Fix absolute path resolution

8 years ago · cd9d305cdd
3 changed files with 41 additions and 17 deletions
--- a/examples/html.feature
+++ b/examples/html.feature
@ -76,3 +76,22 @@ Feature: HTML
    """
    When I run `liche foo.html`
    Then the exit status should be 1
+
+  Scenario: Set document root to a sub directory
+    Given a directory named "sub"
+    And a file named "sub/foo.html" with:
+    """
+    <!DOCTYPE html>
+    <html>
+    <head>
+      <title>My title</title>
+    </head>
+    <body>
+      <div>
+        <a href="/foo.html">Google</a>
+      </div>
+    </body>
+    </html>
+    """
+    When I successfully run `liche --document-root sub sub/foo.html`
+    Then the stderr should contain exactly ""
--- a/url_checker.go
+++ b/url_checker.go
@ -5,7 +5,6 @@ import (
 	"net/url"
 	"os"
 	"path"
-	"strings"
 	"sync"
 	"time"

@ -23,7 +22,7 @@ func newURLChecker(t time.Duration, d string, s semaphore) urlChecker {
 }

 func (c urlChecker) Check(u string, f string) error {
-	u, err := c.resolveURL(u)
+	u, err := c.resolveURL(u, f)

 	if err != nil {
 		return err
@ -36,7 +35,8 @@ func (c urlChecker) Check(u string, f string) error {
 	}

 	if uu.Scheme == "" {
-		return checkRelativePath(u, f)
+		_, err := os.Stat(uu.Path)
+		return err
 	}

 	c.semaphore.Request()
@ -67,19 +67,24 @@ func (c urlChecker) CheckMany(us []string, f string, rc chan<- urlResult) {
 	close(rc)
 }

-func (c urlChecker) resolveURL(u string) (string, error) {
-	abs := strings.HasPrefix(u, "/")
+func (c urlChecker) resolveURL(u string, f string) (string, error) {
+	uu, err := url.Parse(u)

-	if abs && c.documentRoot != "" {
-		return path.Join(c.documentRoot, u), nil
-	} else if abs {
-		return "", errors.New("document root directory is not specified")
+	if err != nil {
+		return "", err
 	}

+	if uu.Scheme != "" {
 		return u, nil
-}
+	}

-func checkRelativePath(p string, f string) error {
-	_, err := os.Stat(path.Join(path.Dir(f), p))
-	return err
+	if !path.IsAbs(uu.Path) {
+		return path.Join(path.Dir(f), uu.Path), nil
+	}
+
+	if c.documentRoot == "" {
+		return "", errors.New("document root directory is not specified")
+	}
+
+	return path.Join(c.documentRoot, uu.Path), nil
 }
--- a/url_checker_test.go
+++ b/url_checker_test.go
@ -51,7 +51,7 @@ func TestURLCheckerResolveURL(t *testing.T) {
 		{"foo", "foo"},
 		{"https://google.com", "https://google.com"},
 	} {
-		u, err := f.resolveURL(c.source)
+		u, err := f.resolveURL(c.source, "foo.md")

 		assert.Equal(t, nil, err)
 		assert.Equal(t, c.target, u)
@ -61,7 +61,7 @@ func TestURLCheckerResolveURL(t *testing.T) {
 func TestURLCheckerResolveURLWithAbsolutePath(t *testing.T) {
 	f := newURLChecker(0, "", newSemaphore(1024))

-	u, err := f.resolveURL("/foo")
+	u, err := f.resolveURL("/foo", "foo.md")

 	assert.NotEqual(t, nil, err)
 	assert.Equal(t, "", u)
@ -75,7 +75,7 @@ func TestURLCheckerResolveURLWithDocumentRoot(t *testing.T) {
 		{"https://google.com", "https://google.com"},
 		{"/foo", "foo/foo"},
 	} {
-		u, err := f.resolveURL(c.source)
+		u, err := f.resolveURL(c.source, "foo.md")

 		assert.Equal(t, nil, err)
 		assert.Equal(t, c.target, u)