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authorAdrien Hopkins <ahopk127@my.yorku.ca>2021-06-28 17:16:12 -0500
committerAdrien Hopkins <ahopk127@my.yorku.ca>2021-06-28 17:16:12 -0500
commit78af49e0e5b2ab2eaab87e62c33089c5caa834f8 (patch)
tree14d2a49900d706070882cfe150e08ec1882cdbc2 /src/test/java/org/unitConverter/unit/UnitDatabaseTest.java
parenta34d79383061ba53951f3f69a44f142820e82216 (diff)
Renamed project to 7Units
Diffstat (limited to 'src/test/java/org/unitConverter/unit/UnitDatabaseTest.java')
-rw-r--r--src/test/java/org/unitConverter/unit/UnitDatabaseTest.java310
1 files changed, 0 insertions, 310 deletions
diff --git a/src/test/java/org/unitConverter/unit/UnitDatabaseTest.java b/src/test/java/org/unitConverter/unit/UnitDatabaseTest.java
deleted file mode 100644
index 7f957f3..0000000
--- a/src/test/java/org/unitConverter/unit/UnitDatabaseTest.java
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@@ -1,310 +0,0 @@
-/**
- * Copyright (C) 2019 Adrien Hopkins
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- */
-package org.unitConverter.unit;
-
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertFalse;
-import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
-import java.util.Arrays;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.NoSuchElementException;
-import java.util.Set;
-
-import org.junit.jupiter.api.Test;
-
-/**
- * A test for the {@link UnitDatabase} class. This is NOT part of this program's
- * public API.
- *
- * @author Adrien Hopkins
- * @since 2019-04-14
- * @since v0.2.0
- */
-class UnitDatabaseTest {
- // some linear units and one nonlinear
- private static final Unit U = SI.METRE;
- private static final Unit V = SI.KILOGRAM;
- private static final Unit W = SI.SECOND;
-
- // used for testing expressions
- // J = U^2 * V / W^2
- private static final LinearUnit J = SI.KILOGRAM.times(SI.METRE.toExponent(2))
- .dividedBy(SI.SECOND.toExponent(2));
- private static final LinearUnit K = SI.KELVIN;
-
- private static final Unit NONLINEAR = Unit
- .fromConversionFunctions(SI.METRE.getBase(), o -> o + 1, o -> o - 1);
-
- // make the prefix values prime so I can tell which multiplications were made
- private static final UnitPrefix A = UnitPrefix.valueOf(2)
- .withName(NameSymbol.ofName("A"));
- private static final UnitPrefix B = UnitPrefix.valueOf(3)
- .withName(NameSymbol.ofName("B"));
- private static final UnitPrefix C = UnitPrefix.valueOf(5)
- .withName(NameSymbol.ofName("C"));
- private static final UnitPrefix AB = UnitPrefix.valueOf(7);
- private static final UnitPrefix BC = UnitPrefix.valueOf(11);
-
- /**
- * Confirms that operations that shouldn't function for infinite databases
- * throw an {@code IllegalStateException}.
- *
- * @since 2019-05-03
- */
-// @Test
-// @Timeout(value = 1, unit = TimeUnit.SECONDS)
- public void testInfiniteSetExceptions() {
- // load units
- final UnitDatabase infiniteDatabase = new UnitDatabase();
-
- infiniteDatabase.addUnit("J", J);
- infiniteDatabase.addUnit("K", K);
-
- infiniteDatabase.addPrefix("A", A);
- infiniteDatabase.addPrefix("B", B);
- infiniteDatabase.addPrefix("C", C);
-
- final Set<Entry<String, Unit>> entrySet = infiniteDatabase.unitMap()
- .entrySet();
- final Set<String> keySet = infiniteDatabase.unitMap().keySet();
- assertThrows(IllegalStateException.class, () -> entrySet.toArray());
- assertThrows(IllegalStateException.class, () -> keySet.toArray());
- }
-
- /**
- * Test that prefixes correctly apply to units.
- *
- * @since 2019-04-14
- * @since v0.2.0
- */
- @Test
- public void testPrefixes() {
- final UnitDatabase database = new UnitDatabase();
-
- database.addUnit("U", U);
- database.addUnit("V", V);
- database.addUnit("W", W);
-
- database.addPrefix("A", A);
- database.addPrefix("B", B);
- database.addPrefix("C", C);
-
- // test the getPrefixesFromName method
- final List<UnitPrefix> expected = Arrays.asList(C, B, A);
- assertEquals(expected, database.getPrefixesFromName("ABCU"));
-
- // get the product
- final Unit abcuNonlinear = database.getUnit("ABCU");
- assert abcuNonlinear instanceof LinearUnit;
-
- final LinearUnit abcu = (LinearUnit) abcuNonlinear;
- assertEquals(A.getMultiplier() * B.getMultiplier() * C.getMultiplier(),
- abcu.getConversionFactor(), 1e-15);
- }
-
- /**
- * Tests the functionnalites of the prefixless unit map.
- *
- * <p>
- * The map should be an auto-updating view of the units in the database.
- * </p>
- *
- * @since 2019-04-14
- * @since v0.2.0
- */
- @Test
- public void testPrefixlessUnitMap() {
- final UnitDatabase database = new UnitDatabase();
- final Map<String, Unit> prefixlessUnits = database
- .unitMapPrefixless(true);
-
- database.addUnit("U", U);
- database.addUnit("V", V);
- database.addUnit("W", W);
-
- // this should work because the map should be an auto-updating view
- assertTrue(prefixlessUnits.containsKey("U"));
- assertFalse(prefixlessUnits.containsKey("Z"));
-
- assertTrue(prefixlessUnits.containsValue(U));
- assertFalse(prefixlessUnits.containsValue(NONLINEAR));
- }
-
- /**
- * Tests that the database correctly stores and retrieves units, ignoring
- * prefixes.
- *
- * @since 2019-04-14
- * @since v0.2.0
- */
- @Test
- public void testPrefixlessUnits() {
- final UnitDatabase database = new UnitDatabase();
-
- database.addUnit("U", U);
- database.addUnit("V", V);
- database.addUnit("W", W);
-
- assertTrue(database.containsUnitName("U"));
- assertFalse(database.containsUnitName("Z"));
-
- assertEquals(U, database.getUnit("U"));
- assertThrows(NoSuchElementException.class, () -> database.getUnit("Z"));
- }
-
- /**
- * Test that unit expressions return the correct value.
- *
- * @since 2019-04-14
- * @since v0.2.0
- */
- @Test
- public void testUnitExpressions() {
- // load units
- final UnitDatabase database = new UnitDatabase();
-
- database.addUnit("U", U);
- database.addUnit("V", V);
- database.addUnit("W", W);
- database.addUnit("fj", J.times(5));
- database.addUnit("ej", J.times(8));
-
- database.addPrefix("A", A);
- database.addPrefix("B", B);
- database.addPrefix("C", C);
-
- // first test - test prefixes and operations
- final Unit expected1 = J.withPrefix(A).withPrefix(B).withPrefix(C)
- .withPrefix(C);
- final Unit actual1 = database.getUnitFromExpression("ABV * CU^2 / W / W");
-
- assertEquals(expected1, actual1);
-
- // second test - test addition and subtraction
- final Unit expected2 = J.times(58);
- final Unit actual2 = database.getUnitFromExpression("2 fj + 6 ej");
-
- assertEquals(expected2, actual2);
- }
-
- /**
- * Tests both the unit name iterator and the name-unit entry iterator
- *
- * @since 2019-04-14
- * @since v0.2.0
- */
- @Test
- public void testUnitIterator() {
- // load units
- final UnitDatabase database = new UnitDatabase();
-
- database.addUnit("J", J);
- database.addUnit("K", K);
-
- database.addPrefix("A", A);
- database.addPrefix("B", B);
- database.addPrefix("C", C);
-
- final int NUM_UNITS = database.unitMapPrefixless(true).size();
- final int NUM_PREFIXES = database.prefixMap().size();
-
- final Iterator<String> nameIterator = database.unitMap().keySet()
- .iterator();
- final Iterator<Entry<String, Unit>> entryIterator = database.unitMap()
- .entrySet().iterator();
-
- int expectedLength = 1;
- int unitsWithThisLengthSoFar = 0;
-
- // loop 1000 times
- for (int i = 0; i < 1000; i++) {
- // expected length of next
- if (unitsWithThisLengthSoFar >= NUM_UNITS
- * (int) Math.pow(NUM_PREFIXES, expectedLength - 1)) {
- expectedLength++;
- unitsWithThisLengthSoFar = 0;
- }
-
- // test that stuff is valid
- final String nextName = nameIterator.next();
- final Unit nextUnit = database.getUnit(nextName);
- final Entry<String, Unit> nextEntry = entryIterator.next();
-
- assertEquals(expectedLength, nextName.length());
- assertEquals(nextName, nextEntry.getKey());
- assertEquals(nextUnit, nextEntry.getValue());
-
- unitsWithThisLengthSoFar++;
- }
-
- // test toString for consistency
- final String entryIteratorString = entryIterator.toString();
- for (int i = 0; i < 3; i++) {
- assertEquals(entryIteratorString, entryIterator.toString());
- }
-
- final String nameIteratorString = nameIterator.toString();
- for (int i = 0; i < 3; i++) {
- assertEquals(nameIteratorString, nameIterator.toString());
- }
- }
-
- /**
- * Determine, given a unit name that could mean multiple things, which
- * meaning is chosen.
- * <p>
- * For example, "ABCU" could mean "A-B-C-U", "AB-C-U", or "A-BC-U". In this
- * case, "AB-C-U" is the correct choice.
- * </p>
- *
- * @since 2019-04-14
- * @since v0.2.0
- */
- @Test
- public void testUnitPrefixCombinations() {
- // load units
- final UnitDatabase database = new UnitDatabase();
-
- database.addUnit("J", J);
-
- database.addPrefix("A", A);
- database.addPrefix("B", B);
- database.addPrefix("C", C);
- database.addPrefix("AB", AB);
- database.addPrefix("BC", BC);
-
- // test 1 - AB-C-J vs A-BC-J vs A-B-C-J
- final Unit expected1 = J.withPrefix(AB).withPrefix(C);
- final Unit actual1 = database.getUnit("ABCJ");
-
- assertEquals(expected1, actual1);
-
- // test 2 - ABC-J vs AB-CJ vs AB-C-J
- database.addUnit("CJ", J.times(13));
- database.addPrefix("ABC", UnitPrefix.valueOf(17));
-
- final Unit expected2 = J.times(17);
- final Unit actual2 = database.getUnit("ABCJ");
-
- assertEquals(expected2, actual2);
- }
-}