JavaFileObjectKindAssert tests

Author: ascopes

java-compiler-testing/src/test/java/io/github/ascopes/jct/tests/unit/assertions/JavaFileObjectKindAssertTest.java

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+/*
+ * Copyright (C) 2022 - 2023, the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.github.ascopes.jct.tests.unit.assertions;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import io.github.ascopes.jct.assertions.JavaFileObjectKindAssert;
+import javax.tools.JavaFileObject.Kind;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.EnumSource;
+import org.junit.jupiter.params.provider.EnumSource.Mode;
+import org.junit.jupiter.params.provider.NullSource;
+
+/**
+ * {@link JavaFileObjectKindAssert} tests.
+ *
+ * @author Ashley Scopes
+ */
+@DisplayName("JavaFileObjectKindAssert tests")
+class JavaFileObjectKindAssertTest {
+
+  @DisplayName("JavaFileObjectKindAssert#isSource tests")
+  @Nested
+  class IsSourceTest {
+
+    @DisplayName(".isSource() fails if the kind is not a source")
+    @NullSource
+    @EnumSource(value = Kind.class, mode = Mode.EXCLUDE, names = "SOURCE")
+    @ParameterizedTest(name = "for {0}")
+    void isSourceFailsIfKindIsNotSource(Kind kind) {
+      // Given
+      var assertions = new JavaFileObjectKindAssert(kind);
+
+      // Then
+      assertThatThrownBy(assertions::isSource)
+          .isInstanceOf(AssertionError.class);
+    }
+
+    @DisplayName(".isSource() succeeds if the kind is a source")
+    @Test
+    void isSourceSucceedsIfTheKindIsSource() {
+      // Given
+      var assertions = new JavaFileObjectKindAssert(Kind.SOURCE);
+
+      // Then
+      assertThat(assertions.isSource())
+          .isSameAs(assertions);
+    }
+  }
+
+  @DisplayName("JavaFileObjectKindAssert#isClass tests")
+  @Nested
+  class IsClassTest {
+
+    @DisplayName(".isClass() fails if the kind is not a class")
+    @NullSource
+    @EnumSource(value = Kind.class, mode = Mode.EXCLUDE, names = "CLASS")
+    @ParameterizedTest(name = "for {0}")
+    void isClassFailsIfKindIsNotClass(Kind kind) {
+      // Given
+      var assertions = new JavaFileObjectKindAssert(kind);
+
+      // Then
+      assertThatThrownBy(assertions::isClass)
+          .isInstanceOf(AssertionError.class);
+    }
+
+    @DisplayName(".isClass() succeeds if the kind is a class")
+    @Test
+    void isClassSucceedsIfTheKindIsClass() {
+      // Given
+      var assertions = new JavaFileObjectKindAssert(Kind.CLASS);
+
+      // Then
+      assertThat(assertions.isClass())
+          .isSameAs(assertions);
+    }
+  }
+
+  @DisplayName("JavaFileObjectKindAssert#isHtml tests")
+  @Nested
+  class IsHtmlTest {
+
+    @DisplayName(".isHtml() fails if the kind is not HTML")
+    @NullSource
+    @EnumSource(value = Kind.class, mode = Mode.EXCLUDE, names = "HTML")
+    @ParameterizedTest(name = "for {0}")
+    void isHtmlFailsIfKindIsNotHtml(Kind kind) {
+      // Given
+      var assertions = new JavaFileObjectKindAssert(kind);
+
+      // Then
+      assertThatThrownBy(assertions::isHtml)
+          .isInstanceOf(AssertionError.class);
+    }
+
+    @DisplayName(".isHtml() succeeds if the kind is HTML")
+    @Test
+    void isHtmlSucceedsIfTheKindIsHtml() {
+      // Given
+      var assertions = new JavaFileObjectKindAssert(Kind.HTML);
+
+      // Then
+      assertThat(assertions.isHtml())
+          .isSameAs(assertions);
+    }
+  }
+
+  @DisplayName("JavaFileObjectKindAssert#isOther tests")
+  @Nested
+  class IsOtherTest {
+
+    @DisplayName(".isOther() fails if the kind is not OTHER")
+    @NullSource
+    @EnumSource(value = Kind.class, mode = Mode.EXCLUDE, names = "OTHER")
+    @ParameterizedTest(name = "for {0}")
+    void isOtherFailsIfKindIsNotOther(Kind kind) {
+      // Given
+      var assertions = new JavaFileObjectKindAssert(kind);
+
+      // Then
+      assertThatThrownBy(assertions::isOther)
+          .isInstanceOf(AssertionError.class);
+    }
+
+    @DisplayName(".isOther() succeeds if the kind is OTHER")
+    @Test
+    void isOtherSucceedsIfTheKindIsOther() {
+      // Given
+      var assertions = new JavaFileObjectKindAssert(Kind.OTHER);
+
+      // Then
+      assertThat(assertions.isOther())
+          .isSameAs(assertions);
+    }
+  }
+}