[recipe_modules/file] add real file module to engine.

recipe_modules/file/examples/copytree.expected/basic.json

Index: recipe_modules/file/examples/copytree.expected/basic.json
diff --git a/recipe_modules/file/examples/copytree.expected/basic.json b/recipe_modules/file/examples/copytree.expected/basic.json
new file mode 100644
index 0000000000000000000000000000000000000000..49fa9cf9f65dc542943fb9baeab2ce2566784233
--- /dev/null
+++ b/recipe_modules/file/examples/copytree.expected/basic.json
@@ -0,0 +1,267 @@
+[
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "ensure-directory",
+      "--mode",
+      "0777",
+      "[START_DIR]/some dir"
+    ],
+    "infra_step": true,
+    "name": "ensure \"some dir\"",
+    "timeout": 5
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "copy",
+      "a",
+      "[START_DIR]/some dir/a"
+    ],
+    "infra_step": true,
+    "name": "write a",
+    "timeout": 30
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "copy",
+      "aa",
+      "[START_DIR]/some dir/aa"
+    ],
+    "infra_step": true,
+    "name": "write aa",
+    "timeout": 30
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "copy",
+      "b",
+      "[START_DIR]/some dir/b"
+    ],
+    "infra_step": true,
+    "name": "write b",
+    "timeout": 30
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "copy",
+      "bb",
+      "[START_DIR]/some dir/bb"
+    ],
+    "infra_step": true,
+    "name": "write bb",
+    "timeout": 30
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "copy",
+      "c",
+      "[START_DIR]/some dir/c"
+    ],
+    "infra_step": true,
+    "name": "write c",
+    "timeout": 30
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "copy",
+      "cc",
+      "[START_DIR]/some dir/cc"
+    ],
+    "infra_step": true,
+    "name": "write cc",
+    "timeout": 30
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "rmtree",
+      "[START_DIR]/some other dir"
+    ],
+    "infra_step": true,
+    "name": "make sure dest is gone"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "copytree",
+      "[START_DIR]/some dir",
+      "[START_DIR]/some other dir"
+    ],
+    "infra_step": true,
+    "name": "copy it"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "listdir",
+      "[START_DIR]/some other dir"
+    ],
+    "infra_step": true,
+    "name": "list new dir",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "glob",
+      "[START_DIR]/some other dir/*a"
+    ],
+    "infra_step": true,
+    "name": "glob *a",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "copy",
+      "[START_DIR]/some other dir/a",
+      "/path/to/tmp/"
+    ],
+    "infra_step": true,
+    "name": "read [START_DIR]/some other dir/a",
+    "timeout": 30
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "copy",
+      "[START_DIR]/some other dir/aa",
+      "/path/to/tmp/"
+    ],
+    "infra_step": true,
+    "name": "read [START_DIR]/some other dir/aa",
+    "timeout": 30
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "remove",
+      "[START_DIR]/some other dir/a"
+    ],
+    "infra_step": true,
+    "name": "rm a",
+    "timeout": 5
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "glob",
+      "[START_DIR]/some other dir/*a"
+    ],
+    "infra_step": true,
+    "name": "glob *a (2)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "rmglob",
+      "[START_DIR]/some other dir",
+      "b*"
+    ],
+    "infra_step": true,
+    "name": "rm b*"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "listdir",
+      "[START_DIR]/some other dir"
+    ],
+    "infra_step": true,
+    "name": "list new dir (2)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "rmcontents",
+      "[START_DIR]/some other dir"
+    ],
+    "infra_step": true,
+    "name": "remove \"some other dir/*\""
+  },
+  {
+    "name": "$result",
+    "recipe_result": null,
+    "status_code": 0
+  }
+]