initial

1 files changed, 95 insertions, 0 deletions

diff --git a/internal/source/source_test.go b/internal/source/source_test.go
new file mode 100644
index 0000000..933c67a
--- /dev/null
+++ b/internal/source/source_test.go
@@ -0,0 +1,95 @@
+package source
+
+import (
+	"bytes"
+	"io"
+	"testing"
+
+	"tsne.dev/hopper/internal/log"
+)
+
+func TestCleanArchivePath(t *testing.T) {
+	tests := []struct {
+		raw     string
+		want    string
+		wantErr bool
+		warn    bool
+	}{
+		{"a/b.js", "a/b.js", false, false},
+		{"./a//b.js", "a/b.js", false, false},
+		{"/abs/x", "", true, false},
+		{"../escape", "", true, false},
+		{"a/../../escape", "", true, false},
+		{"a/../b.js", "b.js", false, true}, // contained .. but stays in root
+	}
+	for _, tt := range tests {
+		var warn bytes.Buffer
+		log.Init(io.Discard, &warn)
+		got, err := cleanArchivePath(tt.raw)
+		if tt.wantErr {
+			if err == nil {
+				t.Errorf("%q: expected error", tt.raw)
+			}
+			continue
+		}
+		if err != nil {
+			t.Errorf("%q: unexpected error %v", tt.raw, err)
+			continue
+		}
+		if got != tt.want {
+			t.Errorf("%q: got %q want %q", tt.raw, got, tt.want)
+		}
+		if tt.warn && warn.Len() == 0 {
+			t.Errorf("%q: expected warning", tt.raw)
+		}
+		if !tt.warn && warn.Len() != 0 {
+			t.Errorf("%q: unexpected warning %q", tt.raw, warn.String())
+		}
+	}
+}
+
+func TestSelectPath(t *testing.T) {
+	tests := []struct {
+		cleaned string
+		root    string
+		want    string
+		wantOK  bool
+	}{
+		{"assets/x.js", "", "assets/x.js", true},
+		{"README.md", "", "README.md", true},
+		{"app/assets/x.js", "app", "assets/x.js", true},
+		{"README.md", "app", "", false},
+		{"app", "app", "", false},
+		{"appendix/x", "app", "", false},
+		{"dist/public/index.html", "dist/public", "index.html", true},
+		{"dist/private/x", "dist/public", "", false},
+	}
+	for _, tt := range tests {
+		s := &TarGzSource{root: tt.root}
+		got, ok := s.selectPath(tt.cleaned)
+		if ok != tt.wantOK {
+			t.Errorf("selectPath(%q, %q): ok = %v, want %v", tt.cleaned, tt.root, ok, tt.wantOK)
+			continue
+		}
+		if ok && got != tt.want {
+			t.Errorf("selectPath(%q, %q) = %q, want %q", tt.cleaned, tt.root, got, tt.want)
+		}
+	}
+}
+
+func TestContainsDotDot(t *testing.T) {
+	cases := map[string]bool{
+		"a/b/c":   false,
+		"..":      true,
+		"../x":    true,
+		"a/../b":  true,
+		"a/..b/c": false,
+		"":        false,
+		"a/b/..":  true,
+	}
+	for in, want := range cases {
+		if got := containsDotDot(in); got != want {
+			t.Errorf("containsDotDot(%q) = %v, want %v", in, got, want)
+		}
+	}
+}