project configuration dsl: state reader

GitOrigin-RevId: d477fde05a6722e60c277ee53eced3cea6b41772

plugins/configuration-script/test/ComponentStateTest.kt

@@ -0,0 +1,40 @@
+package com.intellij.configurationScript
+
+import com.intellij.configurationScript.providers.readComponentConfiguration
+import com.intellij.openapi.components.BaseState
+import com.intellij.testFramework.ProjectRule
+import com.intellij.testFramework.assertions.Assertions.assertThat
+import org.intellij.lang.annotations.Language
+import org.junit.ClassRule
+import org.junit.Test
+
+class ComponentStateTest {
+  companion object {
+    @JvmField
+    @ClassRule
+    val projectRule = ProjectRule()
+  }
+
+  @Test
+  fun read() {
+    val result = doReadComponentConfiguration("versionControl.git", """
+    versionControl:
+      git:
+        updateMethod: rebase
+    """)
+    assertThat(result!!.updateMethod).isEqualTo(UpdateMethod.REBASE)
+  }
+}
+
+@Suppress("SameParameterValue")
+private fun doReadComponentConfiguration(namePath: String, @Language("YAML") data: String): TestState? {
+  return readComponentConfiguration(findValueNodeByPath(namePath, doRead(data.trimIndent().reader())!!)!!, TestState::class.java)
+}
+
+private class TestState : BaseState() {
+  var updateMethod by enum(UpdateMethod.BRANCH_DEFAULT)
+}
+
+private enum class UpdateMethod {
+  BRANCH_DEFAULT, MERGE, REBASE
+}