":specs2_classpath_provider",
+        ":specs2_junit_classpath_provider",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+toolchain(
+    name = "testing_toolchains_with_specs2_junit",
+    toolchain = ":testing_toolchains_with_specs2_junit_impl",
+    toolchain_type = "@io_bazel_rules_scala//testing/toolchain:testing_toolchain_type",
+    visibility = ["//visibility:public"],
+)
+
+declare_deps_provider(
+    name = "junit_classpath_provider",
+    deps_id = "junit_classpath",
+    visibility = ["//visibility:public"],
+    deps = [
+        "@my_hamcrest_core",
+        "@my_junit",
+    ],
+)
+
+declare_deps_provider(
+    name = "specs2_classpath_provider",
+    deps_id = "specs2_classpath",
+    visibility = ["//visibility:public"],
+    deps = [
+        "@my_specs2_common",
+        "@my_specs2_core",
+        "@my_specs2_fp",
+        "@my_specs2_matcher",
+    ],
+)
+
+declare_deps_provider(
+    name = "specs2_junit_classpath_provider",
+    deps_id = "specs2_junit_classpath",
+    visibility = ["//visibility:public"],
+    deps = [
+        "@my_specs2_junit",
+    ],
+)
+```
+Register toolchain
+```starlark
+# WORKSPACE
+register_toolchains('//my/package:testing_toolchains_with_specs2_junit')
+```

examples/testing/specs2_junit_repositories/WORKSPACE

@@ -0,0 +1,35 @@
+workspace(name = "specs2_junit_repositories")
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+skylib_version = "1.0.3"
+
+http_archive(
+    name = "bazel_skylib",
+    sha256 = "1c531376ac7e5a180e0237938a2536de0c54d93f5c278634818e0efc952dd56c",
+    type = "tar.gz",
+    url = "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/{}/bazel-skylib-{}.tar.gz".format(skylib_version, skylib_version),
+)
+
+local_repository(
+    name = "io_bazel_rules_scala",
+    path = "../../..",
+)
+
+load("@io_bazel_rules_scala//:scala_config.bzl", "scala_config")
+
+scala_config()
+
+load("@io_bazel_rules_scala//scala:scala.bzl", "scala_repositories")
+
+scala_repositories()
+
+load("@io_bazel_rules_scala//scala:toolchains.bzl", "scala_register_toolchains")
+
+scala_register_toolchains()
+
+load("@io_bazel_rules_scala//testing:specs2_junit.bzl", "specs2_junit_repositories", "specs2_junit_toolchain")
+
+specs2_junit_repositories()
+
+specs2_junit_toolchain()

examples/testing/specs2_junit_repositories/example/BUILD

@@ -0,0 +1,7 @@
+load("@io_bazel_rules_scala//scala:scala.bzl", "scala_specs2_junit_test")
+
+scala_specs2_junit_test(
+    name = "example",
+    srcs = ["Specs2ExampleTest.scala"],
+    suffixes = ["Test"],
+)

examples/testing/specs2_junit_repositories/example/Specs2ExampleTest.scala

@@ -0,0 +1,9 @@
+package example
+
+import org.specs2.mutable.SpecWithJUnit
+
+class Specs2ExampleTest extends SpecWithJUnit {
+  "works" in {
+    1 mustEqual 1
+  }
+}

specs2/BUILD

@@ -6,10 +6,7 @@ java_import(
     name = "specs2",
     jars = [],
     exports = [
-        "@io_bazel_rules_scala_org_specs2_specs2_common",
-        "@io_bazel_rules_scala_org_specs2_specs2_core",
-        "@io_bazel_rules_scala_org_specs2_specs2_fp",
-        "@io_bazel_rules_scala_org_specs2_specs2_matcher",
+        "//testing/toolchain:specs2_classapath",
     ],
     deps = [
         "//scala/private/toolchain_deps:scala_library_classpath",

test/shell/test_examples.sh

@@ -8,4 +8,9 @@ function scalatest_repositories_example() {
   (cd examples/testing/scalatest_repositories; bazel test //...)
 }
 
+function specs2_junit_repositories_example() {
+  (cd examples/testing/specs2_junit_repositories; bazel test //...)
+}
+
 $runner scalatest_repositories_example
+$runner specs2_junit_repositories_example

test_examples.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -e
+
+test_dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )/test/shell
+
+. "${test_dir}"/test_examples.sh

test_rules_scala.sh

@@ -46,4 +46,3 @@ $runner bazel test //test/... --extra_toolchains="//test_expect_failure/plus_one
 . "${test_dir}"/test_toolchain.sh
 . "${test_dir}"/test_unused_dependency.sh
 . "${test_dir}"/test_twitter_scrooge.sh
-. "${test_dir}"/test_examples.sh

testing/BUILD

@@ -6,6 +6,8 @@ scala_testing_toolchain(
     dep_providers = [
         ":junit_classpath_provider",
         ":scalatest_classpath_provider",
+        ":specs2_classpath_provider",
+        ":specs2_junit_classpath_provider",
     ],
     visibility = ["//visibility:public"],
 )
@@ -32,6 +34,23 @@ toolchain(
     visibility = ["//visibility:public"],
 )
 
+scala_testing_toolchain(
+    name = "specs2_junit_toolchain_impl",
+    dep_providers = [
+        ":junit_classpath_provider",
+        ":specs2_classpath_provider",
+        ":specs2_junit_classpath_provider",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+toolchain(
+    name = "specs2_junit_toolchain",
+    toolchain = ":specs2_junit_toolchain_impl",
+    toolchain_type = "@io_bazel_rules_scala//testing/toolchain:testing_toolchain_type",
+    visibility = ["//visibility:public"],
+)
+
 scala_testing_toolchain(
     name = "junit_toolchain_impl",
     dep_providers = [
@@ -66,3 +85,24 @@ declare_deps_provider(
         "//external:io_bazel_rules_scala/dependency/scala/scalatest/scalatest",
     ],
 )
+
+declare_deps_provider(
+    name = "specs2_classpath_provider",
+    deps_id = "specs2_classpath",
+    visibility = ["//visibility:public"],
+    deps = [
+        "@io_bazel_rules_scala_org_specs2_specs2_common",
+        "@io_bazel_rules_scala_org_specs2_specs2_core",
+        "@io_bazel_rules_scala_org_specs2_specs2_fp",
+        "@io_bazel_rules_scala_org_specs2_specs2_matcher",
+    ],
+)
+
+declare_deps_provider(
+    name = "specs2_junit_classpath_provider",
+    deps_id = "specs2_junit_classpath",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//external:io_bazel_rules_scala/dependency/specs2/specs2_junit",
+    ],
+)

testing/specs2_junit.bzl

@@ -0,0 +1,7 @@
+load("//specs2:specs2_junit.bzl", _repositories = "specs2_junit_repositories")
+
+def specs2_junit_repositories():
+    _repositories()
+
+def specs2_junit_toolchain():
+    native.register_toolchains("@io_bazel_rules_scala//testing:specs2_junit_toolchain")

testing/toolchain/BUILD

@@ -16,3 +16,15 @@ testing_toolchain_deps(
     deps_id = "scalatest_classpath",
     visibility = ["//visibility:public"],
 )
+
+testing_toolchain_deps(
+    name = "specs2_classapath",
+    deps_id = "specs2_classpath",
+    visibility = ["//visibility:public"],
+)
+
+testing_toolchain_deps(
+    name = "specs2_junit_classapath",
+    deps_id = "specs2_junit_classpath",
+    visibility = ["//visibility:public"],
+)