From c88a5698359b9e89f82753d7fbed7d60bd0a6a1a Mon Sep 17 00:00:00 2001
From: Ashok Sidipotu <ashok.sidipotu@collabora.com>
Date: Fri, 20 Jan 2023 11:23:24 +0530
Subject: [PATCH] default node tests: add initial test

tests the initial metadata setup.
---
 tests/scripts/meson.build                     |  8 ++
 ...-default-nodes-initial-metadata-update.lua | 89 +++++++++++++++++++
 2 files changed, 97 insertions(+)
 create mode 100644 tests/scripts/scripts/00-test-default-nodes-initial-metadata-update.lua

diff --git a/tests/scripts/meson.build b/tests/scripts/meson.build
index 67347b00..65ee73f6 100644
--- a/tests/scripts/meson.build
+++ b/tests/scripts/meson.build
@@ -136,3 +136,11 @@ test(
   args: ['script-tests', '17-test-linking-defined-device-node-target-object-int-metadata-capture.lua'],
   env: common_env,
 )
+
+
+test(
+  '00-test-default-nodes-initial-metadata-update',
+  script_tester,
+  args: ['script-tests', '00-test-default-nodes-initial-metadata-update.lua'],
+  env: common_env,
+)
diff --git a/tests/scripts/scripts/00-test-default-nodes-initial-metadata-update.lua b/tests/scripts/scripts/00-test-default-nodes-initial-metadata-update.lua
new file mode 100644
index 00000000..8d6d3c7d
--- /dev/null
+++ b/tests/scripts/scripts/00-test-default-nodes-initial-metadata-update.lua
@@ -0,0 +1,89 @@
+-- check if default keys are restored correctly by the default-nodes hooks on
+-- bootup.
+
+-- First we create a bunch of devices and update the default.configured.* keys
+-- in other words select the default device.
+-- then reload the metadata plugin which recreates the default metadata.
+-- default-node/* scripts are supposed to restore the previously selected
+-- default device.
+
+local tu = require ("test-utils")
+
+Script.async_activation = true
+
+tu.createDeviceNode ("audio-sink-device-node", "Audio/Sink")
+tu.createDeviceNode ("audio-source-device-node", "Audio/Source")
+tu.createDeviceNode ("video-source-device-node", "Video/Source")
+
+-- create second pair of devices just to make the test case better
+tu.createDeviceNode ("audio-sink-device-node-1", "Audio/Sink")
+tu.createDeviceNode ("audio-source-device-node-1", "Audio/Source")
+tu.createDeviceNode ("video-source-device-node-1", "Video/Source")
+
+local device_match_count = 0
+
+local expected_values_table = {
+  ["default.configured.audio.sink"] = "audio-sink-device-node",
+  ["default.configured.audio.source"] = "audio-source-device-node",
+  ["default.configured.video.source"] = "video-source-device-node",
+  ["audio-sink-device-node"] = "default.configured.audio.sink",
+  ["audio-source-device-node"] = "default.configured.audio.source",
+  ["video-source-device-node"] = "default.configured.video.source",
+}
+
+SimpleEventHook {
+  name = "node/test-default-nodes",
+  interests = {
+    EventInterest {
+      Constraint { "event.type", "=", "node-added" },
+      Constraint { "node.name", "c", "audio-sink-device-node",
+          "audio-source-device-node", "video-source-device-node" },
+    },
+  },
+  execute = function (event)
+    local node = event:get_subject ()
+    local name = node.properties ["node.name"]
+    local key = expected_values_table [name]
+
+    device_match_count = device_match_count + 1
+
+    tu.metadata:set (0, key, "Spa:String:JSON",
+        Json.Object { ["name"] = name }:to_string ())
+
+    if device_match_count == 3 then
+      tu.restartPlugin ("metadata")
+      device_match_count = 0
+    end
+  end
+}:register ()
+
+metadata_added_hook = SimpleEventHook {
+  name = "test-default-nodes/metadata-added",
+  after = "default-nodes/metadata-added",
+  interests = {
+    EventInterest {
+      Constraint { "event.type", "=", "metadata-added" },
+      Constraint { "metadata.name", "=", "default" },
+    },
+  },
+  execute = function (event)
+    local source = event:get_source ()
+    local om = source:call ("get-object-manager", "metadata")
+    local metadata = om:lookup { Constraint { "metadata.name", "=", "default" } }
+
+    for k, v in pairs (expected_values_table) do
+      local obj = metadata:find (0, k)
+      if obj then
+        local json = Json.Raw (obj)
+        if json:parse ().name == v then
+          device_match_count = device_match_count + 1
+        end
+      end
+    end
+
+    if device_match_count == 3 then
+      Script:finish_activation ()
+    end
+
+  end
+}:register ()