118 lines
3.4 KiB
Go
118 lines
3.4 KiB
Go
package downloader_test
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import (
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"net/http"
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"net/http/httptest"
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"os"
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"testing"
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"git.ar21.de/yolokube/country-geo-locations/internal/downloader"
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)
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// TestNewContext tests the creation of a new Context.
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func TestNewContext(t *testing.T) {
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filename := "testfile"
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link := "http://example.com"
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ctx := downloader.NewContext(filename, link)
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if ctx.Filename != filename {
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t.Errorf("expected %s, got %s", filename, ctx.Filename)
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}
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if ctx.Link != link {
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t.Errorf("expected %s, got %s", link, ctx.Link)
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}
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}
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// TestDownload tests the Download function with different scenarios.
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func TestDownload(t *testing.T) {
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t.Run("ValidDownload", func(t *testing.T) {
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// Mock server to simulate a valid download
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("This is the file content"))
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}))
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defer server.Close()
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filename := "test_valid_download.txt"
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ctx := downloader.NewContext(filename, server.URL)
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defer os.Remove(filename)
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err := ctx.Download()
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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if !ctx.FileExists() {
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t.Errorf("expected file to exist, but it does not")
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}
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})
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t.Run("InvalidURL", func(t *testing.T) {
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ctx := downloader.NewContext("test_invalid_url.txt", "http://invalid.url")
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err := ctx.Download()
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if err == nil || err.Error() != "invalid url" {
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t.Errorf("expected invalid url error, got %v", err)
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}
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})
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t.Run("CertificateError", func(t *testing.T) {
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// This test assumes a self-signed certificate or similar issue. This is hard to simulate in a unit test.
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ctx := downloader.NewContext("test_cert_error.txt", "https://self-signed.badssl.com/") // Example URL that can be used
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if err := ctx.Download(); err == nil || err.Error() != "certificate from unknown authority" {
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t.Errorf("expected certificate from unknown authority error, got %v", err)
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}
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})
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t.Run("FileNotFound", func(t *testing.T) {
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// Mock server to simulate a 404 response
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusNotFound)
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}))
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defer server.Close()
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ctx := downloader.NewContext("test_not_found.txt", server.URL)
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if err := ctx.Download(); err == nil || err.Error() != "invalid url" {
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t.Errorf("expected invalid url error, got %v", err)
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}
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})
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t.Run("RestrictedAccess", func(t *testing.T) {
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// Mock server to simulate a 401 response
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusUnauthorized)
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}))
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defer server.Close()
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ctx := downloader.NewContext("test_restricted_access.txt", server.URL)
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if err := ctx.Download(); err == nil || err.Error() != "restricted access (credentials required)" {
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t.Errorf("expected restricted access error, got %v", err)
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}
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})
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}
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// TestFileExists tests the FileExists function.
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func TestFileExists(t *testing.T) {
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filename := "testfile_exists.txt"
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ctx := downloader.NewContext(filename, "http://example.com")
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// Ensure file does not exist initially
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if ctx.FileExists() {
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t.Errorf("expected file to not exist, but it does")
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}
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// Create a file and check again
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file, err := os.Create(filename)
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if err != nil {
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t.Fatalf("failed to create test file: %v", err)
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}
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file.Close()
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defer os.Remove(filename)
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if !ctx.FileExists() {
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t.Errorf("expected file to exist, but it does not")
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}
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}
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