Added unit tests at config class

public/biopet-framework/src/test/scala/nl/lumc/sasc/biopet/core/config/ConfigTest.scala

+package nl.lumc.sasc.biopet.core.config
+
+import nl.lumc.sasc.biopet.utils.{ ConfigUtilsTest, ConfigUtils }
+import org.scalatest.Matchers
+import org.scalatest.mock.MockitoSugar
+import org.scalatest.testng.TestNGSuite
+import org.testng.annotations.Test
+
+/**
+ * Created by pjvan_thof on 1/8/15.
+ */
+class ConfigTest extends TestNGSuite with MockitoSugar with Matchers with ConfigUtils.ImplicitConversions {
+  @Test def testLoadConfigFile: Unit = {
+    val config = new Config
+    config.loadConfigFile(ConfigTest.file)
+    config.map shouldBe ConfigTest.map
+    config.loadConfigFile(ConfigTest.file)
+    config.map shouldBe ConfigTest.map
+  }
+
+  @Test def testContains: Unit = {
+    ConfigTest.config.contains("m1") shouldBe true
+    ConfigTest.config.contains("notexist") shouldBe false
+    ConfigTest.config.contains(new ConfigValueIndex("m1", Nil, "k1")) shouldBe true
+    ConfigTest.config.contains(new ConfigValueIndex("notexist", Nil, "k1")) shouldBe true
+    ConfigTest.config.contains(new ConfigValueIndex("notexist", Nil, "k1", false)) shouldBe false
+  }
+
+  @Test def testApply: Unit = {
+    ConfigTest.config("m1", Nil, "k1").asString shouldBe "v2"
+    ConfigTest.config("m1", Nil, "notexist", default = "default").asString shouldBe "default"
+    intercept[IllegalStateException] {
+      ConfigTest.config("m1", Nil, "notexist")
+    }
+  }
+
+  @Test def testMergeConfigs: Unit = {
+    val map1 = Map("1" -> 1)
+    val map2 = Map("2" -> 2)
+    Config.mergeConfigs(new Config(map1), new Config(map2)).map shouldBe ConfigUtils.mergeMaps(map1, map2)
+  }
+
+  @Test def testToString: Unit = {
+    val map1 = Map("1" -> 1)
+    new Config(map1).toString() shouldBe map1.toString()
+  }
+
+  @Test def testGetValueFromMap: Unit = {
+    val map = ConfigTest.map
+    Config.getValueFromMap(map, new ConfigValueIndex("m1", Nil, "k1")).get.asString shouldBe "v2"
+    Config.getValueFromMap(map, new ConfigValueIndex("m1", List("bla"), "k1")).get.asString shouldBe "v2"
+    Config.getValueFromMap(map, new ConfigValueIndex("m1", List("bla", "bla2"), "k1")).get.asString shouldBe "v2"
+    Config.getValueFromMap(map, new ConfigValueIndex("m2", List("m1"), "k1")).get.asString shouldBe "v4"
+    Config.getValueFromMap(map, new ConfigValueIndex("m2", Nil, "k1")).get.asString shouldBe "v3"
+    Config.getValueFromMap(map, new ConfigValueIndex("notexist", Nil, "k1")).get.asString shouldBe "v1"
+
+    Config.getValueFromMap(map, new ConfigValueIndex("notexist", Nil, "notexist")) shouldBe None
+    Config.getValueFromMap(map, new ConfigValueIndex("m1", Nil, "notexist")) shouldBe None
+    Config.getValueFromMap(map, new ConfigValueIndex("m2", Nil, "notexist")) shouldBe None
+    Config.getValueFromMap(map, new ConfigValueIndex("m1", List("m2"), "notexist")) shouldBe None
+
+    // With free var
+    Config.getValueFromMap(map, new ConfigValueIndex("m3", Nil, "k2")).get.asString shouldBe "v5"
+    Config.getValueFromMap(map, new ConfigValueIndex("m4", Nil, "k2")) shouldBe None
+    Config.getValueFromMap(map, new ConfigValueIndex("m5", Nil, "k2")) shouldBe None
+    Config.getValueFromMap(map, new ConfigValueIndex("m6", Nil, "k2")) shouldBe None
+
+    Config.getValueFromMap(map, new ConfigValueIndex("m4", List("m3"), "k2")).get.asString shouldBe "v6"
+    Config.getValueFromMap(map, new ConfigValueIndex("m5", List("m3"), "k2")).get.asString shouldBe "v5"
+    Config.getValueFromMap(map, new ConfigValueIndex("m6", List("m3"), "k2")).get.asString shouldBe "v5"
+
+    Config.getValueFromMap(map, new ConfigValueIndex("m5", List("m3", "m4"), "k2")).get.asString shouldBe "v7"
+    Config.getValueFromMap(map, new ConfigValueIndex("m6", List("m3", "m4"), "k2")).get.asString shouldBe "v6"
+
+    Config.getValueFromMap(map, new ConfigValueIndex("m6", List("m3", "m4", "m5"), "k2")).get.asString shouldBe "v8"
+
+    // Without free var
+    Config.getValueFromMap(map, new ConfigValueIndex("m3", Nil, "k2", false)).get.asString shouldBe "v5"
+    Config.getValueFromMap(map, new ConfigValueIndex("m4", Nil, "k2", false)) shouldBe None
+    Config.getValueFromMap(map, new ConfigValueIndex("m5", Nil, "k2", false)) shouldBe None
+    Config.getValueFromMap(map, new ConfigValueIndex("m6", Nil, "k2", false)) shouldBe None
+
+    Config.getValueFromMap(map, new ConfigValueIndex("m4", List("m3"), "k2", false)).get.asString shouldBe "v6"
+    Config.getValueFromMap(map, new ConfigValueIndex("m5", List("m3"), "k2", false)) shouldBe None
+    Config.getValueFromMap(map, new ConfigValueIndex("m6", List("m3"), "k2", false)) shouldBe None
+
+    Config.getValueFromMap(map, new ConfigValueIndex("m5", List("m3", "m4"), "k2", false)).get.asString shouldBe "v7"
+    Config.getValueFromMap(map, new ConfigValueIndex("m6", List("m3", "m4"), "k2", false)) shouldBe None
+
+    Config.getValueFromMap(map, new ConfigValueIndex("m6", List("m3", "m4", "m5"), "k2", false)).get.asString shouldBe "v8"
+  }
+}
+
+object ConfigTest {
+  val map = Map(
+    "k1" -> "v1",
+    "m1" -> Map(
+      "k1" -> "v2",
+      "m2" -> Map(
+        "k1" -> "v4"
+      )
+    ),
+    "m2" -> Map(
+      "k1" -> "v3"
+    ),
+    "m3" -> Map(
+      "k2" -> "v5",
+      "m4" -> Map(
+        "k2" -> "v6",
+        "m5" -> Map(
+          "k2" -> "v7",
+          "m6" -> Map(
+            "k2" -> "v8"
+          )
+        )
+      )
+    )
+  )
+
+  val file = ConfigUtilsTest.writeTemp(ConfigUtils.mapToJson(map).spaces2)
+
+  val config = new Config
+  config.loadConfigFile(file)
+}
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