added tests for rolling methods

common/script/script-api/src/test/java/org/thingsboard/script/api/tbel/TbelCfTsRollingArgTest.java

@@ -0,0 +1,131 @@
+/**
+ * Copyright © 2016-2024 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.script.api.tbel;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.assertj.core.api.Assertions.within;
+
+public class TbelCfTsRollingArgTest {
+
+    private final long ts = System.currentTimeMillis();
+
+    private TbelCfTsRollingArg rollingArg;
+
+    @BeforeEach
+    void setUp() {
+        rollingArg = new TbelCfTsRollingArg(
+                new TbTimeWindow(ts - 30000, ts - 10, 10),
+                List.of(
+                        new TbelCfTsDoubleVal(ts - 10, Double.NaN),
+                        new TbelCfTsDoubleVal(ts - 20, 2.0),
+                        new TbelCfTsDoubleVal(ts - 30, 8.0),
+                        new TbelCfTsDoubleVal(ts - 40, Double.NaN),
+                        new TbelCfTsDoubleVal(ts - 50, 3.0),
+                        new TbelCfTsDoubleVal(ts - 60, 9.0),
+                        new TbelCfTsDoubleVal(ts - 70, Double.NaN)
+                )
+        );
+    }
+
+    @Test
+    void testMax() {
+        assertThat(rollingArg.max()).isEqualTo(9.0);
+        assertThat(rollingArg.max(false)).isNaN();
+    }
+
+    @Test
+    void testMin() {
+        assertThat(rollingArg.min()).isEqualTo(2.0);
+        assertThat(rollingArg.min(false)).isNaN();
+    }
+
+    @Test
+    void testMean() {
+        assertThat(rollingArg.mean()).isEqualTo(5.5);
+        assertThat(rollingArg.mean(false)).isNaN();
+    }
+
+    @Test
+    void testStd() {
+        assertThat(rollingArg.std()).isCloseTo(3.0413812651491097, within(0.001));
+        assertThat(rollingArg.std(false)).isNaN();
+    }
+
+    @Test
+    void testMedian() {
+        assertThat(rollingArg.median()).isEqualTo(5.5);
+        assertThat(rollingArg.median(false)).isNaN();
+    }
+
+    @Test
+    void testCount() {
+        assertThat(rollingArg.count()).isEqualTo(4);
+        assertThat(rollingArg.count(false)).isEqualTo(7);
+    }
+
+    @Test
+    void testLast() {
+        assertThat(rollingArg.last()).isEqualTo(9.0);
+        assertThat(rollingArg.last(false)).isNaN();
+    }
+
+    @Test
+    void testFirst() {
+        assertThat(rollingArg.first()).isEqualTo(2.0);
+        assertThat(rollingArg.first(false)).isNaN();
+    }
+
+    @Test
+    void testFirstAndLastWhenOnlyNaNAndIgnoreNaNIsFalse() {
+        assertThat(rollingArg.first()).isEqualTo(2.0);
+        rollingArg = new TbelCfTsRollingArg(
+                new TbTimeWindow(ts - 30000, ts - 10, 10),
+                List.of(
+                        new TbelCfTsDoubleVal(ts - 10, Double.NaN),
+                        new TbelCfTsDoubleVal(ts - 40, Double.NaN),
+                        new TbelCfTsDoubleVal(ts - 70, Double.NaN)
+                )
+        );
+        assertThatThrownBy(rollingArg::first).isInstanceOf(IllegalArgumentException.class).hasMessage("Rolling argument values are empty.");
+        assertThatThrownBy(rollingArg::last).isInstanceOf(IllegalArgumentException.class).hasMessage("Rolling argument values are empty.");
+    }
+
+    @Test
+    void testSum() {
+        assertThat(rollingArg.sum()).isEqualTo(22.0);
+        assertThat(rollingArg.sum(false)).isNaN();
+    }
+
+    @Test
+    void testEmptyValues() {
+        rollingArg = new TbelCfTsRollingArg(new TbTimeWindow(0, 10, 10), List.of());
+        assertThatThrownBy(rollingArg::sum).isInstanceOf(IllegalArgumentException.class).hasMessage("Rolling argument values are empty.");
+        assertThatThrownBy(rollingArg::max).isInstanceOf(IllegalArgumentException.class).hasMessage("Rolling argument values are empty.");
+        assertThatThrownBy(rollingArg::min).isInstanceOf(IllegalArgumentException.class).hasMessage("Rolling argument values are empty.");
+        assertThatThrownBy(rollingArg::mean).isInstanceOf(IllegalArgumentException.class).hasMessage("Rolling argument values are empty.");
+        assertThatThrownBy(rollingArg::std).isInstanceOf(IllegalArgumentException.class).hasMessage("Rolling argument values are empty.");
+        assertThatThrownBy(rollingArg::median).isInstanceOf(IllegalArgumentException.class).hasMessage("Rolling argument values are empty.");
+        assertThatThrownBy(rollingArg::first).isInstanceOf(IllegalArgumentException.class).hasMessage("Rolling argument values are empty.");
+        assertThatThrownBy(rollingArg::last).isInstanceOf(IllegalArgumentException.class).hasMessage("Rolling argument values are empty.");
+    }
+
+}