diff options
Diffstat (limited to 'src/test/java/sevenUnits/unit/UnitDatabaseTest.java')
| -rw-r--r-- | src/test/java/sevenUnits/unit/UnitDatabaseTest.java | 196 |
1 files changed, 98 insertions, 98 deletions
diff --git a/src/test/java/sevenUnits/unit/UnitDatabaseTest.java b/src/test/java/sevenUnits/unit/UnitDatabaseTest.java index 4be33dd..9d650f0 100644 --- a/src/test/java/sevenUnits/unit/UnitDatabaseTest.java +++ b/src/test/java/sevenUnits/unit/UnitDatabaseTest.java @@ -53,9 +53,9 @@ import sevenUnits.utils.UncertainDouble; class UnitDatabaseTest { private static final class SimpleEntry<K, V> implements Map.Entry<K, V> { private final K key; - + private V value; - + /** * * @since 2021-10-07 @@ -64,7 +64,7 @@ class UnitDatabaseTest { this.key = key; this.value = value; } - + @Override public boolean equals(Object obj) { if (this == obj) @@ -75,23 +75,23 @@ class UnitDatabaseTest { return Objects.equals(this.key, other.getKey()) && Objects.equals(this.value, other.getValue()); } - + @Override public K getKey() { return this.key; } - + @Override public V getValue() { return this.value; } - + @Override public int hashCode() { return (this.key == null ? 0 : this.key.hashCode()) ^ (this.value == null ? 0 : this.value.hashCode()); } - + @Override public V setValue(V value) { final V oldValue = this.value; @@ -99,20 +99,20 @@ class UnitDatabaseTest { return oldValue; } } - + // some linear units and one nonlinear private static final Unit U = Metric.METRE; private static final Unit V = Metric.KILOGRAM; - + private static final Unit W = Metric.SECOND; // used for testing expressions // J = U^2 * V / W^2 private static final LinearUnit J = Metric.KILOGRAM .times(Metric.METRE.toExponent(2)) .dividedBy(Metric.SECOND.toExponent(2)); - + private static final LinearUnit K = Metric.KELVIN; - + private static final Unit NONLINEAR = Unit.fromConversionFunctions( Metric.METRE.getBase(), o -> o + 1, o -> o - 1); // make the prefix values prime so I can tell which multiplications were made @@ -123,9 +123,9 @@ class UnitDatabaseTest { 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); - + /** * Gets a map entry. * @@ -139,7 +139,7 @@ class UnitDatabaseTest { private static <K, V> Map.Entry<K, V> entry(K key, V value) { return new SimpleEntry<>(key, value); } - + /** * Loads the dimensionfile at src/test/resources/[path] to the database * {@code loadTo}. @@ -156,7 +156,7 @@ class UnitDatabaseTest { fail(e.getClass() + " occurred upon loading file \"" + path + "\"."); } } - + /** * Loads the unitfile at src/test/resources/[path] to the database * {@code loadTo}. @@ -173,7 +173,7 @@ class UnitDatabaseTest { fail(e.getClass() + " occurred upon loading file \"" + path + "\"."); } } - + /** * A test for the {@link UnitDatabase#evaluateUnitExpression(String)} * function. Simple because the expression parser has its own test. @@ -183,26 +183,26 @@ class UnitDatabaseTest { @Test public void testEvaluateExpression() { 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 LinearUnitValue expected = LinearUnitValue.of(J, UncertainDouble.of(12, Math.sqrt(14.625))); // note: units are exact, each number has an uncertainty of 1 final LinearUnitValue actual = database .evaluateUnitExpression("J + (2 * 3) J + (20 / 4) J"); assertEquals(expected, actual); - + // check that negation works properly assertEquals(2, database.evaluateUnitExpression("J - -1 * J").getValueExact()); } - + /** * Test for {@link UnitDatabase#getUnit}, {@link UnitDatabase#getLinearUnit} * and {@link UnitDatabase#getLinearUnitValue}. @@ -212,14 +212,14 @@ class UnitDatabaseTest { @Test public void testGetUnit() { final UnitDatabase database = new UnitDatabase(); - + database.addUnit("m", Metric.METRE); database.addUnit("meter", Metric.METRE); database.addUnit("metre", Metric.METRE); database.addUnit("badname", Metric.METRE); database.addUnit("K", Metric.KELVIN); database.addUnit("degC", Metric.CELSIUS); - + // ensure getUnit returns units, regardless of whether the name is one of // the unit's names assertEquals(Metric.METRE, database.getUnit("m")); @@ -228,14 +228,14 @@ class UnitDatabaseTest { assertEquals(Metric.METRE, database.getUnit("badname")); assertThrows(NoSuchElementException.class, () -> database.getUnit("blabla")); - + assertEquals(Metric.KELVIN, database.getLinearUnit("K")); assertThrows(IllegalArgumentException.class, () -> database.getLinearUnit("degC")); assertEquals(Metric.KELVIN.times(373.15), database.getLinearUnit("degC(100)")); } - + /** * Confirms that operations that shouldn't function for infinite databases * throw an {@code IllegalStateException}. @@ -247,21 +247,21 @@ class UnitDatabaseTest { 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()); } - + /** * A bunch of tests for invalid dimension files * @@ -282,7 +282,7 @@ class UnitDatabaseTest { assertTrue(e instanceof IllegalArgumentException || e instanceof NoSuchElementException); } - + /** * A bunch of tests for invalid unit files * @@ -300,7 +300,7 @@ class UnitDatabaseTest { assertTrue(e instanceof IllegalArgumentException || e instanceof NoSuchElementException); } - + /** * Tests loading a valid dimension-file with some derived dimensions. * @@ -312,13 +312,13 @@ class UnitDatabaseTest { database.addDimension("LENGTH", Metric.Dimensions.LENGTH); database.addDimension("MASS", Metric.Dimensions.MASS); database.addDimension("TIME", Metric.Dimensions.TIME); - + loadDimensionFile(database, "/test-dimensionfile-valid1.txt"); assertEquals(Metric.Dimensions.ENERGY, database.getDimension("ENERGY")); assertEquals(Metric.Dimensions.POWER, database.getDimension("POWER")); - + } - + /** * Tests loading a valid unitfile with some prefixes and no units. * @@ -327,13 +327,13 @@ class UnitDatabaseTest { @Test public void testLoadingValidPrefixes() { final UnitDatabase database = new UnitDatabase(); - + loadUnitsFile(database, "/test-unitsfile-valid2.txt"); assertEquals(7, database.getPrefix("A").getMultiplier()); assertEquals(11, database.getPrefix("B").getMultiplier()); assertEquals(13, database.getPrefix("C").getMultiplier()); } - + /** * Tests loading a valid unitfile with some units and preloaded prefixes * @@ -342,43 +342,43 @@ class UnitDatabaseTest { @Test public void testLoadingValidUnits() { 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); - + loadUnitsFile(database, "/test-unitsfile-valid1.txt"); - + final Unit expected1 = ((LinearUnit) U).withPrefix(A).withPrefix(B) .withPrefix(C); final Unit actual1 = database.getUnit("test1"); assertEquals(expected1, actual1); - + final Unit expected2 = ((LinearUnit) W).withPrefix(B) .times(((LinearUnit) V).withPrefix(C)); final Unit actual2 = database.getUnit("test2"); assertEquals(expected2, actual2); - + final Unit expected3 = ((LinearUnit) U) .times(A.getMultiplier() + C.getMultiplier() - B.getMultiplier()); final Unit actual3 = database.getUnit("test3"); assertEquals(expected3, actual3); - + final UnitValue expected4 = UnitValue.of(U, 1); final UnitValue actual4 = database .evaluateUnitExpression("-5 * U + -3 * U + 12 * U - 3 * U") .asUnitValue(); assertEquals(expected4, actual4); - + assertTrue(System.err.toString().length() > 0); } - + /** * Tests the iterator of the prefixless unit map. These tests are simple, as * the unit map iterator is simple. @@ -388,16 +388,16 @@ class UnitDatabaseTest { @Test public void testPrefixedUnitMapIterator() { final UnitDatabase database1 = new UnitDatabase(); - + database1.addUnit("U", U); database1.addUnit("V", V); database1.addUnit("W", W); - + final Map<String, Unit> map1 = database1.unitMap(); final Iterator<String> keyIterator1 = map1.keySet().iterator(); final Iterator<Map.Entry<String, Unit>> entryIterator1 = map1.entrySet() .iterator(); - + final Set<String> expectedKeys = Set.of("U", "V", "W"); final Set<String> actualKeys = new HashSet<>(); while (keyIterator1.hasNext()) { @@ -405,7 +405,7 @@ class UnitDatabaseTest { } assertEquals(expectedKeys, actualKeys); assertEquals(expectedKeys, map1.keySet()); - + final Set<Map.Entry<String, Unit>> expectedEntries = Set.of(entry("U", U), entry("V", V), entry("W", W)); final Set<Map.Entry<String, Unit>> actualEntries = new HashSet<>(); @@ -415,7 +415,7 @@ class UnitDatabaseTest { assertEquals(expectedEntries, actualEntries); assertEquals(expectedEntries, map1.entrySet()); } - + /** * Test that prefixes correctly apply to units. * @@ -425,28 +425,28 @@ class UnitDatabaseTest { @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. * @@ -462,19 +462,19 @@ class UnitDatabaseTest { 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. @@ -485,18 +485,18 @@ class UnitDatabaseTest { @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 public void testRemovableDuplicates() { final Map<String, Unit> unitMap = new HashMap<>(); @@ -504,7 +504,7 @@ class UnitDatabaseTest { unitMap.put("metre", Metric.METRE); unitMap.put("m", Metric.METRE); unitMap.put("second", Metric.SECOND); - + assertTrue(UnitDatabase.isRemovableDuplicate(unitMap, entry("m", Metric.METRE))); assertTrue(UnitDatabase.isRemovableDuplicate(unitMap, @@ -514,28 +514,28 @@ class UnitDatabaseTest { assertFalse(UnitDatabase.isRemovableDuplicate(unitMap, entry("second", Metric.SECOND))); } - + @Test public void testToString() { final UnitDatabase database = new UnitDatabase(); - + database.addUnit("J", J); database.addUnit("K", J); - + database.addPrefix("A", A); database.addPrefix("B", B); database.addPrefix("C", C); - + if ("Unit Database with 1 units, 3 unit prefixes and 0 dimensions" .equals(database.toString())) { fail("Database counts by number of units, not number of unit names."); } - + assertEquals( "Unit Database with 2 units, 3 unit prefixes and 0 dimensions", database.toString()); } - + /** * Test that unit expressions return the correct value. * @@ -546,37 +546,37 @@ class UnitDatabaseTest { 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); - + // test incorrect expressions assertThrows(IllegalArgumentException.class, () -> database.getUnitFromExpression("U + V")); assertThrows(IllegalArgumentException.class, () -> database.getUnitFromExpression("U - V")); } - + /** * Tests both the unit name iterator and the name-unit entry iterator * @@ -587,25 +587,25 @@ class UnitDatabaseTest { 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(true).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 @@ -614,31 +614,31 @@ class UnitDatabaseTest { 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. @@ -654,28 +654,28 @@ class UnitDatabaseTest { 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); } } |