updated java version so it matches javascript version of tests

java/src/main/java/StatementPrinter.java

@@ -36,7 +36,7 @@ public class StatementPrinter {
             // add volume credits
             volumeCredits += Math.max(perf.audience - 30, 0);
             // add extra credit for every ten comedy attendees
-            if ("comedy" == play.type) volumeCredits += Math.floor(perf.audience / 5);
+            if ("comedy".equals(play.type)) volumeCredits += Math.floor(perf.audience / 5);
 
             // print line for this order
             result += String.format("  %s: %s (%s seats)\n", play.name, frmt.format(thisAmount / 100), perf.audience);

java/src/test/java/StatementPrinterTests.exampleStatement.approved.txt

@@ -0,0 +1,6 @@
+Statement for BigCo
+  Hamlet: $650.00 (55 seats)
+  As You Like It: $580.00 (35 seats)
+  Othello: $500.00 (40 seats)
+Amount owed is $1,730.00
+You earned 47 credits

java/src/test/java/StatementPrinterTests.java

@@ -1,30 +1,44 @@
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
 import java.util.List;
 import java.util.Map;
 
-import static org.assertj.core.api.Assertions.assertThat;
+import static org.approvaltests.Approvals.verify;
 
 public class StatementPrinterTests {
 
     @Test
-    void printsStatements() {
-        Map<String, Play> plays = Map.of("hamlet", new Play("Hamlet", "tragedy"),
+    void exampleStatement() {
+        Map<String, Play> plays = Map.of(
+                "hamlet",  new Play("Hamlet", "tragedy"),
                 "as-like", new Play("As You Like It", "comedy"),
                 "othello", new Play("Othello", "tragedy"));
 
-        Invoice invoice = new Invoice("BigCo", List.of(new Performance("hamlet", 55),
+        Invoice invoice = new Invoice("BigCo", List.of(
+                new Performance("hamlet", 55),
                 new Performance("as-like", 35),
                 new Performance("othello", 40)));
 
         StatementPrinter statementPrinter = new StatementPrinter();
         var result = statementPrinter.print(invoice, plays);
 
-        assertThat(result).isEqualTo("Statement for BigCo\n" +
-                "  Hamlet: $650.00 (55 seats)\n" +
-                "  As You Like It: $580.00 (35 seats)\n" +
-                "  Othello: $500.00 (40 seats)\n" +
-                "Amount owed is $1,730.00\n" +
-                "You earned 47 credits\n");
+        verify(result);
+    }
+
+    @Test
+    void statementWithNewPlayTypes() {
+        Map<String, Play> plays = Map.of(
+                "henry-v",  new Play("Henry V", "history"),
+                "as-like", new Play("As You Like It", "pastoral"));
+
+        Invoice invoice = new Invoice("BigCo", List.of(
+                new Performance("henry-v", 53),
+                new Performance("as-like", 55)));
+
+        StatementPrinter statementPrinter = new StatementPrinter();
+        Assertions.assertThrows(Error.class, () -> {
+            statementPrinter.print(invoice, plays);
+        });
     }
 }