[bazel] Clean up bazel scripts (#7984)

wpilibjExamples/BUILD.bazel

@@ -1,6 +1,6 @@
 load("@aspect_bazel_lib//lib:write_source_files.bzl", "write_source_file")
 load("@rules_python//python:defs.bzl", "py_binary")
-load("//wpilibjExamples:build_java_examples.bzl", "build_commands", "build_examples", "build_snippets", "build_templates")
+load("//wpilibjExamples:build_java_examples.bzl", "build_commands", "build_examples", "build_snippets", "build_templates", "build_tests")
 
 py_binary(
     name = "generate_bazel_files",
@@ -44,3 +44,5 @@ build_examples(halsim_deps = halsim_deps)
 build_snippets()
 
 build_templates()
+
+build_tests()

wpilibjExamples/build_java_examples.bzl

@@ -1,5 +1,6 @@
 load("@rules_java//java:defs.bzl", "java_binary", "java_library")
-load("//wpilibjExamples:example_projects.bzl", "COMMANDS_V2_FOLDERS", "EXAMPLES_FOLDERS", "SNIPPETS_FOLDERS", "TEMPLATES_FOLDERS")
+load("//shared/bazel/rules:java_rules.bzl", "wpilib_java_junit5_test")
+load("//wpilibjExamples:example_projects.bzl", "COMMANDS_V2_FOLDERS", "EXAMPLES_FOLDERS", "SNIPPETS_FOLDERS", "TEMPLATES_FOLDERS", "TEST_FOLDERS")
 
 def build_examples(halsim_deps):
     for folder in EXAMPLES_FOLDERS:
@@ -69,3 +70,20 @@ def build_templates():
             ],
             tags = ["wpi-example"],
         )
+
+def build_tests():
+    for folder in TEST_FOLDERS:
+        wpilib_java_junit5_test(
+            name = folder + "-test",
+            srcs = native.glob(["src/test/java/edu/wpi/first/wpilibj/examples/" + folder + "/**/*.java"]),
+            deps = [
+                ":" + folder + "-example",
+                "//hal:hal-java",
+                "//ntcore:networktables-java",
+                "//wpilibj:wpilibj",
+                "//wpilibNewCommands:wpilibNewCommands-java",
+                "//wpimath:wpimath-java",
+                "//wpiutil:wpiutil-java",
+            ],
+            tags = ["wpi-example"],
+        )

wpilibjExamples/example_projects.bzl

@@ -97,5 +97,10 @@ TEMPLATES_FOLDERS = [
 ]
 
 TEST_FOLDERS = [
+    "armsimulation",
+    "digitalcommunication",
+    "elevatorsimulation",
+    "i2ccommunication",
+    "potentiometerpid",
     "unittest",
 ]

wpilibjExamples/src/main/java/edu/wpi/first/wpilibj/examples/examples.json

@@ -114,7 +114,8 @@
     "foldername": "potentiometerpid",
     "gradlebase": "java",
     "mainclass": "Main",
-    "commandversion": 2
+    "commandversion": 2,
+    "hasunittests": true
   },
   {
     "name": "Elevator with trapezoid profiled PID",
@@ -607,7 +608,8 @@
     "foldername": "elevatorsimulation",
     "gradlebase": "java",
     "mainclass": "Main",
-    "commandversion": 2
+    "commandversion": 2,
+    "hasunittests": true
   },
   {
     "name": "Elevator Exponential Profile Simulation",
@@ -640,7 +642,8 @@
     "foldername": "armsimulation",
     "gradlebase": "java",
     "mainclass": "Main",
-    "commandversion": 2
+    "commandversion": 2,
+    "hasunittests": true
   },
   {
     "name": "UnitTesting",
@@ -749,7 +752,8 @@
     "foldername": "digitalcommunication",
     "gradlebase": "java",
     "commandversion": 2,
-    "mainclass": "Main"
+    "mainclass": "Main",
+    "hasunittests": true
   },
   {
     "name": "I2C Communication Sample",
@@ -761,7 +765,8 @@
     "foldername": "i2ccommunication",
     "gradlebase": "java",
     "commandversion": 2,
-    "mainclass": "Main"
+    "mainclass": "Main",
+    "hasunittests": true
   },
   {
     "name": "Flywheel BangBangController",