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Versions: 71
Compression:
Stored size: 1.69 KB
Contents
#if swift(>=3.0)
import XCTest
#endif
class NucleotideCountTest: XCTestCase {
func testEmptyDNAStringHasNoAdenosine() {
let dna = DNA(strand: "")!
let result = dna.count("A")
let expected = 0
XCTAssertEqual(result, expected)
}
func testEmptyDNAStringHasNoNucleotides() {
let dna = DNA(strand: "")!
let results = dna.counts()
let expected = ["T": 0, "A": 0, "C": 0, "G": 0]
XCTAssertEqual(results, expected)
}
func testRepetitiveCytidineGetsCounted() {
let dna = DNA(strand: "CCCCC")!
let result = dna.count("C")
let expected = 5
XCTAssertEqual(result, expected)
}
func testRepetitiveSequenceHasOnlyGuanosine() {
let dna = DNA(strand: "GGGGGGGG")!
let results = dna.counts()
let expected = [ "A": 0, "T": 0, "C": 0, "G": 8 ]
XCTAssertEqual(results, expected)
}
func testCountsByThymidine() {
let dna = DNA(strand: "GGGGGTAACCCGG")!
let result = dna.count("T")
let expected = 1
XCTAssertEqual(result, expected)
}
func testCountsANucleotideOnlyOnce() {
let dna = DNA(strand: "CGATTGGG")!
let result = dna.count("T")
let expected = 2
XCTAssertEqual(result, expected)
}
func testValidatesDNA() {
XCTAssert(DNA(strand: "John") == nil )
}
func testCountsAllNucleotides() {
let longStrand = "AGCTTTTCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAAAAAGAGTGTCTGATAGCAGC"
let dna = DNA(strand: longStrand)!
let results = dna.counts()
let expected = [ "A": 20, "T": 21, "C": 12, "G" : 17 ]
XCTAssertEqual(results, expected)
}
}
Version data entries
71 entries across 71 versions & 1 rubygems