Fix FindToolsRequiredFromPlatformRelease not returning discoveries

Author: silvanocerza

arduino/cores/packagemanager/package_manager.go

@@ -466,6 +466,18 @@ func (pm *PackageManager) FindToolsRequiredFromPlatformRelease(platform *cores.P
 		requiredTools = append(requiredTools, tool)
 		delete(foundTools, tool.Tool.Name)
 	}
+
+	platform.DiscoveryDependencies.Sort()
+	for _, discoveryDep := range platform.DiscoveryDependencies {
+		pm.Log.WithField("discovery", discoveryDep).Infof("Required discovery")
+		tool := pm.FindDiscoveryDependency(discoveryDep)
+		if tool == nil {
+			return nil, fmt.Errorf("discovery release not found: %s", discoveryDep)
+		}
+		requiredTools = append(requiredTools, tool)
+		delete(foundTools, tool.Tool.Name)
+	}
+
 	for _, toolRel := range foundTools {
 		requiredTools = append(requiredTools, toolRel)
 	}

arduino/cores/packagemanager/package_manager_test.go

@@ -339,3 +339,66 @@ func TestPackageManagerClear(t *testing.T) {
 	// Verifies both PackageManagers are now equal
 	require.Equal(t, &packageManager, &emptyPackageManager)
 }
+
+func TestFindToolsRequiredFromPlatformRelease(t *testing.T) {
+	// Create all the necessary data to load discoveries
+	fakePath := paths.New("fake-path")
+
+	pm := packagemanager.NewPackageManager(fakePath, fakePath, fakePath, fakePath)
+	pack := pm.Packages.GetOrCreatePackage("arduino")
+	// some tool
+	tool := pack.GetOrCreateTool("some-tool")
+	toolRelease := tool.GetOrCreateRelease(semver.ParseRelaxed("4.2.0"))
+	// We set this to fake the tool is installed
+	toolRelease.InstallDir = fakePath
+	// some tool
+	tool = pack.GetOrCreateTool("some-tool")
+	toolRelease = tool.GetOrCreateRelease(semver.ParseRelaxed("5.6.7"))
+	// We set this to fake the tool is installed
+	toolRelease.InstallDir = fakePath
+	// some other tool
+	tool = pack.GetOrCreateTool("some-other-tool")
+	toolRelease = tool.GetOrCreateRelease(semver.ParseRelaxed("6.6.6"))
+	// We set this to fake the tool is installed
+	toolRelease.InstallDir = fakePath
+	// ble-discovery tool
+	tool = pack.GetOrCreateTool("ble-discovery")
+	toolRelease = tool.GetOrCreateRelease(semver.ParseRelaxed("1.0.0"))
+	// We set this to fake the tool is installed
+	toolRelease.InstallDir = fakePath
+	tool.GetOrCreateRelease(semver.ParseRelaxed("0.1.0"))
+
+	// serial-discovery tool
+	tool = pack.GetOrCreateTool("serial-discovery")
+	tool.GetOrCreateRelease(semver.ParseRelaxed("1.0.0"))
+	toolRelease = tool.GetOrCreateRelease(semver.ParseRelaxed("0.1.0"))
+	// We set this to fake the tool is installed
+	toolRelease.InstallDir = fakePath
+
+	platform := pack.GetOrCreatePlatform("avr")
+	release := platform.GetOrCreateRelease(semver.MustParse("1.0.0"))
+	release.ToolDependencies = append(release.ToolDependencies, &cores.ToolDependency{
+		ToolName:     "some-tool",
+		ToolVersion:  semver.ParseRelaxed("4.2.0"),
+		ToolPackager: "arduino",
+	})
+	release.ToolDependencies = append(release.ToolDependencies, &cores.ToolDependency{
+		ToolName:     "some-other-tool",
+		ToolVersion:  semver.ParseRelaxed("6.6.6"),
+		ToolPackager: "arduino",
+	})
+	release.DiscoveryDependencies = append(release.DiscoveryDependencies, &cores.DiscoveryDependency{
+		Name:     "ble-discovery",
+		Packager: "arduino",
+	})
+	release.DiscoveryDependencies = append(release.DiscoveryDependencies, &cores.DiscoveryDependency{
+		Name:     "serial-discovery",
+		Packager: "arduino",
+	})
+	// We set this to fake the platform is installed
+	release.InstallDir = fakePath
+
+	tools, err := pm.FindToolsRequiredFromPlatformRelease(release)
+	require.NoError(t, err)
+	require.Len(t, tools, 4)
+}