feat: city test

src/main/java/eirb/pg203/City.java

@@ -11,6 +11,7 @@ import java.util.Locale;
 import eirb.pg203.utils.JSONFetcher;
 import eirb.pg203.utils.JSONFetcherInterface;
 import org.json.JSONArray;
+import org.json.JSONException;
 import org.json.JSONObject;
 
 import eirb.pg203.utils.Coords;
@@ -22,13 +23,13 @@ import eirb.pg203.utils.Coords;
 public class City {
 	private String cityName;
 	private Coords cityCoords;
-	private static final JSONFetcherInterface JSONFetcher = new JSONFetcher();
+	JSONFetcherInterface JSONFetcher = new JSONFetcher();
 
 	/**
 	 * Fetch data from adresse.data.gouv.fr
 	 * @throws IOException if the request fails
 	 */
-	private static JSONObject getDataFromName(String cityName) throws IOException {
+	private JSONObject getDataFromName(String cityName) throws IOException {
 		StringBuilder result = new StringBuilder();
 		URL url = URI.create(
 			String.format(Locale.ENGLISH, "https://api-adresse.data.gouv.fr/search/?q=%s&autocomplete=0&limit=1",
@@ -39,12 +40,17 @@ public class City {
 		return JSONFetcher.fetch(url);
 	}
 
-	private static Coords getCoordsFromName(String cityName) throws IOException {
+	private Coords getCoordsFromName(String cityName) throws IOException {
 		JSONObject data = getDataFromName(cityName);
-		JSONArray rawCoords = data.getJSONArray("features")
+		JSONArray rawCoords;
+		try {
+			rawCoords = data.getJSONArray("features")
 					.getJSONObject(0)
 					.getJSONObject("geometry")
 					.getJSONArray("coordinates");
+		} catch (JSONException e) {
+			throw new IOException();
+		}
 
 		final float lon = rawCoords.getFloat(0);
 		final float lat = rawCoords.getFloat(1);

src/test/java/eirb/pg203/CityTest.java

@@ -0,0 +1,52 @@
+package eirb.pg203;
+
+import eirb.pg203.fakeJSONFetcher.FakeJSONFetcherCity;
+import eirb.pg203.utils.Coords;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
+
+import java.io.IOException;
+
+public class CityTest {
+    private final static float epsilon = 0.001F;
+    @ParameterizedTest(name = "{0} is located at [lat:{1}, lon:{2}]")
+    @CsvSource({
+            "Paris,48.859F,2.347F,'City(Paris, lat: 48.859001, lon: 2.347000)'",
+            "Bordeaux,44.851895F,-0.587877F,'City(Bordeaux, lat: 44.851894, lon: -0.587877)'"
+    })
+    void testRealCity(String cityName, float expectedLat, float expectedLon, String expectedString) throws IOException {
+        City city = new City(cityName);
+        city.JSONFetcher = new FakeJSONFetcherCity();
+
+        /* Name coherence */
+        Assertions.assertEquals(cityName, city.getCityName());
+        /* Localisation */
+        Coords coords = city.getCityCoords();
+        float lat = coords.getLat();
+        float lon = coords.getLon();
+        System.out.println(city);
+
+        Assertions.assertTrue(Math.abs(lat - expectedLat) < epsilon);
+        Assertions.assertTrue(Math.abs(lon - expectedLon) < epsilon);
+
+        /* String representation */
+        Assertions.assertEquals(expectedString, city.toString());
+    }
+
+    @Test
+    void testFakeCity(){
+        String fakeCity = "farlmjmjfkl";
+        String fakeCityRepresentation = "City("+ fakeCity +", lat: Request failed, lon: Request Failed)";
+        City city = new City(fakeCity);
+
+        /* String representation */
+        Assertions.assertEquals(fakeCityRepresentation, city.toString());
+
+        /* Throw exception */
+        Assertions.assertThrows(IOException.class, city::getCityCoords);
+
+    }
+
+}

src/test/java/eirb/pg203/fakeJSONFetcher/FakeJSONFetcherCity.java

@@ -0,0 +1,40 @@
+package eirb.pg203.fakeJSONFetcher;
+
+import eirb.pg203.utils.FileResourcesUtils;
+import eirb.pg203.utils.JSONFetcher;
+import eirb.pg203.utils.JSONFetcherInterface;
+import eirb.pg203.utils.SplitQueryUrl;
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+
+public class FakeJSONFetcherCity implements JSONFetcherInterface {
+    JSONObject unknownCity = FileResourcesUtils.getFileFromResourceAsJson("City/fakeCity.json");
+
+    private static HashMap<String, JSONObject> cities(){
+        HashMap<String, JSONObject> cities = new HashMap<>();
+        cities.put("bordeaux", FileResourcesUtils.getFileFromResourceAsJson("City/bordeaux.json"));
+        cities.put("paris", FileResourcesUtils.getFileFromResourceAsJson("City/paris.json"));
+        cities.put("unknown", FileResourcesUtils.getFileFromResourceAsJson("City/fakeCity.json"));
+        return cities;
+    }
+
+
+    @Override
+    public JSONObject fetch(URL url) throws IOException {
+        Map<String, String> params = SplitQueryUrl.splitQuery(url);
+
+        String city = params.get("q").toLowerCase(Locale.ENGLISH);
+        return cities().getOrDefault(city, unknownCity);
+    }
+
+    @Override
+    public JSONArray fetchArray(URL url) throws IOException {
+        return null;
+    }
+}

src/test/resources/City/bordeaux.json

@@ -0,0 +1,37 @@
+{
+  "type": "FeatureCollection",
+  "version": "draft",
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          -0.587877,
+          44.851895
+        ]
+      },
+      "properties": {
+        "label": "Bordeaux",
+        "score": 0.9608036363636362,
+        "id": "33063",
+        "banId": "f38fe08f-c87b-4b3f-8f05-1566b8da9c39",
+        "type": "municipality",
+        "name": "Bordeaux",
+        "postcode": "33000",
+        "citycode": "33063",
+        "x": 416627.63,
+        "y": 6423408.37,
+        "population": 261804,
+        "city": "Bordeaux",
+        "context": "33, Gironde, Nouvelle-Aquitaine",
+        "importance": 0.56884,
+        "municipality": "Bordeaux"
+      }
+    }
+  ],
+  "attribution": "BAN",
+  "licence": "ETALAB-2.0",
+  "query": "Bordeaux",
+  "limit": 1
+}

src/test/resources/City/fakeCity.json

@@ -0,0 +1,9 @@
+{
+  "type": "FeatureCollection",
+  "version": "draft",
+  "features": [],
+  "attribution": "BAN",
+  "licence": "ETALAB-2.0",
+  "query": "farmjfakj",
+  "limit": 1
+}

src/test/resources/City/paris.json

@@ -0,0 +1,36 @@
+{
+  "type": "FeatureCollection",
+  "version": "draft",
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          2.347,
+          48.859
+        ]
+      },
+      "properties": {
+        "label": "Paris",
+        "score": 0.9703381818181818,
+        "id": "75056",
+        "type": "municipality",
+        "name": "Paris",
+        "postcode": "75001",
+        "citycode": "75056",
+        "x": 652089.7,
+        "y": 6862305.26,
+        "population": 2133111,
+        "city": "Paris",
+        "context": "75, Paris, Île-de-France",
+        "importance": 0.67372,
+        "municipality": "Paris"
+      }
+    }
+  ],
+  "attribution": "BAN",
+  "licence": "ETALAB-2.0",
+  "query": "Paris",
+  "limit": 1
+}