Examples of com.google.visualization.datasource.query.Query

Package com.google.visualization.datasource.query

Examples of com.google.visualization.datasource.query.Query

com.google.visualization.datasource.query.Query
google.com/apis/visualization/documentation/querylanguage.html"> query language reference . A Query can be executed by the query engine (see: {@link com.google.visualization.datasource.DataSourceHelper#applyQuery}). It can be split in 2 Query objects based on the Capabilities value (see: {@link com.google.visualization.datasource.DataSourceHelper#splitQuery}). Note on errors: Since this class handles a user generated query, all errors (of type INVALID_QUERY) should provide a descriptive error message for both the user. @author Itai R. @author Yonatan B.Y.

  }


  // LIMIT and OFFSET tests


  public void testValidLimit() throws Exception {
    Query query = QueryBuilder.getInstance().parseQuery(" limit 100 ");
    assertEquals(100, query.getRowLimit());
  }

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    assertEquals(100, query.getRowLimit());
  }


  public void testInvalidLimit() throws Exception {
    try {
      Query query = QueryBuilder.getInstance().parseQuery(" limit 100.5 ");
      fail("Should have thrown an exception.");
    } catch (InvalidQueryException e) {
      // Expected behavior.
    }
  }

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    }
  }


  public void testInvalidLimit2() throws Exception {
    try {
      Query query = QueryBuilder.getInstance().parseQuery(" limit gaga ");
      fail("Should have thrown an exception.");
    } catch (InvalidQueryException e) {
      // Expected behavior.
    }
  }

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    }
  }


  public void testUnspecifiedLimit() throws Exception {
    try {
      Query query = QueryBuilder.getInstance().parseQuery(" limit ");
      fail("Should have thrown an exception.");
    } catch (InvalidQueryException e) {
      // Expected behavior.
    }
  }

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      // Expected behavior.
    }
  }


  public void testValidOffset() throws Exception {
    Query query = QueryBuilder.getInstance().parseQuery(" offset 100 ");
    assertEquals(100, query.getRowOffset());
  }

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    assertEquals(100, query.getRowOffset());
  }


  public void testInvalidOffset() throws Exception {
    try {
      Query query = QueryBuilder.getInstance().parseQuery(" offset 100.5 ");
      fail("Should have thrown an exception.");
    } catch (InvalidQueryException e) {
      // Expected behavior.
    }
  }

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    }
  }


  public void testInvalidOffset2() throws Exception {
    try {
      Query query = QueryBuilder.getInstance().parseQuery(" offset gaga ");
      fail("Should have thrown an exception.");
    } catch (InvalidQueryException e) {
      // Expected behavior.
    }
  }

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    }
  }


  public void testUnspecifiedOffset() throws Exception {
    try {
      Query query = QueryBuilder.getInstance().parseQuery(" offset ");
      fail("Should have thrown an exception.");
    } catch (InvalidQueryException e) {
      // Expected behavior.
    }
  }

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      // Expected behavior.
    }
  }


  public void testLimitAndOffset() throws Exception {
    Query query = QueryBuilder.getInstance().parseQuery(" limit 100 offset 10 ");
    assertEquals(100, query.getRowLimit());
    assertEquals(10, query.getRowOffset());
  }

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    assertEquals(10, query.getRowOffset());
  }


  public void testReverseLimitAndOffset() throws Exception {
    try {
      Query query = QueryBuilder.getInstance().parseQuery(" offset 10 limit 10 ");
      fail("Should have thrown an exception.");
    } catch (InvalidQueryException e) {
      // Expected behavior.
    }
  }

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