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| 1 | +package soarca |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "encoding/json" |
| 6 | + "net/http" |
| 7 | + "net/http/httptest" |
| 8 | + "reflect" |
| 9 | + "strings" |
| 10 | + "testing" |
| 11 | + "time" |
| 12 | + |
| 13 | + "github.com/stretchr/testify/assert" |
| 14 | +) |
| 15 | + |
| 16 | +type TestData struct { |
| 17 | + Name string `json:"name"` |
| 18 | + Value int `json:"value"` |
| 19 | +} |
| 20 | + |
| 21 | +func TestFetchToJsonSuccessful(t *testing.T) { |
| 22 | + server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 23 | + w.Header().Set("Content-Type", "application/json") |
| 24 | + w.WriteHeader(http.StatusOK) |
| 25 | + err := json.NewEncoder(w).Encode(TestData{Name: "test", Value: 123}) |
| 26 | + if err != nil { |
| 27 | + t.Fatalf("could not encode json: %v", err) |
| 28 | + } |
| 29 | + })) |
| 30 | + defer server.Close() |
| 31 | + |
| 32 | + client := &http.Client{Timeout: 1 * time.Second} |
| 33 | + var result TestData |
| 34 | + err := fetchToJson(client, server.URL, &result) |
| 35 | + if err != nil { |
| 36 | + t.Fatalf("unexpected error: %v", err) |
| 37 | + } |
| 38 | + expected := TestData{Name: "test", Value: 123} |
| 39 | + if !reflect.DeepEqual(result, expected) { |
| 40 | + t.Errorf("expected data %+v, got %+v", expected, result) |
| 41 | + } |
| 42 | +} |
| 43 | + |
| 44 | +func TestFetchToJsonNon200StatusCode(t *testing.T) { |
| 45 | + server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 46 | + w.WriteHeader(http.StatusNotFound) |
| 47 | + })) |
| 48 | + defer server.Close() |
| 49 | + |
| 50 | + client := &http.Client{Timeout: 1 * time.Second} |
| 51 | + var result TestData |
| 52 | + err := fetchToJson(client, server.URL, &result) |
| 53 | + |
| 54 | + expectedErrMsg := "fetch failed: unexpected status code: 404" |
| 55 | + if err == nil { |
| 56 | + t.Fatalf("expected error containing %q, got nil", expectedErrMsg) |
| 57 | + } |
| 58 | + if !strings.Contains(err.Error(), expectedErrMsg) { |
| 59 | + t.Errorf("expected error containing %q, got %q", expectedErrMsg, err.Error()) |
| 60 | + } |
| 61 | +} |
| 62 | + |
| 63 | +func TestFetchToJsonInvalidJSON(t *testing.T) { |
| 64 | + server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 65 | + w.Header().Set("Content-Type", "application/json") |
| 66 | + w.WriteHeader(http.StatusOK) |
| 67 | + _, err := w.Write([]byte("Success")) |
| 68 | + if err != nil { |
| 69 | + t.Fatalf("Failed to write response: %v", err) |
| 70 | + } |
| 71 | + })) |
| 72 | + defer server.Close() |
| 73 | + |
| 74 | + client := &http.Client{Timeout: 1 * time.Second} |
| 75 | + var result TestData |
| 76 | + err := fetchToJson(client, server.URL, &result) |
| 77 | + |
| 78 | + expectedErrMsg := "failed to unmarshal JSON object" |
| 79 | + if err == nil { |
| 80 | + t.Fatalf("expected error containing %q, got nil", expectedErrMsg) |
| 81 | + } |
| 82 | + if !strings.Contains(err.Error(), expectedErrMsg) { |
| 83 | + t.Errorf("expected error containing %q, got %q", expectedErrMsg, err.Error()) |
| 84 | + } |
| 85 | +} |
| 86 | + |
| 87 | +func TestFetchToJsonEmptyResponseBody(t *testing.T) { |
| 88 | + server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 89 | + w.WriteHeader(http.StatusOK) |
| 90 | + })) |
| 91 | + defer server.Close() |
| 92 | + |
| 93 | + client := &http.Client{Timeout: 1 * time.Second} |
| 94 | + var result TestData |
| 95 | + err := fetchToJson(client, server.URL, &result) |
| 96 | + |
| 97 | + expectedErrMsg := "fetch failed: empty response body" |
| 98 | + if err == nil { |
| 99 | + t.Fatalf("expected error containing %q, got nil", expectedErrMsg) |
| 100 | + } |
| 101 | + if !strings.Contains(err.Error(), expectedErrMsg) { |
| 102 | + t.Errorf("expected error containing %q, got %q", expectedErrMsg, err.Error()) |
| 103 | + } |
| 104 | +} |
| 105 | + |
| 106 | +func TestFetchToJsonInvalidURL(t *testing.T) { |
| 107 | + client := &http.Client{} |
| 108 | + var result TestData |
| 109 | + err := fetchToJson(client, "invalid-url", &result) |
| 110 | + if err == nil { |
| 111 | + t.Fatal("expected error for invalid URL, got nil") |
| 112 | + } |
| 113 | + if !strings.Contains(err.Error(), "fetch failed") { |
| 114 | + t.Errorf("expected error to contain 'fetch failed', got %q", err.Error()) |
| 115 | + } |
| 116 | +} |
| 117 | + |
| 118 | +func TestFetchSuccessful(t *testing.T) { |
| 119 | + checkBody := "Success" |
| 120 | + server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 121 | + w.WriteHeader(http.StatusOK) |
| 122 | + _, err := w.Write([]byte(checkBody)) |
| 123 | + if err != nil { |
| 124 | + t.Fatalf("Failed to write response: %v", err) |
| 125 | + } |
| 126 | + })) |
| 127 | + defer server.Close() |
| 128 | + |
| 129 | + client := server.Client() |
| 130 | + ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond) |
| 131 | + defer cancel() |
| 132 | + |
| 133 | + body, err := fetch(ctx, client, server.URL) |
| 134 | + |
| 135 | + assert.Nil(t, err, "expected no error, got %v", err) |
| 136 | + assert.Equal(t, checkBody, string(body), "expected body to be 'Success', got %v", string(body)) |
| 137 | +} |
| 138 | + |
| 139 | +func TestFetchEmptyResponseBody(t *testing.T) { |
| 140 | + expectedErrMsg := "empty response body" |
| 141 | + |
| 142 | + server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 143 | + w.WriteHeader(http.StatusOK) |
| 144 | + })) |
| 145 | + defer server.Close() |
| 146 | + |
| 147 | + client := server.Client() |
| 148 | + ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond) |
| 149 | + defer cancel() |
| 150 | + |
| 151 | + body, err := fetch(ctx, client, server.URL) |
| 152 | + |
| 153 | + assert.NotNil(t, err, "expected an error, got nil") |
| 154 | + assert.Contains(t, err.Error(), expectedErrMsg, "expected error message to contain %q, got %q", expectedErrMsg, err.Error()) |
| 155 | + assert.Empty(t, body, "expected body to be empty, got %v", string(body)) |
| 156 | +} |
| 157 | + |
| 158 | +func TestFetchContextTimeout(t *testing.T) { |
| 159 | + expectedErrMsg := "context deadline exceeded" |
| 160 | + |
| 161 | + server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 162 | + time.Sleep(200 * time.Millisecond) |
| 163 | + w.WriteHeader(http.StatusOK) |
| 164 | + _, err := w.Write([]byte("Too late")) |
| 165 | + if err != nil { |
| 166 | + t.Fatalf("Failed to write response: %v", err) |
| 167 | + } |
| 168 | + })) |
| 169 | + defer server.Close() |
| 170 | + |
| 171 | + client := server.Client() |
| 172 | + ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond) |
| 173 | + defer cancel() |
| 174 | + |
| 175 | + body, err := fetch(ctx, client, server.URL) |
| 176 | + |
| 177 | + assert.NotNil(t, err, "expected an error, got nil") |
| 178 | + assert.Contains(t, err.Error(), expectedErrMsg, "expected error message to contain %q, got %q", expectedErrMsg, err.Error()) |
| 179 | + assert.Empty(t, body, "expected body to be empty, got %v", string(body)) |
| 180 | +} |
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