#566 - Refactor internals - SpiExpression, add prepareExpression() to merge queryAutoTuneHash() and queryPlanHash() - sameByPlan() & sameByBind()

src/test/java/com/avaje/ebeaninternal/server/expression/JunctionExpressionTest.java

@@ -0,0 +1,60 @@
+package com.avaje.ebeaninternal.server.expression;
+
+import com.avaje.ebean.Expr;
+import com.avaje.ebean.Expression;
+import org.junit.Test;
+
+import static org.assertj.core.api.StrictAssertions.assertThat;
+
+public class JunctionExpressionTest {
+
+  Expression eq(String propName, int value) {
+    return Expr.eq(propName, value);
+  }
+
+
+  DefaultExpressionList<?> exp(Expression... expressions) {
+
+    DefaultExpressionList<Object> list = new DefaultExpressionList<Object>(null, new DefaultExpressionFactory(true), null);
+    for (Expression ex : expressions) {
+      list.add(ex);
+    }
+    return list;
+  }
+
+  <T> JunctionExpression and(DefaultExpressionList<T> list) {
+    return new JunctionExpression.Conjunction<T>(list);
+  }
+
+  <T> JunctionExpression or(DefaultExpressionList<T> list) {
+    return new JunctionExpression.Disjunction<T>(list);
+  }
+
+  @Test
+  public void isSameByPlan_when_same() {
+
+    assertThat(and(exp(eq("a", 10), eq("b", 10)))
+        .isSameByPlan(and(exp(eq("a", 10), eq("b", 10))))).isTrue();
+  }
+
+  @Test
+  public void copyForPlanKey_isSameByPlan_when_same() {
+
+    assertThat(and(exp(eq("a", 10), eq("b", 10)).copyForPlanKey())
+        .isSameByPlan(and(exp(eq("a", 10), eq("b", 10))))).isTrue();
+  }
+
+  @Test
+  public void copyForPlanKey_isSameByPlan_when_diff() {
+
+    assertThat(and(exp(eq("a", 10), eq("b", 10)).copyForPlanKey())
+        .isSameByPlan(and(exp(eq("a", 10), eq("c", 10))))).isFalse();
+  }
+
+  @Test
+  public void isSameByPlan_when_diffType() {
+
+    assertThat(and(exp(eq("a", 10), eq("b", 10)))
+        .isSameByPlan(or(exp(eq("a", 10), eq("b", 10))))).isFalse();
+  }
+}