Examples with EvaluationContext cn.taketoday.expression.EvaluationContext used on opensource projects

Example 6 with EvaluationContext

use of cn.taketoday.expression.EvaluationContext in project today-infrastructure by TAKETODAY.

the class SelectionAndProjectionTests method selectLastItemInMap.

@Test
@SuppressWarnings("unchecked")
void selectLastItemInMap() {
    EvaluationContext context = new StandardEvaluationContext(new MapTestBean());
    ExpressionParser parser = new SpelExpressionParser();
    Expression exp = parser.parseExpression("colors.$[key.startsWith('b')]");
    Map<String, String> colorsMap = (Map<String, String>) exp.getValue(context);
    assertThat(colorsMap.size()).isEqualTo(1);
    assertThat(colorsMap.keySet().iterator().next()).isEqualTo("brown");
}

Example 7 with EvaluationContext

use of cn.taketoday.expression.EvaluationContext in project today-infrastructure by TAKETODAY.

the class SelectionAndProjectionTests method selectFirstItemInArray.

@Test
void selectFirstItemInArray() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("integers.^[#this<5]");
    EvaluationContext context = new StandardEvaluationContext(new ArrayTestBean());
    Object value = expression.getValue(context);
    assertThat(value).isInstanceOf(Integer.class);
    assertThat(value).isEqualTo(0);
}

Example 8 with EvaluationContext

use of cn.taketoday.expression.EvaluationContext in project today-infrastructure by TAKETODAY.

the class SelectionAndProjectionTests method projectionWithSet.

@Test
@SuppressWarnings("unchecked")
void projectionWithSet() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("#testList.![wrapper.value]");
    EvaluationContext context = new StandardEvaluationContext();
    context.setVariable("testList", IntegerTestBean.createSet());
    Object value = expression.getValue(context);
    assertThat(value).isInstanceOf(List.class);
    List<Integer> list = (List<Integer>) value;
    assertThat(list).containsExactly(5, 6, 7);
}

Example 9 with EvaluationContext

use of cn.taketoday.expression.EvaluationContext in project today-infrastructure by TAKETODAY.

the class SelectionAndProjectionTests method projectionWithList.

@Test
@SuppressWarnings("unchecked")
void projectionWithList() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("#testList.![wrapper.value]");
    EvaluationContext context = new StandardEvaluationContext();
    context.setVariable("testList", IntegerTestBean.createList());
    Object value = expression.getValue(context);
    assertThat(value).isInstanceOf(List.class);
    List<Integer> list = (List<Integer>) value;
    assertThat(list).containsExactly(5, 6, 7);
}

Example 10 with EvaluationContext

use of cn.taketoday.expression.EvaluationContext in project today-infrastructure by TAKETODAY.

the class SelectionAndProjectionTests method selectionWithArray.

@Test
void selectionWithArray() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("integers.?[#this<5]");
    EvaluationContext context = new StandardEvaluationContext(new ArrayTestBean());
    Object value = expression.getValue(context);
    assertThat(value.getClass().isArray()).isTrue();
    TypedValue typedValue = new TypedValue(value);
    assertThat(typedValue.getTypeDescriptor().getElementDescriptor().getType()).isEqualTo(Integer.class);
    Integer[] array = (Integer[]) value;
    assertThat(array).containsExactly(0, 1, 2, 3, 4);
}