Test cases for ignore #include

scanner/testdata/.stignore

@@ -1,2 +1,6 @@
-.*
-quux
+#include excludes
+#include nonexistent-file
+
+bfile
+dir1/cfile
+

scanner/testdata/afile

@@ -0,0 +1 @@
+foo

scanner/testdata/bar

@@ -1 +0,0 @@
-foobarbaz

scanner/testdata/baz/quux

@@ -1 +0,0 @@
-baazquux

scanner/testdata/bfile

@@ -0,0 +1 @@
+bar

scanner/testdata/dir1/cfile

@@ -0,0 +1 @@
+baz

scanner/testdata/dir1/dfile

@@ -0,0 +1 @@
+quux

scanner/testdata/dir2/cfile

@@ -0,0 +1 @@
+baz

scanner/testdata/dir2/dfile

@@ -0,0 +1 @@
+quux

scanner/testdata/dir3/cfile

@@ -0,0 +1 @@
+baz

scanner/testdata/dir3/dfile

@@ -0,0 +1 @@
+quux

scanner/testdata/excludes

@@ -0,0 +1,4 @@
+dir2/dfile
+#include excludes
+#include further-excludes
+#include loop-excludes

scanner/testdata/foo

@@ -1 +0,0 @@
-foobar

scanner/testdata/further-excludes

@@ -0,0 +1 @@
+dir3

scanner/testdata/loop-excludes

@@ -0,0 +1 @@
+#include excludes

scanner/walk_test.go

@@ -8,22 +8,30 @@ import (
 	"bytes"
 	"fmt"
 	"path/filepath"
+	"reflect"
 	"sort"
 	"testing"
-	"time"
 
 	"github.com/syncthing/syncthing/protocol"
 )
 
-var testdata = []struct {
+type testfile struct {
 	name string
 	size int
 	hash string
-}{
-	{"bar", 10, "2f72cc11a6fcd0271ecef8c61056ee1eb1243be3805bf9a9df98f92f7636b05c"},
-	{"baz", 0, ""},
-	{"empty", 0, "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"},
-	{"foo", 7, "aec070645fe53ee3b3763059376134f058cc337247c978add178b6ccdfb0019f"},
+}
+
+type testfileList []testfile
+
+var testdata = testfileList{
+	{"afile", 4, "b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c"},
+	{"dir1", 128, ""},
+	{"dir1/dfile", 5, "49ae93732fcf8d63fe1cce759664982dbd5b23161f007dba8561862adc96d063"},
+	{"dir2", 128, ""},
+	{"dir2/cfile", 4, "bf07a7fbb825fc0aae7bf4a1177b2b31fcf8a3feeaf7092761e18c859ee52a9c"},
+	{"excludes", 78, "1f5ac95d9e6fb2516629a029d788d27953c7bb2f4dc09184b660fdda0c8f2f04"},
+	{"further-excludes", 5, "7eb0a548094fa6295f7fd9200d69973e5f5ec5c04f2a86d998080ac43ecf89f1"},
+	{"loop-excludes", 18, "2db057aa82a8b8fe4b1367ccc875259ed4b8020255820d4e3d4bfe78f0dd3f2a"},
 }
 
 var correctIgnores = map[string][]string{
@@ -33,7 +41,7 @@ var correctIgnores = map[string][]string{
 func TestWalkSub(t *testing.T) {
 	w := Walker{
 		Dir:        "testdata",
-		Sub:        "foo",
+		Sub:        "dir2",
 		BlockSize:  128 * 1024,
 		IgnoreFile: ".stignore",
 	}
@@ -46,11 +54,17 @@ func TestWalkSub(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	if len(files) != 1 {
-		t.Fatalf("Incorrect length %d != 1", len(files))
+	// The directory contains two files, where one is ignored from a higher
+	// level. We should see only the directory and one of the files.
+
+	if len(files) != 2 {
+		t.Fatalf("Incorrect length %d != 2", len(files))
 	}
-	if files[0].Name != "foo" {
-		t.Errorf("Incorrect file %v != foo", files[0])
+	if files[0].Name != "dir2" {
+		t.Errorf("Incorrect file %v != dir2", files[0])
+	}
+	if files[1].Name != "dir2/cfile" {
+		t.Errorf("Incorrect file %v != dir2/cfile", files[1])
 	}
 }
 
@@ -60,39 +74,21 @@ func TestWalk(t *testing.T) {
 		BlockSize:  128 * 1024,
 		IgnoreFile: ".stignore",
 	}
-	fchan, err := w.Walk()
-	var files []protocol.FileInfo
-	for f := range fchan {
-		files = append(files, f)
-	}
-	sort.Sort(fileList(files))
 
+	fchan, err := w.Walk()
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	if l1, l2 := len(files), len(testdata); l1 != l2 {
-		t.Log(files)
-		t.Log(testdata)
-		t.Fatalf("Incorrect number of walked files %d != %d", l1, l2)
+	var tmp []protocol.FileInfo
+	for f := range fchan {
+		tmp = append(tmp, f)
 	}
+	sort.Sort(fileList(tmp))
+	files := fileList(tmp).testfiles()
 
-	for i := range testdata {
-		if n1, n2 := testdata[i].name, files[i].Name; n1 != n2 {
-			t.Errorf("Incorrect file name %q != %q for case #%d", n1, n2, i)
-		}
-
-		if testdata[i].hash != "" {
-			if h1, h2 := fmt.Sprintf("%x", files[i].Blocks[0].Hash), testdata[i].hash; h1 != h2 {
-				t.Errorf("Incorrect hash %q != %q for case #%d", h1, h2, i)
-			}
-		}
-
-		t0 := time.Date(2010, 1, 1, 0, 0, 0, 0, time.UTC).Unix()
-		t1 := time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC).Unix()
-		if mt := files[i].Modified; mt < t0 || mt > t1 {
-			t.Errorf("Unrealistic modtime %d for test %d", mt, i)
-		}
+	if !reflect.DeepEqual(files, testdata) {
+		t.Errorf("Walk returned unexpected data\nExpected: %v\nActual: %v", testdata, files)
 	}
 }
 
@@ -194,3 +190,27 @@ func (f fileList) Less(a, b int) bool {
 func (f fileList) Swap(a, b int) {
 	f[a], f[b] = f[b], f[a]
 }
+
+func (l fileList) testfiles() testfileList {
+	testfiles := make(testfileList, len(l))
+	for i, f := range l {
+		if len(f.Blocks) > 1 {
+			panic("simple test case stuff only supports a single block per file")
+		}
+		testfiles[i] = testfile{name: f.Name, size: int(f.Size())}
+		if len(f.Blocks) == 1 {
+			testfiles[i].hash = fmt.Sprintf("%x", f.Blocks[0].Hash)
+		}
+	}
+	return testfiles
+}
+
+func (l testfileList) String() string {
+	var b bytes.Buffer
+	b.WriteString("{\n")
+	for _, f := range l {
+		fmt.Fprintf(&b, "  %s (%d bytes): %s\n", f.name, f.size, f.hash)
+	}
+	b.WriteString("}")
+	return b.String()
+}