1 files changed, 72 insertions, 0 deletions
diff --git a/test/buildtool/common/action_description.test.cpp b/test/buildtool/common/action_description.test.cpp
new file mode 100644
index 00000000..ac7367e1
--- /dev/null
+++ b/test/buildtool/common/action_description.test.cpp
@@ -0,0 +1,72 @@
+#include "catch2/catch.hpp"
+#include "src/buildtool/common/action_description.hpp"
+#include "src/buildtool/common/artifact_factory.hpp"
+
+TEST_CASE("From JSON", "[action_description]") {
+    using path = std::filesystem::path;
+    auto desc =
+        ActionDescription{{"output0", "output1"},
+                          {"dir0", "dir1"},
+                          Action{"id", {"command", "line"}, {{"env", "vars"}}},
+                          {{"path0", ArtifactDescription{path{"input0"}}},
+                           {"path1", ArtifactDescription{path{"input1"}}}}};
+    auto const& action = desc.GraphAction();
+    auto json = ArtifactFactory::DescribeAction(desc.OutputFiles(),
+                                                desc.OutputDirs(),
+                                                action.Command(),
+                                                desc.Inputs(),
+                                                action.Env());
+
+    SECTION("Parse full action") {
+        auto description = ActionDescription::FromJson("id", json);
+        REQUIRE(description);
+        CHECK(description->ToJson() == json);
+    }
+
+    SECTION("Parse action without optional input") {
+        json["input"] = nlohmann::json::object();
+        CHECK(ActionDescription::FromJson("id", json));
+
+        json["input"] = nlohmann::json::array();
+        CHECK_FALSE(ActionDescription::FromJson("id", json));
+
+        json.erase("input");
+        CHECK(ActionDescription::FromJson("id", json));
+    }
+
+    SECTION("Parse action without optional env") {
+        json["env"] = nlohmann::json::object();
+        CHECK(ActionDescription::FromJson("id", json));
+
+        json["env"] = nlohmann::json::array();
+        CHECK_FALSE(ActionDescription::FromJson("id", json));
+
+        json.erase("env");
+        CHECK(ActionDescription::FromJson("id", json));
+    }
+
+    SECTION("Parse action without mandatory outputs") {
+        json["output"] = nlohmann::json::array();
+        json["output_dirs"] = nlohmann::json::array();
+        CHECK_FALSE(ActionDescription::FromJson("id", json));
+
+        json["output"] = nlohmann::json::object();
+        json["output_dirs"] = nlohmann::json::object();
+        CHECK_FALSE(ActionDescription::FromJson("id", json));
+
+        json.erase("output");
+        json.erase("output_dirs");
+        CHECK_FALSE(ActionDescription::FromJson("id", json));
+    }
+
+    SECTION("Parse action without mandatory command") {
+        json["command"] = nlohmann::json::array();
+        CHECK_FALSE(ActionDescription::FromJson("id", json));
+
+        json["command"] = nlohmann::json::object();
+        CHECK_FALSE(ActionDescription::FromJson("id", json));
+
+        json.erase("command");
+        CHECK_FALSE(ActionDescription::FromJson("id", json));
+    }
+}