rename scope to source

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

syft/source/directory_resolver_test.go

@@ -0,0 +1,212 @@
+package source
+
+import (
+	"testing"
+
+	"github.com/anchore/stereoscope/pkg/file"
+)
+
+func TestDirectoryResolver_FilesByPath(t *testing.T) {
+	cases := []struct {
+		name     string
+		root     string
+		input    string
+		expected string
+		refCount int
+	}{
+		{
+			name:     "finds a file (relative)",
+			root:     "./test-fixtures/",
+			input:    "test-fixtures/image-symlinks/file-1.txt",
+			expected: "test-fixtures/image-symlinks/file-1.txt",
+			refCount: 1,
+		},
+		{
+			name:     "finds a file with relative indirection",
+			root:     "./test-fixtures/../test-fixtures",
+			input:    "test-fixtures/image-symlinks/file-1.txt",
+			expected: "test-fixtures/image-symlinks/file-1.txt",
+			refCount: 1,
+		},
+		{
+			// note: this is asserting the old behavior is not supported
+			name:     "relative lookup with wrong path fails",
+			root:     "./test-fixtures/",
+			input:    "image-symlinks/file-1.txt",
+			refCount: 0,
+		},
+		{
+			name:     "managed non-existing files (relative)",
+			root:     "./test-fixtures/",
+			input:    "test-fixtures/image-symlinks/bogus.txt",
+			refCount: 0,
+		},
+		{
+			name:     "finds a file (absolute)",
+			root:     "./test-fixtures/",
+			input:    "/image-symlinks/file-1.txt",
+			expected: "test-fixtures/image-symlinks/file-1.txt",
+			refCount: 1,
+		},
+		{
+			name:     "directories ignored",
+			root:     "./test-fixtures/",
+			input:    "/image-symlinks",
+			refCount: 0,
+		},
+	}
+	for _, c := range cases {
+		t.Run(c.name, func(t *testing.T) {
+			resolver := DirectoryResolver{c.root}
+			refs, err := resolver.FilesByPath(file.Path(c.input))
+			if err != nil {
+				t.Fatalf("could not use resolver: %+v, %+v", err, refs)
+			}
+
+			if len(refs) != c.refCount {
+				t.Errorf("unexpected number of refs: %d != %d", len(refs), c.refCount)
+			}
+
+			for _, actual := range refs {
+				if actual.Path != file.Path(c.expected) {
+					t.Errorf("bad resolve path: '%s'!='%s'", actual.Path, c.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestDirectoryResolver_MultipleFilesByPath(t *testing.T) {
+	cases := []struct {
+		name     string
+		input    []file.Path
+		refCount int
+	}{
+		{
+			name:     "finds multiple files",
+			input:    []file.Path{file.Path("test-fixtures/image-symlinks/file-1.txt"), file.Path("test-fixtures/image-symlinks/file-2.txt")},
+			refCount: 2,
+		},
+		{
+			name:     "skips non-existing files",
+			input:    []file.Path{file.Path("test-fixtures/image-symlinks/bogus.txt"), file.Path("test-fixtures/image-symlinks/file-1.txt")},
+			refCount: 1,
+		},
+		{
+			name:     "does not return anything for non-existing directories",
+			input:    []file.Path{file.Path("test-fixtures/non-existing/bogus.txt"), file.Path("test-fixtures/non-existing/file-1.txt")},
+			refCount: 0,
+		},
+	}
+	for _, c := range cases {
+		t.Run(c.name, func(t *testing.T) {
+			resolver := DirectoryResolver{"test-fixtures"}
+
+			refs, err := resolver.FilesByPath(c.input...)
+			if err != nil {
+				t.Fatalf("could not use resolver: %+v, %+v", err, refs)
+			}
+
+			if len(refs) != c.refCount {
+				t.Errorf("unexpected number of refs: %d != %d", len(refs), c.refCount)
+			}
+		})
+	}
+}
+
+func TestDirectoryResolver_MultipleFileContentsByRef(t *testing.T) {
+	cases := []struct {
+		name     string
+		input    []file.Path
+		refCount int
+		contents []string
+	}{
+		{
+			name:     "gets multiple file contents",
+			input:    []file.Path{file.Path("test-fixtures/image-symlinks/file-1.txt"), file.Path("test-fixtures/image-symlinks/file-2.txt")},
+			refCount: 2,
+		},
+		{
+			name:     "skips non-existing files",
+			input:    []file.Path{file.Path("test-fixtures/image-symlinks/bogus.txt"), file.Path("test-fixtures/image-symlinks/file-1.txt")},
+			refCount: 1,
+		},
+		{
+			name:     "does not return anything for non-existing directories",
+			input:    []file.Path{file.Path("test-fixtures/non-existing/bogus.txt"), file.Path("test-fixtures/non-existing/file-1.txt")},
+			refCount: 0,
+		},
+	}
+	for _, c := range cases {
+		t.Run(c.name, func(t *testing.T) {
+			refs := make([]file.Reference, 0)
+			resolver := DirectoryResolver{"test-fixtures"}
+
+			for _, p := range c.input {
+				newRefs, err := resolver.FilesByPath(p)
+				if err != nil {
+					t.Errorf("could not generate refs: %+v", err)
+				}
+				for _, ref := range newRefs {
+					refs = append(refs, ref)
+				}
+			}
+
+			contents, err := resolver.MultipleFileContentsByRef(refs...)
+			if err != nil {
+				t.Fatalf("unable to generate file contents by ref: %+v", err)
+			}
+			if len(contents) != c.refCount {
+				t.Errorf("unexpected number of refs produced: %d != %d", len(contents), c.refCount)
+			}
+
+		})
+	}
+}
+
+func TestDirectoryResolver_FilesByGlobMultiple(t *testing.T) {
+	t.Run("finds multiple matching files", func(t *testing.T) {
+		resolver := DirectoryResolver{"test-fixtures"}
+		refs, err := resolver.FilesByGlob("image-symlinks/file*")
+
+		if err != nil {
+			t.Fatalf("could not use resolver: %+v, %+v", err, refs)
+		}
+
+		if len(refs) != 2 {
+			t.Errorf("unexpected number of refs: %d != 2", len(refs))
+		}
+
+	})
+}
+
+func TestDirectoryResolver_FilesByGlobRecursive(t *testing.T) {
+	t.Run("finds multiple matching files", func(t *testing.T) {
+		resolver := DirectoryResolver{"test-fixtures"}
+		refs, err := resolver.FilesByGlob("**/*.txt")
+
+		if err != nil {
+			t.Fatalf("could not use resolver: %+v, %+v", err, refs)
+		}
+
+		if len(refs) != 4 {
+			t.Errorf("unexpected number of refs: %d != 4", len(refs))
+		}
+
+	})
+}
+
+func TestDirectoryResolver_FilesByGlobSingle(t *testing.T) {
+	t.Run("finds multiple matching files", func(t *testing.T) {
+		resolver := DirectoryResolver{"test-fixtures"}
+		refs, err := resolver.FilesByGlob("image-symlinks/*1.txt")
+		if err != nil {
+			t.Fatalf("could not use resolver: %+v, %+v", err, refs)
+		}
+
+		if len(refs) != 1 {
+			t.Errorf("unexpected number of refs: %d != 1", len(refs))
+		}
+
+	})
+}