init

2025-04-14 20:29:02 +03:00
commit f00624b0b6
6 changed files with 409 additions and 0 deletions
--- a/parser_test.go
+++ b/parser_test.go
@@ -0,0 +1,142 @@
+package main
+
+import (
+	url2 "net/url"
+	"reflect"
+	"sort"
+	"testing"
+)
+
+func TestNormalizeURL(t *testing.T) {
+	tests := []struct {
+		name     string
+		inputURL string
+		expected string
+	}{
+		{
+			name:     "remove scheme",
+			inputURL: "https://blog.boot.dev/path",
+			expected: "blog.boot.dev/path",
+		},
+		{
+			name:     "lowercase domain",
+			inputURL: "https://blog.bOOt.dev/path",
+			expected: "blog.boot.dev/path",
+		},
+		{
+			name:     "remove empty query",
+			inputURL: "https://blog.bOOt.dev/path?",
+			expected: "blog.boot.dev/path",
+		},
+		{
+			name:     "remove railing slash",
+			inputURL: "https://blog.bOOt.dev/path/",
+			expected: "blog.boot.dev/path",
+		},
+	}
+
+	for i, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			actual, err := normalizeURL(tc.inputURL)
+			if err != nil {
+				t.Errorf("Test %v - '%s' FAIL: unexpected error: %v", i, tc.name, err)
+				return
+			}
+			if actual != tc.expected {
+				t.Errorf("Test %v - %s FAIL: expected URL: %v, actual: %v", i, tc.name, tc.expected, actual)
+			}
+		})
+	}
+}
+
+func TestGetURLsFromHTML(t *testing.T) {
+	tests := []struct {
+		name      string
+		inputURL  string
+		inputBody string
+		expected  []string
+	}{
+		{
+			name:     "absolute and relative URLs",
+			inputURL: "https://blog.boot.dev",
+			inputBody: `
+<html>
+	<body>
+		<a href="/path/one">
+			<span>Boot.dev</span>
+		</a>
+		<a href="https://other.com/path/one">
+			<span>Boot.dev</span>
+		</a>
+	</body>
+</html>
+`,
+			expected: []string{"https://blog.boot.dev/path/one", "https://other.com/path/one"},
+		},
+		{
+			name:     "absolute and relative URLs",
+			inputURL: "https://blog.boot.dev",
+			inputBody: `
+<html>
+	<body>
+		<strong><a href="/path/one">
+			<span>Boot.dev</span>
+		</a></strong>
+		<a href="https://other.com/path/one">
+			<span>Boot.dev</span>
+		</a>
+	</body>
+</html>
+`,
+			expected: []string{"https://blog.boot.dev/path/one", "https://other.com/path/one"},
+		},
+		{
+			name:     "absolute and relative URLs",
+			inputURL: "https://blog.boot.dev",
+			inputBody: `
+<html>
+	<body>
+		<a href="https://blog.boot.dev/path/one/">
+			<span>Boot.dev</span>
+		</a>
+		<a href="https://other.com/path/one">
+			<span>Boot.dev</span>
+		</a>
+	</body>
+</html>
+`,
+			expected: []string{"https://blog.boot.dev/path/one/", "https://other.com/path/one"},
+		},
+	}
+
+	for i, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			parsed, err := url2.Parse(tc.inputURL)
+			if err != nil {
+				t.Errorf("Test %v - '%s' FAIL: unexpected error: %v", i, tc.name, err)
+				return
+			}
+			actual, err := getURLsFromHTML(tc.inputBody, parsed)
+			if err != nil {
+				t.Errorf("Test %v - '%s' FAIL: unexpected error: %v", i, tc.name, err)
+				return
+			}
+
+			if len(actual) != len(tc.expected) {
+				t.Errorf("Test %v - %s FAIL: expected URL: %v, actual: %v", i, tc.name, tc.expected, actual)
+				return
+			}
+			aCopy := make([]string, len(actual))
+			copy(aCopy, actual)
+			bCopy := make([]string, len(tc.expected))
+			copy(bCopy, tc.expected)
+
+			sort.Strings(aCopy)
+			sort.Strings(bCopy)
+
+			if !reflect.DeepEqual(aCopy, bCopy) {
+				t.Errorf("Test %v - %s FAIL: expected URL: %v, actual: %v", i, tc.name, tc.expected, actual)
+			}
+		})
+	}
+}