From bc3cba38457f5e44c00e0c5f5d7acf5936cbfa11 Mon Sep 17 00:00:00 2001
From: Guillaume Maudoux <guillaume.maudoux@tweag.io>
Date: Thu, 28 Dec 2023 15:00:40 +0100
Subject: [PATCH] bazel_7: Cleanup tests a bit

---
 .../bazel/bazel_7/java-test.nix               | 89 +++++++++++++++++++
 .../build-managers/bazel/bazel_7/tests.nix    | 12 ++-
 2 files changed, 94 insertions(+), 7 deletions(-)
 create mode 100644 pkgs/development/tools/build-managers/bazel/bazel_7/java-test.nix

diff --git a/pkgs/development/tools/build-managers/bazel/bazel_7/java-test.nix b/pkgs/development/tools/build-managers/bazel/bazel_7/java-test.nix
new file mode 100644
index 000000000000..2b231dc52a6e
--- /dev/null
+++ b/pkgs/development/tools/build-managers/bazel/bazel_7/java-test.nix
@@ -0,0 +1,89 @@
+{ bazel
+, bazelTest
+, bazel-examples
+, stdenv
+, symlinkJoin
+, callPackage
+, darwin
+, extraBazelArgs ? ""
+, lib
+, openjdk8
+, jdk11_headless
+, runLocal
+, runtimeShell
+, writeScript
+, writeText
+, repoCache ? "unused"
+, distDir
+}:
+
+let
+
+  localDistDir = callPackage ./bazel-repository-cache.nix {
+    lockfile = ./cpp-test-MODULE.bazel.lock;
+
+    # Take all the rules_ deps, bazel_ deps and their transitive dependencies,
+    # but none of the platform-specific binaries, as they are large and useless.
+    requiredDepNamePredicate = name:
+      null == builtins.match ".*(macos|osx|linux|win|apple|android|maven).*" name
+      && null != builtins.match "(platforms|com_google_|protobuf|rules_|bazel_).*" name ;
+  };
+
+  mergedDistDir = symlinkJoin {
+    name = "mergedDistDir";
+    paths = [ localDistDir distDir ];
+  };
+
+  toolsBazel = writeScript "bazel" ''
+    #! ${runtimeShell}
+
+    export CXX='${stdenv.cc}/bin/clang++'
+    export LD='${darwin.cctools}/bin/ld'
+    export LIBTOOL='${darwin.cctools}/bin/libtool'
+    export CC='${stdenv.cc}/bin/clang'
+
+    # XXX: hack for macosX, this flags disable bazel usage of xcode
+    # See: https://github.com/bazelbuild/bazel/issues/4231
+    export BAZEL_USE_CPP_ONLY_TOOLCHAIN=1
+
+    exec "$BAZEL_REAL" "$@"
+  '';
+
+  workspaceDir = runLocal "our_workspace" {} (''
+    cp -r ${bazel-examples}/java-tutorial $out
+    find $out -type d -exec chmod 755 {} \;
+    cp ${./cpp-test-MODULE.bazel} $out/MODULE.bazel
+    cp ${./cpp-test-MODULE.bazel.lock} $out/MODULE.bazel.lock
+  ''
+  + (lib.optionalString stdenv.isDarwin ''
+    mkdir $out/tools
+    cp ${toolsBazel} $out/tools/bazel
+  ''));
+
+  testBazel = bazelTest {
+    name = "bazel-test-java";
+    inherit workspaceDir;
+    bazelPkg = bazel;
+    buildInputs = [ (if lib.strings.versionOlder bazel.version "5.0.0" then openjdk8 else jdk11_headless) ];
+    bazelScript = ''
+      ${bazel}/bin/bazel \
+        run \
+        --announce_rc \
+        ${lib.optionalString (lib.strings.versionOlder "5.0.0" bazel.version)
+          "--toolchain_resolution_debug='@bazel_tools//tools/jdk:(runtime_)?toolchain_type'"
+        } \
+        --distdir=${mergedDistDir} \
+        --repository_cache=${mergedDistDir} \
+        --verbose_failures \
+        --curses=no \
+        --strict_java_deps=off \
+        //:ProjectRunner \
+    '' + lib.optionalString (lib.strings.versionOlder bazel.version "5.0.0") ''
+        --host_javabase='@local_jdk//:jdk' \
+        --java_toolchain='@bazel_tools//tools/jdk:toolchain_hostjdk8' \
+        --javabase='@local_jdk//:jdk' \
+    '' + extraBazelArgs;
+  };
+
+in testBazel
+
diff --git a/pkgs/development/tools/build-managers/bazel/bazel_7/tests.nix b/pkgs/development/tools/build-managers/bazel/bazel_7/tests.nix
index 7aafce0f4619..427ecda09c33 100644
--- a/pkgs/development/tools/build-managers/bazel/bazel_7/tests.nix
+++ b/pkgs/development/tools/build-managers/bazel/bazel_7/tests.nix
@@ -6,15 +6,13 @@
 , recurseIntoAttrs
 , runCommandCC
 , stdenv
-, fetchurl
   # inputs
 , Foundation
 , bazel_self
 , lr
 , xe
-, bazel-watcher
 , lockfile
-, repoCache
+, ...
 }:
 let
   inherit (stdenv.hostPlatform) isDarwin;
@@ -133,7 +131,7 @@ let
         inherit Foundation;
         inherit bazel;
         distDir = testsDistDir;
-        extraBazelArgs = "";
+        extraBazelArgs = "--noenable_bzlmod";
         repoCache = testsRepoCache;
       };
     in
@@ -146,10 +144,10 @@ let
         };
       }) // {
         bashTools = callBazelTest ../bash-tools-test.nix { };
-        cpp = callBazelTest ./cpp-test.nix { };
-        java = callBazelTest ../java-test.nix {
-          extraBazelArgs = "--noenable_bzlmod";
+        cpp = callBazelTest ./cpp-test.nix {
+          extraBazelArgs = "";
         };
+        java = callBazelTest ./java-test.nix { };
         pythonBinPath = callBazelTest ../python-bin-path-test.nix { };
         protobuf = callBazelTest ./protobuf-test.nix { };
       }