Zipmerge: port tests from internal repo

Author: redsun82

.github/workflows/zipmerge-test.yml

@@ -0,0 +1,23 @@
+name: "Test zipmerge code"
+
+on:
+  pull_request:
+    paths:
+      - "misc/bazel/internal/zipmerge/**"
+      - "MODULE.bazel"
+      - ".bazelrc*"
+    branches:
+      - main
+      - "rc/*"
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          bazel test //misc/bazel/internal/zipmerge:test

MODULE.bazel

@@ -24,6 +24,7 @@ bazel_dep(name = "nlohmann_json", version = "3.11.3", repo_name = "json")
 bazel_dep(name = "fmt", version = "10.0.0")
 bazel_dep(name = "gazelle", version = "0.36.0")
 bazel_dep(name = "rules_dotnet", version = "0.15.1")
+bazel_dep(name = "googletest", version = "1.14.0.bcr.1")
 
 bazel_dep(name = "buildifier_prebuilt", version = "6.4.0", dev_dependency = True)
 

misc/bazel/internal/zipmerge/BUILD.bazel

@@ -4,9 +4,6 @@ cc_library(
         "zipmerge.cpp",
     ],
     hdrs = ["zipmerge.h"],
-    visibility = ["//visibility:public"],
-    # this is to make internal repo be able to keep on testing this code
-    # before we fully port tests here
 )
 
 cc_binary(
@@ -20,4 +17,12 @@ cc_binary(
     ],
 )
 
-#TODO port tests from internal repo
+cc_test(
+    name = "test",
+    size = "small",
+    deps = [
+        ":lib",
+        "@bazel_tools//tools/cpp/runfiles",
+        "@googletest//:gtest_main",
+    ],
+)