public void JmesPathProjection_Slice()
{
// expression foo[0:2].a
JmesPathExpression expression = new JmesPathSubExpression(
new JmesPathIndexExpression(
new JmesPathIdentifier("foo"),
new JmesPathSliceProjection(0, 2, null)
),
new JmesPathIdentifier("a")
);
Assert(expression, "{\"foo\": [{\"a\": 1}, {\"a\": 2}, {\"a\": 3}, {\"a\": 4}]}", "[1,2]");
// expression foo[0:2][0:1]
expression = new JmesPathIndexExpression(
new JmesPathIndexExpression(
new JmesPathIdentifier("foo"),
new JmesPathSliceProjection(0, 2, null)
),
new JmesPathSliceProjection(0, 1, null)
);
Assert(expression, "{\"foo\": [[1, 2, 3], [4, 5, 6]]}", "[[1],[4]]");
}
public void JmesPathProjection_Wildcard_Hash()
{
var expression = new JmesPathSubExpression(
new JmesPathHashWildcardProjection(),
new JmesPathIdentifier("foo")
);
Assert(expression, "{\"a\": {\"foo\": 1}, \"b\": {\"foo\": 2}, \"c\": {\"bar\": 1}}", "[1,2]");
}
public void OnSubExpression()
{
Prolog();
System.Diagnostics.Debug.Assert(expressions_.Count >= 2);
var right = expressions_.Pop();
var left = expressions_.Pop();
var expression = new JmesPathSubExpression(left, right);
expressions_.Push(expression);
}
public void JmesPathProjection_Wildcard_List()
{
JmesPathExpression identifier = new JmesPathIdentifier("foo");
JmesPathProjection wildcard = new JmesPathListWildcardProjection();
JmesPathExpression expression = new JmesPathSubExpression(wildcard, identifier);
Assert(expression, "[{\"foo\": 1}, {\"foo\": 2}, {\"foo\": 3}]", "[1,2,3]");
Assert(expression, "[{\"foo\": 1}, {\"foo\": 2}, {\"bar\": 3}]", "[1,2]");
identifier = new JmesPathIndex(0);
wildcard = new JmesPathListWildcardProjection();
expression = new JmesPathIndexExpression(wildcard, identifier);
Assert(expression, "[\"foo\", \"bar\"]", "[]");
}
