Another fix for AssertThatStringIsEmpty, added support for CharSequences, added hasSize(0) case, refactored stuff. Added missing html.

src/test/java/de/platon42/intellij/playground/Playground.java

@@ -1,7 +1,5 @@
 package de.platon42.intellij.playground;
 
-import org.assertj.core.api.AbstractStringAssert;
-
 import java.util.ArrayList;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -52,8 +50,8 @@ public class Playground {
 
     private void stringIsEmpty() {
         String foo = "bar";
-        AbstractStringAssert<?> abstractStringAssert = assertThat(foo);
-        abstractStringAssert.isEqualTo("");
+        assertThat(foo).isEqualTo("");
+        assertThat(foo).hasSize(0);
     }
 
 }

src/test/java/de/platon42/intellij/plugins/cajon/inspections/AssertThatObjectIsNotNullInspectionTest.kt

@@ -14,7 +14,7 @@ internal class AssertThatObjectIsNotNullInspectionTest : AbstractCajonTest() {
         runTest {
             myFixture.enableInspections(AssertThatObjectIsNotNullInspection::class.java)
             myFixture.configureByFile("ObjectIsNotNullBefore.java")
-            executeQuickFixes(myFixture, Regex.fromLiteral("Replace isNotEqualTo(null) with isNotNull()"), 3)
+            executeQuickFixes(myFixture, Regex.fromLiteral("Replace isNotEqualTo() with isNotNull()"), 3)
             myFixture.checkResultByFile("ObjectIsNotNullAfter.java")
         }
     }

src/test/java/de/platon42/intellij/plugins/cajon/inspections/AssertThatObjectIsNullInspectionTest.kt

@@ -14,7 +14,7 @@ internal class AssertThatObjectIsNullInspectionTest : AbstractCajonTest() {
         runTest {
             myFixture.enableInspections(AssertThatObjectIsNullInspection::class.java)
             myFixture.configureByFile("ObjectIsNullBefore.java")
-            executeQuickFixes(myFixture, Regex.fromLiteral("Replace isEqualTo(null) with isNull()"), 3)
+            executeQuickFixes(myFixture, Regex.fromLiteral("Replace isEqualTo() with isNull()"), 3)
             myFixture.checkResultByFile("ObjectIsNullAfter.java")
         }
     }

src/test/java/de/platon42/intellij/plugins/cajon/inspections/AssertThatStringIsEmptyInspectionTest.kt

@@ -14,7 +14,7 @@ internal class AssertThatStringIsEmptyInspectionTest : AbstractCajonTest() {
         runTest {
             myFixture.enableInspections(AssertThatStringIsEmptyInspection::class.java)
             myFixture.configureByFile("StringIsEmptyBefore.java")
-            executeQuickFixes(myFixture, Regex("Replace is.*"), 1)
+            executeQuickFixes(myFixture, Regex("Replace .*"), 4)
             myFixture.checkResultByFile("StringIsEmptyAfter.java")
         }
     }

src/test/resources/inspections/StringIsEmpty/StringIsEmptyAfter.java

@@ -4,9 +4,16 @@ public class StringIsEmpty {
 
     private void stringIsEmpty() {
         String string = "string";
+        StringBuilder stringBuilder = new StringBuilder();
 
         assertThat(string).isEqualTo("foo");
         assertThat(string).as("foo").isEmpty();
+        assertThat(string).as("bar").isEmpty();
+
+        assertThat(stringBuilder).isEqualTo("foo");
+        assertThat(stringBuilder).as("foo").isEmpty();
+        assertThat(stringBuilder).as("bar").isEmpty();
+
         assertThat(new Object()).isEqualTo("");
     }
 }

src/test/resources/inspections/StringIsEmpty/StringIsEmptyBefore.java

@@ -4,9 +4,16 @@ public class StringIsEmpty {
 
     private void stringIsEmpty() {
         String string = "string";
+        StringBuilder stringBuilder = new StringBuilder();
 
         assertThat(string).isEqualTo("foo");
         assertThat(string).as("foo").isEqualTo("");
+        assertThat(string).as("bar").hasSize(0);
+
+        assertThat(stringBuilder).isEqualTo("foo");
+        assertThat(stringBuilder).as("foo").isEqualTo("");
+        assertThat(stringBuilder).as("bar").hasSize(0);
+
         assertThat(new Object()).isEqualTo("");
     }
 }