created test MetricsRepositoriesServiceTest.java

Author: sergeycherkasovv

src/test/java/telegram/bot/services/basicStatisticService/MetricsRepositoriesServiceTest.java

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+package telegram.bot.services.basicStatisticService;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import telegram.bot.util.FileReaderForTest;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class MetricsRepositoriesServiceTest {
+    private MetricsRepositoriesService service;
+    private String directory;
+
+    @BeforeEach
+    void setUp() {
+        service = new MetricsRepositoriesService();
+        directory = "src/test/resources/fixtures/metricsRepositories/";
+    }
+
+    @Test
+    void create() throws Exception {
+        var file = FileReaderForTest.readJsonNodeFromFile(directory + "create.json");
+        var metrics = service.create(file);
+
+        assertEquals(25, metrics.getPublicRepos());
+        assertEquals(15, metrics.getForkCount());
+        assertEquals(5, metrics.getStargazerCount());
+        assertEquals(1, metrics.getStarredRepoCount());
+    }
+
+    @Test
+    void createZeroCount() throws Exception {
+        var file = FileReaderForTest.readJsonNodeFromFile(directory + "zeroCounts.json");
+        var metrics = service.create(file);
+
+        assertEquals(0, metrics.getPublicRepos());
+        assertEquals(0, metrics.getForkCount());
+        assertEquals(0, metrics.getStargazerCount());
+        assertEquals(0, metrics.getStarredRepoCount());
+    }
+}

src/test/resources/fixtures/metricsRepositories/create.json

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+{
+  "totalRepositories": {
+    "totalCount": 25,
+    "nodes": [
+      {
+        "forkCount": 10,
+        "stargazerCount": 3
+      },
+      {
+        "forkCount": 5,
+        "stargazerCount": 2
+      }
+    ]
+  },
+  "starredRepositories": {
+    "totalCount": 1
+  }
+}

src/test/resources/fixtures/metricsRepositories/zeroCounts.json

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+{
+
+}