Introduce SpringTestRules Refaster rule collection

See:
- https://github.com/uber/NullAway/blob/master/CHANGELOG.md
- https://github.com/uber/NullAway/releases/tag/v0.12.5
- https://github.com/uber/NullAway/compare/v0.12.4...v0.12.5

documentation-support/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>tech.picnic.error-prone-support</groupId>
         <artifactId>error-prone-support</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>documentation-support</artifactId>

error-prone-contrib/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>tech.picnic.error-prone-support</groupId>
         <artifactId>error-prone-support</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>error-prone-contrib</artifactId>

error-prone-contrib/src/main/java/tech/picnic/errorprone/refasterrules/SpringTestRules.java

@@ -0,0 +1,47 @@
+package tech.picnic.errorprone.refasterrules;
+
+import com.google.errorprone.refaster.Refaster;
+import com.google.errorprone.refaster.annotation.AfterTemplate;
+import com.google.errorprone.refaster.annotation.BeforeTemplate;
+import org.springframework.test.json.JsonCompareMode;
+import org.springframework.test.web.reactive.server.WebTestClient.BodyContentSpec;
+import tech.picnic.errorprone.refaster.annotation.OnlineDocumentation;
+
+/** Refaster rules related to Spring Test expressions and statements. */
+@OnlineDocumentation
+final class SpringTestRules {
+  private SpringTestRules() {}
+
+  /**
+   * Prefer {@link BodyContentSpec#json(String, JsonCompareMode)} over alternatives that implicitly
+   * perform a {@link JsonCompareMode#LENIENT lenient} comparison or are deprecated.
+   */
+  static final class BodyContentSpecJsonLenient {
+    @BeforeTemplate
+    @SuppressWarnings("deprecation" /* This deprecated method invocation will be rewritten. */)
+    BodyContentSpec before(BodyContentSpec spec, String expectedJson) {
+      return Refaster.anyOf(spec.json(expectedJson), spec.json(expectedJson, /* strict= */ false));
+    }
+
+    @AfterTemplate
+    BodyContentSpec after(BodyContentSpec spec, String expectedJson) {
+      return spec.json(expectedJson, JsonCompareMode.LENIENT);
+    }
+  }
+
+  /**
+   * Prefer {@link BodyContentSpec#json(String, JsonCompareMode)} over the deprecated alternative.
+   */
+  static final class BodyContentSpecJsonStrict {
+    @BeforeTemplate
+    @SuppressWarnings("deprecation" /* This deprecated method invocation will be rewritten. */)
+    BodyContentSpec before(BodyContentSpec spec, String expectedJson) {
+      return spec.json(expectedJson, /* strict= */ true);
+    }
+
+    @AfterTemplate
+    BodyContentSpec after(BodyContentSpec spec, String expectedJson) {
+      return spec.json(expectedJson, JsonCompareMode.STRICT);
+    }
+  }
+}

error-prone-contrib/src/test/java/tech/picnic/errorprone/refasterrules/RefasterRulesTest.java

@@ -73,6 +73,7 @@ final class RefasterRulesTest {
           PrimitiveRules.class,
           ReactorRules.class,
           RxJava2AdapterRules.class,
+          SpringTestRules.class,
           StreamRules.class,
           StringRules.class,
           SuggestedFixRules.class,

error-prone-contrib/src/test/resources/tech/picnic/errorprone/refasterrules/SpringTestRulesTestInput.java

@@ -0,0 +1,18 @@
+package tech.picnic.errorprone.refasterrules;
+
+import com.google.common.collect.ImmutableSet;
+import org.springframework.test.web.reactive.server.WebTestClient.BodyContentSpec;
+import tech.picnic.errorprone.refaster.test.RefasterRuleCollectionTestCase;
+
+final class SpringTestRulesTest implements RefasterRuleCollectionTestCase {
+  @SuppressWarnings("deprecation" /* Rule rewrites deprecated method invocation. */)
+  ImmutableSet<BodyContentSpec> testBodyContentSpecJsonLenient() {
+    return ImmutableSet.of(
+        ((BodyContentSpec) null).json("foo"), ((BodyContentSpec) null).json("bar", false));
+  }
+
+  @SuppressWarnings("deprecation" /* Rule rewrites deprecated method invocation. */)
+  BodyContentSpec testBodyContentSpecJsonStrict() {
+    return ((BodyContentSpec) null).json("foo", true);
+  }
+}

error-prone-contrib/src/test/resources/tech/picnic/errorprone/refasterrules/SpringTestRulesTestOutput.java

@@ -0,0 +1,20 @@
+package tech.picnic.errorprone.refasterrules;
+
+import com.google.common.collect.ImmutableSet;
+import org.springframework.test.json.JsonCompareMode;
+import org.springframework.test.web.reactive.server.WebTestClient.BodyContentSpec;
+import tech.picnic.errorprone.refaster.test.RefasterRuleCollectionTestCase;
+
+final class SpringTestRulesTest implements RefasterRuleCollectionTestCase {
+  @SuppressWarnings("deprecation" /* Rule rewrites deprecated method invocation. */)
+  ImmutableSet<BodyContentSpec> testBodyContentSpecJsonLenient() {
+    return ImmutableSet.of(
+        ((BodyContentSpec) null).json("foo", JsonCompareMode.LENIENT),
+        ((BodyContentSpec) null).json("bar", JsonCompareMode.LENIENT));
+  }
+
+  @SuppressWarnings("deprecation" /* Rule rewrites deprecated method invocation. */)
+  BodyContentSpec testBodyContentSpecJsonStrict() {
+    return ((BodyContentSpec) null).json("foo", JsonCompareMode.STRICT);
+  }
+}

error-prone-experimental/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>tech.picnic.error-prone-support</groupId>
         <artifactId>error-prone-support</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>error-prone-experimental</artifactId>

error-prone-guidelines/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>tech.picnic.error-prone-support</groupId>
         <artifactId>error-prone-support</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>error-prone-guidelines</artifactId>

error-prone-utils/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>tech.picnic.error-prone-support</groupId>
         <artifactId>error-prone-support</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>error-prone-utils</artifactId>

pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>tech.picnic.error-prone-support</groupId>
     <artifactId>error-prone-support</artifactId>
-    <version>0.21.0</version>
+    <version>0.21.1-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Picnic :: Error Prone Support</name>
@@ -52,7 +52,7 @@
 
     <scm child.scm.developerConnection.inherit.append.path="false" child.scm.url.inherit.append.path="false">
         <developerConnection>scm:git:git@github.com:PicnicSupermarket/error-prone-support.git</developerConnection>
-        <tag>v0.21.0</tag>
+        <tag>HEAD</tag>
         <url>https://github.com/PicnicSupermarket/error-prone-support</url>
     </scm>
     <issueManagement>
@@ -146,7 +146,7 @@
         <error-prone.self-check-args />
         <!-- The build timestamp is derived from the most recent commit
         timestamp in support of reproducible builds. -->
-        <project.build.outputTimestamp>2025-03-24T10:36:40Z</project.build.outputTimestamp>
+        <project.build.outputTimestamp>2025-03-24T10:41:07Z</project.build.outputTimestamp>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <!-- Glob pattern identifying Refaster rule definition files. These
         Java classes don't contain "regular" code, and thus require special
@@ -213,7 +213,7 @@
         <version.maven>3.9.9</version.maven>
         <version.mockito>5.16.1</version.mockito>
         <version.nopen-checker>1.0.1</version.nopen-checker>
-        <version.nullaway>0.12.4</version.nullaway>
+        <version.nullaway>0.12.5</version.nullaway>
         <version.pitest-git>2.2.0</version.pitest-git>
         <version.rewrite-templating>1.24.1</version.rewrite-templating>
         <version.surefire>3.2.3</version.surefire>

refaster-compiler/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>tech.picnic.error-prone-support</groupId>
         <artifactId>error-prone-support</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>refaster-compiler</artifactId>

refaster-runner/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>tech.picnic.error-prone-support</groupId>
         <artifactId>error-prone-support</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>refaster-runner</artifactId>

refaster-support/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>tech.picnic.error-prone-support</groupId>
         <artifactId>error-prone-support</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>refaster-support</artifactId>

refaster-test-support/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>tech.picnic.error-prone-support</groupId>
         <artifactId>error-prone-support</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>refaster-test-support</artifactId>

website/_data/compatibility.yml

@@ -1,6 +1,9 @@
 # An overview of Error Prone Support releases, along with compatible Error
 # Prone releases. This data was generated by `generate-version-compatibility-overview.sh`.
 releases:
+  - version: 0.21.0
+    compatible:
+      - "2.37.0"
   - version: 0.20.0
     compatible:
       - "2.36.0"