Tests/AppTests/DomainTests.swift

import Foundation
@testable import App
import XCTest
//import Vapor


final class DomainTests: XCTestCase {
    func testRegularGridSlice() {
        let grid = RegularGrid(nx: 10, ny: 10, latMin: 10, lonMin: 10, dx: 0.1, dy: 0.1)
        let sub = RegularGridSlice(grid: grid, yRange: 1..<3, xRange: 4..<6)
        XCTAssertEqual(sub.map{$0}, [14, 15, 24, 25])
        XCTAssertEqual(sub[0], 14)
        XCTAssertEqual(sub[1], 15)
        XCTAssertEqual(sub[2], 24)
        XCTAssertEqual(sub[3], 25)
        XCTAssertTrue(RegularGridSlice(grid: grid, yRange: 1..<3, xRange: 4..<4).map{$0}.isEmpty)
        XCTAssertTrue(RegularGridSlice(grid: grid, yRange: 1..<1, xRange: 4..<6).map{$0}.isEmpty)
        
        let slice = grid.findBox(boundingBox: BoundingBoxWGS84(latitude: 10.4..<10.6, longitude: 10.7..<10.9)) as! RegularGridSlice
        XCTAssertEqual(slice.yRange, 4..<6)
        XCTAssertEqual(slice.xRange, 7..<9)
        XCTAssertEqual(slice.map{$0}, [47, 48, 57, 58])
    }
    
    func testGaussianGridSlice() {
        let grid = GaussianGrid(type: .o1280)
        let sub = grid.findBox(boundingBox: BoundingBoxWGS84(latitude: 45.0..<45.2, longitude: 8..<8.5))!
        XCTAssertEqual(sub.map{$0}, [823061, 823062, 823063, 823064, 825629, 825630, 825631, 825632])
        
        let sub2 = grid.findBox(boundingBox: BoundingBoxWGS84(latitude: 45.0..<45.2, longitude: 8.5..<9))!
        XCTAssertEqual(sub2.map{$0}, [823065, 823066, 823067, 825633, 825634, 825635])
        
        let sub3 = grid.findBox(boundingBox: BoundingBoxWGS84(latitude: 45.0..<45.2, longitude: 9..<9.5))!
        XCTAssertEqual(sub3.map{$0}, [823068, 823069, 823070, 823071, 825636, 825637, 825638, 825639])
    }
}