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Contents
module etl;
import std.array : array;
import std.algorithm.sorting : sort;
import std.algorithm.comparison : equal;
unittest
{
// test associative array equality
bool aaEqual (const int[dchar] lhs, const int[dchar] rhs)
{
auto lhs_pairs = lhs.byKeyValue.array;
auto rhs_pairs = rhs.byKeyValue.array;
lhs_pairs.sort!(q{a.key < b.key});
rhs_pairs.sort!(q{a.key < b.key});
return equal!("a.key == b.key && a.value == b.value")(lhs_pairs, rhs_pairs);
}
immutable int allTestsEnabled = 0;
// transform one value
{
immutable string[int] old = [1: "A"];
const auto actual = transform(old);
const int[dchar] expected = ['a': 1];
assert(aaEqual(expected, actual));
}
static if (allTestsEnabled)
{
// transform more values
{
immutable string[int] old = [1: "AEIOU"];
const auto actual = transform(old);
const int[dchar] expected = ['a': 1, 'e': 1, 'i': 1, 'o': 1, 'u': 1];
assert(aaEqual(expected, actual));
}
// transforms more keys
{
immutable string[int] old = [1: "AE", 2: "DG"];
const auto actual = transform(old);
const int[dchar] expected = ['a': 1, 'e': 1, 'd': 2, 'g': 2];
assert(aaEqual(expected, actual));
}
// transforms a full dataset
{
immutable string[int] old = [1: "AEIOULNRST",
2: "DG",
3: "BCMP",
4: "FHVWY",
5: "K",
8: "JX",
10: "QZ"];
const auto actual = transform(old);
const int[dchar] expected = ['a': 1, 'b': 3, 'c': 3, 'd': 2, 'e': 1,
'f': 4, 'g': 2, 'h': 4, 'i': 1, 'j': 8,
'k': 5, 'l': 1, 'm': 3, 'n': 1, 'o': 1,
'p': 3, 'q': 10, 'r': 1, 's': 1, 't': 1,
'u': 1, 'v': 4, 'w': 4, 'x': 8, 'y': 4,
'z': 10];
assert(aaEqual(expected, actual));
}
}
}
Version data entries
213 entries across 213 versions & 1 rubygems