diff --git a/spring-vault-core/src/test/java/org/springframework/vault/annotation/VaultPropertySourceUnitTests.java b/spring-vault-core/src/test/java/org/springframework/vault/annotation/VaultPropertySourceUnitTests.java
new file mode 100644
index 00000000..7f3059ad
--- /dev/null
+++ b/spring-vault-core/src/test/java/org/springframework/vault/annotation/VaultPropertySourceUnitTests.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2018 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 org.springframework.vault.annotation;
+
+import org.junit.Test;
+import org.mockito.Mockito;
+
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+import org.springframework.vault.core.VaultTemplate;
+
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+
+/**
+ * Unit test for {@link VaultPropertySource}.
+ *
+ * @author Mark Paluch
+ */
+public class VaultPropertySourceUnitTests {
+
+	@Configuration
+	static class Config {
+
+		@Bean
+		VaultTemplate vaultTemplate() {
+			return Mockito.mock(VaultTemplate.class);
+		}
+	}
+
+	@Configuration
+	@Profile("demo")
+	@VaultPropertySource("foo")
+	static class DemoProfile {
+	}
+
+	@Configuration
+	@Profile("dev")
+	@VaultPropertySource("bar")
+	static class DevProfile {
+	}
+
+	@Test
+	public void shouldNotEnablePropertySource() {
+
+		AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
+
+		ctx.register(Config.class);
+		ctx.register(DemoProfile.class);
+		ctx.register(DevProfile.class);
+		ctx.refresh();
+
+		VaultTemplate templateMock = ctx.getBean(VaultTemplate.class);
+
+		verify(templateMock).afterPropertiesSet();
+		verifyNoMoreInteractions(templateMock);
+	}
+
+	@Test
+	public void shouldEnablePropertySourceByProfile() {
+
+		AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
+
+		ctx.getEnvironment().addActiveProfile("demo");
+
+		ctx.register(Config.class);
+		ctx.register(DemoProfile.class);
+		ctx.register(DevProfile.class);
+
+		ctx.refresh();
+
+		VaultTemplate templateMock = ctx.getBean(VaultTemplate.class);
+
+		verify(templateMock).afterPropertiesSet();
+		verify(templateMock).read("foo");
+		verify(templateMock, never()).read("bar");
+	}
+}