Add non-reg test for compile_data propagation in rust_doc

test/unit/compile_data/compile_data_test.bzl

@@ -2,6 +2,10 @@
 
 load("@bazel_skylib//lib:unittest.bzl", "analysistest", "asserts")
 load("//rust:defs.bzl", "rust_common", "rust_library", "rust_test", "rust_doc")
+load(
+    "//test/unit:common.bzl",
+    "assert_action_mnemonic",
+)
 
 def _target_has_compile_data(ctx, expected):
     env = analysistest.begin(ctx)
@@ -42,10 +46,14 @@ def _wrapper_rule_propagates_and_joins_compile_data_test_impl(ctx):
     )
 
 def _compile_data_propagates_to_rust_doc_test_impl(ctx):
-    return _target_has_compile_data(
-        ctx,
-        ["test/unit/compile_data/compile_data.txt"],
-    )
+    env = analysistest.begin(ctx)
+    target = analysistest.target_under_test(env)
+
+    actions = target.actions
+    action = actions[0]
+    assert_action_mnemonic(env, action, "Rustdoc")
+
+    return analysistest.end(env)
 
 compile_data_propagates_to_crate_info_test = analysistest.make(_compile_data_propagates_to_crate_info_test_impl)
 wrapper_rule_propagates_to_crate_info_test = analysistest.make(_wrapper_rule_propagates_to_crate_info_test_impl)
@@ -72,9 +80,19 @@ def _define_test_targets():
         rustc_flags = ["--cfg=test_compile_data"],
     )
 
+    rust_library(
+        name = "compile_data_env",
+        srcs = ["compile_data_env.rs"],
+        compile_data = ["compile_data.txt"],
+        rustc_env = {
+            "COMPILE_DATA_PATH": "$(location :compile_data.txt)",
+        },
+        edition = "2018",
+    )
+
     rust_doc(
-        name = "compile_data_rust_doc",
-        crate = ":compile_data",
+        name = "compile_data_env_rust_doc",
+        crate = ":compile_data_env",
     )
 
 def compile_data_test_suite(name):
@@ -103,7 +121,7 @@ def compile_data_test_suite(name):
 
     compile_data_propagates_to_rust_doc_test(
         name = "compile_data_propagates_to_rust_doc_test",
-        target_under_test = ":compile_data",
+        target_under_test = ":compile_data_env_rust_doc",
     )