1 files changed, 226 insertions, 0 deletions
diff --git a/utils/filesystem_test.go b/utils/filesystem_test.go
new file mode 100644
index 0000000..70e1291
--- /dev/null
+++ b/utils/filesystem_test.go
@@ -0,0 +1,226 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+
+package utils
+
+import (
+	"testing"
+)
+
+// ===== Filesystem and hash functionality tests =====
+func TestFilesystemCanGetSliceOfFolderContents(t *testing.T) {
+	dirRoot := "../testdata/project1/"
+
+	filePaths, err := GetAllFilePaths(dirRoot, nil)
+	if err != nil {
+		t.Fatalf("expected filePaths, got error: %v", err)
+	}
+	if filePaths == nil {
+		t.Fatalf("expected non-nil filePaths, got nil")
+	}
+	// should only be 5 files
+	// symbolic link in project1/symbolic-link should be ignored
+	if len(filePaths) != 5 {
+		t.Fatalf("expected %v, got %v", 5, len(filePaths))
+	}
+
+	// should be in alphabetical order, with files prefixed with '/'
+	if filePaths[0] != "/emptyfile.testdata.txt" {
+		t.Errorf("expected %v, got %v", "/emptyfile.testdata.txt", filePaths[0])
+	}
+	if filePaths[1] != "/file1.testdata.txt" {
+		t.Errorf("expected %v, got %v", "/file1.testdata.txt", filePaths[1])
+	}
+	if filePaths[2] != "/file3.testdata.txt" {
+		t.Errorf("expected %v, got %v", "/file3.testdata.txt", filePaths[2])
+	}
+	if filePaths[3] != "/folder1/file4.testdata.txt" {
+		t.Errorf("expected %v, got %v", "/folder1/file4.testdata.txt", filePaths[3])
+	}
+	if filePaths[4] != "/lastfile.testdata.txt" {
+		t.Errorf("expected %v, got %v", "/lastfile.testdata.txt", filePaths[4])
+	}
+}
+
+func TestFilesystemGetAllFilePathsFailsForNonExistentDirectory(t *testing.T) {
+	dirRoot := "./does/not/exist/"
+
+	_, err := GetAllFilePaths(dirRoot, nil)
+	if err == nil {
+		t.Errorf("expected non-nil error, got nil")
+	}
+}
+
+func TestFilesystemCanIgnoreFilesWhenGettingFilePaths(t *testing.T) {
+	dirRoot := "../testdata/project3/"
+	pathsIgnored := []string{
+		"**/ignoredir/",
+		"/excludedir/",
+		"**/ignorefile.txt",
+		"/alsoEXCLUDEthis.txt",
+	}
+
+	filePaths, err := GetAllFilePaths(dirRoot, pathsIgnored)
+	if err != nil {
+		t.Fatalf("expected filePaths, got error: %v", err)
+	}
+	if filePaths == nil {
+		t.Fatalf("expected non-nil filePaths, got nil")
+	}
+
+	// should only be 5 files
+	if len(filePaths) != 5 {
+		t.Fatalf("expected %v, got %v", 5, len(filePaths))
+	}
+
+	// should be in alphabetical order, with files prefixed with '/'
+	if filePaths[0] != "/dontscan.txt" {
+		t.Errorf("expected %v, got %v", "/dontscan.txt", filePaths[0])
+	}
+	if filePaths[1] != "/keep/keep.txt" {
+		t.Errorf("expected %v, got %v", "/keep/keep.txt", filePaths[1])
+	}
+	if filePaths[2] != "/keep.txt" {
+		t.Errorf("expected %v, got %v", "/keep.txt", filePaths[2])
+	}
+	if filePaths[3] != "/subdir/keep/dontscan.txt" {
+		t.Errorf("expected %v, got %v", "/subdir/keep/dontscan.txt", filePaths[3])
+	}
+	if filePaths[4] != "/subdir/keep/keep.txt" {
+		t.Errorf("expected %v, got %v", "/subdir/keep/keep.txt", filePaths[4])
+	}
+
+}
+
+// FIXME add test to make sure we get an error for a directory without
+// FIXME appropriate permissions to read its (sub)contents
+
+func TestFilesystemGetsHashesForFilePath(t *testing.T) {
+	f := "../testdata/project1/file1.testdata.txt"
+
+	ssha1, ssha256, smd5, err := GetHashesForFilePath(f)
+	if err != nil {
+		t.Fatalf("expected nil error, got %v", err)
+	}
+	if ssha1 != "024f870eb6323f532515f7a09d5646a97083b819" {
+		t.Errorf("expected %v, got %v", "024f870eb6323f532515f7a09d5646a97083b819", ssha1)
+	}
+	if ssha256 != "b14e44284ca477b4c0db34b15ca4c454b2947cce7883e22321cf2984050e15bf" {
+		t.Errorf("expected %v, got %v", "b14e44284ca477b4c0db34b15ca4c454b2947cce7883e22321cf2984050e15bf", ssha256)
+	}
+	if smd5 != "37c8208479dfe42d2bb29debd6e32d4a" {
+		t.Errorf("expected %v, got %v", "37c8208479dfe42d2bb29debd6e32d4a", smd5)
+	}
+}
+
+func TestFilesystemGetsErrorWhenRequestingHashesForInvalidFilePath(t *testing.T) {
+	f := "./does/not/exist"
+
+	_, _, _, err := GetHashesForFilePath(f)
+	if err == nil {
+		t.Errorf("expected non-nil error, got nil")
+	}
+}
+
+// FIXME add test to make sure we get an error for hashes for a file without
+// FIXME appropriate permissions to read its contents
+
+func TestFilesystemExcludesForIgnoredPaths(t *testing.T) {
+	// one specific file
+	pathsIgnored := []string{"/file.txt"}
+	fileName := "/file.txt"
+	if !ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+	fileName = "/fileNope.txt"
+	if ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+
+	// two specific files
+	pathsIgnored = []string{"/file.txt", "/file2.txt"}
+	fileName = "/file.txt"
+	if !ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+	fileName = "/fileNope.txt"
+	if ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+	fileName = "/file2.txt"
+	if !ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+
+	// one specific file in specific subdirectory
+	pathsIgnored = []string{"/subdir/file.txt"}
+	fileName = "/subdir/file.txt"
+	if !ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+	fileName = "/file.txt"
+	if ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+	fileName = "/something/subdir/file.txt"
+	if ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+
+	// one specific file in any directory
+	pathsIgnored = []string{"**/file.txt"}
+	fileName = "/subdir/file.txt"
+	if !ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+	fileName = "/file.txt"
+	if !ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+	fileName = "/something/subdir/file.txt"
+	if !ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+	fileName = "/something/fileNope.txt"
+	if ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+
+	// all files in one specific subdirectory (and its subdirectories)
+	pathsIgnored = []string{"/subdir/"}
+	fileName = "/subdir/file.txt"
+	if !ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+	fileName = "/file.txt"
+	if ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+	fileName = "/subdir/sub2/file.txt"
+	if !ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+	fileName = "/nope/subdir/file.txt"
+	if ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+
+	// all files in subdirectory with this name, wherever it appears
+	pathsIgnored = []string{"**/subdir/"}
+	fileName = "/subdir/file.txt"
+	if !ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+	fileName = "/file.txt"
+	if ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+	fileName = "/subdir/sub2/file.txt"
+	if !ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+	fileName = "/nope/subdir/file.txt"
+	if !ShouldIgnore(fileName, pathsIgnored) {
+		t.Errorf("incorrect for %v, ignoring %v", fileName, pathsIgnored)
+	}
+
+}