Add unittests for HSTS decoding.

net/tools/transport_security_state_generator/BUILD.gn

+# Copyright (c) 2017 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//build/compiled_action.gni")
+
+if (host_toolchain == current_toolchain) {
+  executable("transport_security_state_generator") {
+    sources = [
+      "bit_writer.cc",
+      "bit_writer.h",
+      "cert_util.cc",
+      "cert_util.h",
+      "huffman/huffman_builder.cc",
+      "huffman/huffman_builder.h",
+      "pinset.cc",
+      "pinset.h",
+      "pinsets.cc",
+      "pinsets.h",
+      "preloaded_state_generator.cc",
+      "preloaded_state_generator.h",
+      "spki_hash.cc",
+      "spki_hash.h",
+      "transport_security_state_entry.cc",
+      "transport_security_state_entry.h",
+      "transport_security_state_generator.cc",
+      "trie/trie_bit_buffer.cc",
+      "trie/trie_bit_buffer.h",
+      "trie/trie_writer.cc",
+      "trie/trie_writer.h",
+    ]
+    deps = [
+      "//base",
+      "//crypto",
+      "//third_party/boringssl",
+    ]
+  }
+}
+
+compiled_action_foreach("generate_test_data") {
+  tool = ":transport_security_state_generator"
+  sources = [
+    "../../http/transport_security_state_static_unittest1.json",
+    "../../http/transport_security_state_static_unittest2.json",
+    "../../http/transport_security_state_static_unittest3.json",

[Ryan Sleevi, 2017/03/17 22:17:37]

So, I'm not sure this is the right or recommended GN style. Could you get one of
the GN folks to review this and offer suggestions? I don't know enough if
there's a GN styleguide.

I suspect brettw or dpranke

[martijnc, 2017/03/18 21:36:04]

Updated this to not use relative paths. Also added brettw for a GN review.

+  ]
+
+  # Inputs in order expected by the command line of the tool.
+  inputs = [
+    "../../http/transport_security_state_static_unittest.pins",
+    "resources/transport_security_state_static_unittest.template",
+  ]
+  outputs = [
+    "$target_gen_dir/../../http/{{source_name_part}}.h",
+  ]
+  args =
+      [ rebase_path("../../http/{{source_name_part}}.json", root_build_dir) ] +
+      rebase_path(inputs, root_build_dir) + rebase_path(outputs, root_build_dir)
+}