Added tests

main_test.go

+package main
+
+import (
+    "testing"
+    "net/http"
+    "net/http/httptest"
+    "strings"
+)
+
+func TestReturnRelease(t *testing.T) {
+    req, err := http.NewRequest("GET", "/", nil)
+    if err != nil {
+        t.Fatal(err)
+    }
+    rr := httptest.NewRecorder()
+    handler := http.HandlerFunc(ReturnRelease)
+    handler.ServeHTTP(rr, req)
+    if rr.Code != http.StatusOK {
+        t.Errorf("ReturnRelease returned wrong status code, expected %v, got %v", http.StatusOK, rr.Code)
+    }
+    expectedRelease := "NotSet"
+    if ! strings.Contains(rr.Body.String(), expectedRelease) {
+        t.Errorf("ReturnRelease returned wrong release, expected %v, got %v", expectedRelease, rr.Body.String())
+    }
+}
+
+func TestReturnHealth(t *testing.T) {
+    req, err := http.NewRequest("GET", "/health", nil)
+    if err != nil {
+        t.Fatal(err)
+    }
+    rr := httptest.NewRecorder()
+    handler := http.HandlerFunc(ReturnHealth)
+    handler.ServeHTTP(rr, req)
+    if rr.Code != http.StatusOK {
+        t.Errorf("ReturnHealth returned wrong status code, expected %v, got %v", http.StatusOK, rr.Code)
+    }
+    expectedHealth := "Healthy"
+
+    if ! strings.Contains(rr.Body.String(), expectedHealth) {
+        t.Errorf("ReturnHealth returned wrong health status, expected %v, got %v", expectedHealth, rr.Body.String())
+    }
+}
+
+func TestReverseWord(t *testing.T) {
+    body := strings.NewReader(`{"word": "PALC"}`)
+    req, err := http.NewRequest("POST", "/", body)
+    if err != nil {
+        t.Fatal(err)
+    }
+    rr := httptest.NewRecorder()
+    handler := http.HandlerFunc(ReverseWord)
+    handler.ServeHTTP(rr, req)
+    if rr.Code != http.StatusOK {
+        t.Errorf("ReverseWord returned wrong status code, expected %v, got %v", http.StatusOK, rr.Code)
+    }
+    expectedResponse := `{"reverse_word":"CLAP"}`
+
+    if ! strings.Contains(rr.Body.String(), expectedResponse) {
+        t.Errorf("ReverseWord returned wrong word, expected %v, got %v", expectedResponse, rr.Body.String())
+    }
+}
+
+func TestReverse(t *testing.T) {
+    result := reverse("PALC")
+    if result != "CLAP" {
+        t.Errorf("TestReverse failed, expected %v, got %v", "CLAP", result)
+    }
+}
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