Added unit test for recipe finder

Author: cmaglie

internal/arduino/builder/recipe_test.go

@@ -0,0 +1,81 @@
+// This file is part of arduino-cli.
+//
+// Copyright 2020 ARDUINO SA (http://www.arduino.cc/)
+//
+// This software is released under the GNU General Public License version 3,
+// which covers the main part of arduino-cli.
+// The terms of this license can be found at:
+// https://www.gnu.org/licenses/gpl-3.0.en.html
+//
+// You can be released from the requirements of the above licenses by purchasing
+// a commercial license. Buying such a license is mandatory if you want to
+// modify or otherwise use the software for commercial activities involving the
+// Arduino software without disclosing the source code of your own applications.
+// To purchase a commercial license, send an email to license@arduino.cc.
+
+package builder
+
+import (
+	"testing"
+
+	properties "github.com/arduino/go-properties-orderedmap"
+	"github.com/stretchr/testify/require"
+)
+
+func TestRecipeFinder(t *testing.T) {
+	t.Run("NumberedRecipes", func(t *testing.T) {
+		buildProperties := properties.NewMap()
+		buildProperties.Set("recipe.test", "test")
+		buildProperties.Set("recipe.1.test", "test2")
+		buildProperties.Set("recipe.2.test", "test3")
+		recipes := findRecipes(buildProperties, "recipe", ".test")
+		require.Equal(t, []string{"recipe.1.test", "recipe.2.test"}, recipes)
+	})
+	t.Run("NumberedRecipesWithGaps", func(t *testing.T) {
+		buildProperties := properties.NewMap()
+		buildProperties.Set("recipe.test", "test")
+		buildProperties.Set("recipe.2.test", "test3")
+		buildProperties.Set("recipe.0.test", "test2")
+		recipes := findRecipes(buildProperties, "recipe", ".test")
+		require.Equal(t, []string{"recipe.0.test", "recipe.2.test"}, recipes)
+	})
+	t.Run("NumberedRecipesWithGapsAndDifferentLenghtNumbers", func(t *testing.T) {
+		buildProperties := properties.NewMap()
+		buildProperties.Set("recipe.test", "test")
+		buildProperties.Set("recipe.12.test", "test3")
+		buildProperties.Set("recipe.2.test", "test2")
+		recipes := findRecipes(buildProperties, "recipe", ".test")
+		// The order is sorted alphabetically, not numerically
+		require.Equal(t, []string{"recipe.12.test", "recipe.2.test"}, recipes)
+	})
+	t.Run("NumberedRecipesWithGapsAndNumbers", func(t *testing.T) {
+		buildProperties := properties.NewMap()
+		buildProperties.Set("recipe.test", "test")
+		buildProperties.Set("recipe.12.test", "test3")
+		buildProperties.Set("recipe.02.test", "test2")
+		buildProperties.Set("recipe.09.test", "test2")
+		recipes := findRecipes(buildProperties, "recipe", ".test")
+		require.Equal(t, []string{"recipe.02.test", "recipe.09.test", "recipe.12.test"}, recipes)
+	})
+	t.Run("UnnumberedRecipies", func(t *testing.T) {
+		buildProperties := properties.NewMap()
+		buildProperties.Set("recipe.test", "test")
+		buildProperties.Set("recipe.a.test", "test3")
+		buildProperties.Set("recipe.b.test", "test2")
+		recipes := findRecipes(buildProperties, "recipe", ".test")
+		require.Equal(t, []string{"recipe.a.test", "recipe.b.test"}, recipes)
+	})
+	t.Run("ObjcopyRecipies/1", func(t *testing.T) {
+		buildProperties := properties.NewMap()
+		buildProperties.Set("recipe.objcopy.eep.pattern", "test")
+		buildProperties.Set("recipe.objcopy.hex.pattern", "test")
+		recipes := findRecipes(buildProperties, "recipe.objcopy", ".pattern")
+		require.Equal(t, []string{"recipe.objcopy.eep.pattern", "recipe.objcopy.hex.pattern"}, recipes)
+	})
+	t.Run("ObjcopyRecipies/2", func(t *testing.T) {
+		buildProperties := properties.NewMap()
+		buildProperties.Set("recipe.objcopy.partitions.bin.pattern", "test")
+		recipes := findRecipes(buildProperties, "recipe.objcopy", ".pattern")
+		require.Equal(t, []string{"recipe.objcopy.partitions.bin.pattern"}, recipes)
+	})
+}