Add integration tests

Author: liucijus

test/shell/test_compiler_dependency_tracking.sh

@@ -0,0 +1,29 @@
+# shellcheck source=./test_runner.sh
+dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+. "${dir}"/test_runner.sh
+. "${dir}"/test_helper.sh
+runner=$(get_test_runner "${1:-local}")
+
+# fails unused dep
+
+test_fails_for_unused_dep() {
+  action_should_fail_with_message \
+    "buildozer 'remove deps //test_expect_failure/compiler_dependency_tracker:E' //test_expect_failure/compiler_dependency_tracker:unused_dep" \
+    build --extra_toolchains="//test_expect_failure/compiler_dependency_tracker:ast_plus_error" //test_expect_failure/compiler_dependency_tracker:unused_dep
+}
+
+test_fails_for_missing_compile_dep() {
+  action_should_fail_with_message \
+    "buildozer 'add deps //test_expect_failure/compiler_dependency_tracker:E' //test_expect_failure/compiler_dependency_tracker:missing_compile_dep" \
+    build --extra_toolchains="//test_expect_failure/compiler_dependency_tracker:ast_plus_error" //test_expect_failure/compiler_dependency_tracker:missing_compile_dep
+}
+
+test_fails_for_strict_dep() {
+  action_should_fail_with_message \
+    "buildozer 'add deps //test_expect_failure/compiler_dependency_tracker:E' //test_expect_failure/compiler_dependency_tracker:missing_source_dep" \
+    build --extra_toolchains="//test_expect_failure/compiler_dependency_tracker:ast_plus_error" //test_expect_failure/compiler_dependency_tracker:missing_source_dep
+}
+
+$runner test_fails_for_unused_dep
+$runner test_fails_for_missing_compile_dep
+$runner test_fails_for_strict_dep

test_expect_failure/compiler_dependency_tracker/A.scala

@@ -0,0 +1 @@
+class A

test_expect_failure/compiler_dependency_tracker/B.scala

@@ -0,0 +1 @@
+class B extends D

test_expect_failure/compiler_dependency_tracker/BUILD

@@ -0,0 +1,54 @@
+load("//scala:scala_toolchain.bzl", "scala_toolchain")
+load("@io_bazel_rules_scala//scala:scala.bzl", "scala_library")
+
+scala_toolchain(
+    name = "ast_plus_error_impl",
+    compiler_deps_mode = "error",
+    dependency_mode = "plus-one",
+    dependency_tracking_method = "ast-plus",
+    strict_deps_mode = "error",
+    unused_dependency_checker_mode = "error",
+    visibility = ["//visibility:public"],
+)
+
+toolchain(
+    name = "ast_plus_error",
+    toolchain = ":ast_plus_error_impl",
+    toolchain_type = "@io_bazel_rules_scala//scala:toolchain_type",
+    visibility = ["//visibility:public"],
+)
+
+scala_library(
+    name = "unused_dep",
+    srcs = ["A.scala"],
+    deps = [":E"],
+)
+
+scala_library(
+    name = "missing_compile_dep",
+    srcs = ["B.scala"],
+    deps = [":D"],
+)
+
+scala_library(
+    name = "missing_source_dep",
+    srcs = ["C.scala"],
+    deps = [":D"],
+)
+
+scala_library(
+    name = "B",
+    srcs = ["B.scala"],
+    deps = [":D"],
+)
+
+scala_library(
+    name = "D",
+    srcs = ["D.scala"],
+    deps = [":E"],
+)
+
+scala_library(
+    name = "E",
+    srcs = ["E.scala"],
+)

test_expect_failure/compiler_dependency_tracker/C.scala

@@ -0,0 +1,3 @@
+class C extends D {
+  val e: E = ???
+}

test_expect_failure/compiler_dependency_tracker/D.scala

@@ -0,0 +1,2 @@
+class D extends E {
+}

test_expect_failure/compiler_dependency_tracker/E.scala

@@ -0,0 +1 @@
+class E

test_rules_scala.sh

@@ -52,5 +52,6 @@ $runner bazel build //test_statsfile:SimpleNoStatsFile_statsfile --extra_toolcha
 . "${test_dir}"/test_toolchain.sh
 . "${test_dir}"/test_strict_dependency.sh
 . "${test_dir}"/test_unused_dependency.sh
+. "${test_dir}"/test_compiler_dependency_tracking.sh
 . "${test_dir}"/test_twitter_scrooge.sh
 . "${test_dir}"/test_inherited_environment.sh