changeset 191:79c64ff2610b

Test setup for testing PluginCache caches framing sizes across init calls.

--- a/test/vamp-client/tst_PluginStub.cpp	Tue Feb 07 11:07:17 2017 +0000
+++ b/test/vamp-client/tst_PluginStub.cpp	Tue Feb 07 16:35:16 2017 +0000
@@ -1,5 +1,123 @@
 #include "catch/catch.hpp"
+#include "vamp-client/Loader.h"
+#include "vamp-client/PluginClient.h"
+#include "vamp-client/PluginStub.h"
+#include "vamp-support/RequestResponse.h"
+#include <vector>
 
-TEST_CASE("Configure plugin with parameter dependent preferred framing sizes") {
+using namespace piper_vamp;
+using namespace piper_vamp::client;
+using AudioBuffer = std::vector<std::vector<float>>;
 
+// This stub mimicks the interaction with a Piper server
+// Here we only need to implement the configure method 
+// due to testing only the initialise implemention of PluginStub
+class StubClient : public PluginClient
+{
+public:
+    StubClient(PluginStaticData staticData) : m_staticData(staticData) {}
+    
+    ConfigurationResponse
+    configure(PluginStub* plugin,
+              PluginConfiguration config) override
+    {
+        const float scale = plugin->getParameter("framing-scale");
+        ConfigurationResponse cr;
+        cr.plugin = plugin;
+        
+        // we want to return different framing sizes
+        // than config provides
+        // there isn't really any need to be doing this with a plugin param
+        cr.framing.blockSize = config.framing.stepSize * scale;
+        cr.framing.stepSize = config.framing.blockSize * scale;
+        
+        
+        // just return some outputs anyway 
+        // to avoid a failure case we are not testing here.
+        Vamp::Plugin::OutputDescriptor output;
+        const auto basic = m_staticData.basicOutputInfo[0];
+        output.identifier = basic.identifier;
+        output.name = basic.name;
+        output.description = basic.description;
+        cr.outputs = {output};
+        return cr;                   
+    }
+    
+    Vamp::Plugin::FeatureSet
+    process(PluginStub* /*plugin*/,
+            AudioBuffer /*channels*/,
+            Vamp::RealTime /*timestamp*/) override
+    {
+        return {};
+    }
+    
+    Vamp::Plugin::FeatureSet
+    finish(PluginStub* /*plugin*/) override
+    {
+        return {};
+    }
+    
+    void
+    reset(PluginStub* /*plugin*/, PluginConfiguration /*config*/) override
+    {}
+private:
+    PluginStaticData m_staticData;
+};
+
+
+TEST_CASE("Init plugin with parameter dependent preferred framing sizes") {
+    
+    PluginConfiguration defaultConfig;
+    defaultConfig.channelCount = 1;
+    defaultConfig.parameterValues = {};
+    defaultConfig.framing.blockSize = 1024;
+    defaultConfig.framing.stepSize = 512;
+    defaultConfig.parameterValues = {{"framing-scale", 1.0}};
+    
+    Vamp::PluginBase::ParameterDescriptor stubParam;
+    stubParam.identifier = "framing-scale";
+    stubParam.name = "Framing Scale Factor";
+    stubParam.description = "Scales the preferred framing sizes";
+    stubParam.maxValue = 2.0; 
+    
+    PluginStaticData staticData;
+    staticData.pluginKey = "stub";
+    staticData.basic = {"stub:param-init", "Stub", "Testing init"};
+    staticData.maker = "Lucas Thompson";
+    staticData.copyright = "GPL";
+    staticData.pluginVersion = 1;
+    staticData.category = {"Test"};
+    staticData.minChannelCount = 1;
+    staticData.maxChannelCount = 1;
+    staticData.parameters = {stubParam};
+    staticData.inputDomain = Vamp::Plugin::InputDomain::TimeDomain;
+    staticData.basicOutputInfo = {{"output", "NA", "Not real"}};
+
+    StubClient stub {staticData};
+    
+    PluginStub vampPiperAdapter {
+        &stub, 
+        "stub", // plugin key
+        44100.0, // sample rate
+        0, // adapter flags, don't care here
+        staticData, 
+        defaultConfig 
+    };
+    
+    vampPiperAdapter.setParameter("framing-scale", 2.0);
+    // setup
+    REQUIRE( 
+        vampPiperAdapter.initialise(
+            1, 
+            vampPiperAdapter.getPreferredStepSize(), 
+            vampPiperAdapter.getPreferredBlockSize()
+        ) == false 
+    );
+    REQUIRE( 
+        vampPiperAdapter.initialise(
+            1, 
+            vampPiperAdapter.getPreferredStepSize(), 
+            vampPiperAdapter.getPreferredBlockSize()
+        )
+    );   
 }