Title: org.springframework.test.web.servlet.assertj.AbstractHttpServletResponseAssert#headers case sensitivity · Issue #36349 · spring-projects/spring-framework · GitHub
Open Graph Title: org.springframework.test.web.servlet.assertj.AbstractHttpServletResponseAssert#headers case sensitivity · Issue #36349 · spring-projects/spring-framework
X Title: org.springframework.test.web.servlet.assertj.AbstractHttpServletResponseAssert#headers case sensitivity · Issue #36349 · spring-projects/spring-framework
Description: In process of adopting MockMvcTester for controller testing I found that assertThat(mockMvcTester.get("/....")...).headers().hasValue("cache-control", "public") //fails! assertThat(mockMvcTester.get("/....")...).matches(MockMvcResultMatc...
Open Graph Description: In process of adopting MockMvcTester for controller testing I found that assertThat(mockMvcTester.get("/....")...).headers().hasValue("cache-control", "public") //fails! assertThat(mockMvcTester.ge...
X Description: In process of adopting MockMvcTester for controller testing I found that assertThat(mockMvcTester.get("/....")...).headers().hasValue("cache-control", "public") //fail...
Opengraph URL: https://github.com/spring-projects/spring-framework/issues/36349
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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"org.springframework.test.web.servlet.assertj.AbstractHttpServletResponseAssert#headers case sensitivity","articleBody":"In process of adopting MockMvcTester for controller testing I found that\n\n```java\nassertThat(mockMvcTester.get(\"/....\")...).headers().hasValue(\"cache-control\", \"public\") //fails!\nassertThat(mockMvcTester.get(\"/....\")...).matches(MockMvcResultMatchers.header().string(\"cache-control\", \"public\")); //passes!\n```\n\nCode inspection shows that `HeaderResultMatchers` works in case sensitive mode and it differs from MockMvcResultMatchers behavior.\n\nPersonally I think it is a bug as headers are considered case insensitve by semantics, but at minimum it should be documented if you consider it as a feature","author":{"url":"https://github.com/zeldigas","@type":"Person","name":"zeldigas"},"datePublished":"2026-02-18T07:36:52Z","url":"https://github.com/spring-projects/spring-framework/issues/36349"}
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