Introduce new format pattern + port json processing (#550)

* add new format pattern

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

* add syftjson format

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

* add internal formats helper

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

* add SBOM encode/decode to lib API

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

* remove json presenter + update presenter tests to use common utils

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

* remove presenter format enum type + add formats shim in presenter helper

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

* add MustCPE helper for tests

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

* update usage of format enum

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

* add test fixtures for encode/decode tests

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

* fix integration test

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

* migrate format detection to use reader

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

* address review comments

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

internal/presenter/packages/test-fixtures/snapshot/TestSPDXJSONDirectoryPresenter.golden

@@ -3,7 +3,7 @@
  "name": "/some/path",
  "spdxVersion": "SPDX-2.2",
  "creationInfo": {
-  "created": "2021-09-16T20:44:35.198887Z",
+  "created": "2021-10-12T18:40:22.948394Z",
   "creators": [
    "Organization: Anchore, Inc",
    "Tool: syft-[not provided]"
@@ -11,7 +11,7 @@
   "licenseListVersion": "3.14"
  },
  "dataLicense": "CC0-1.0",
- "documentNamespace": "https://anchore.com/syft/image/",
+ "documentNamespace": "https:/anchore.com/syft/dir/some/path-98ae71fb-f276-4c5c-acf7-25770bf7bca2",
  "packages": [
   {
    "SPDXID": "SPDXRef-Package-python-package-1-1.0.1",
@@ -32,7 +32,7 @@
    ],
    "filesAnalyzed": false,
    "hasFiles": [
-    "SPDXRef-File-package-1-04cd22424378dcd6c77fce08beb52493b5494a60ea5e1f9bdf9b16dc0cacffe9"
+    "SPDXRef-File-package-1-efae7fecc76ca25da40f79d7ef5b8933510434914835832c7976f3e866aa756a"
    ],
    "licenseDeclared": "MIT",
    "sourceInfo": "acquired package info from installed python package manifest file: /some/path/pkg1",
@@ -63,17 +63,17 @@
  ],
  "files": [
   {
-   "SPDXID": "SPDXRef-File-package-1-04cd22424378dcd6c77fce08beb52493b5494a60ea5e1f9bdf9b16dc0cacffe9",
+   "SPDXID": "SPDXRef-File-package-1-efae7fecc76ca25da40f79d7ef5b8933510434914835832c7976f3e866aa756a",
    "name": "foo",
    "licenseConcluded": "",
-   "fileName": "/some/path/pkg1/depedencies/foo"
+   "fileName": "/some/path/pkg1/dependencies/foo"
   }
  ],
  "relationships": [
   {
    "spdxElementId": "SPDXRef-Package-python-package-1-1.0.1",
    "relationshipType": "CONTAINS",
-   "relatedSpdxElement": "SPDXRef-File-package-1-04cd22424378dcd6c77fce08beb52493b5494a60ea5e1f9bdf9b16dc0cacffe9"
+   "relatedSpdxElement": "SPDXRef-File-package-1-efae7fecc76ca25da40f79d7ef5b8933510434914835832c7976f3e866aa756a"
   }
  ]
 }

internal/presenter/packages/test-fixtures/snapshot/TestSPDXJSONImagePresenter.golden

@@ -3,7 +3,7 @@
  "name": "user-image-input",
  "spdxVersion": "SPDX-2.2",
  "creationInfo": {
-  "created": "2021-09-16T20:44:35.203911Z",
+  "created": "2021-10-12T18:40:22.953633Z",
   "creators": [
    "Organization: Anchore, Inc",
    "Tool: syft-[not provided]"
@@ -11,7 +11,7 @@
   "licenseListVersion": "3.14"
  },
  "dataLicense": "CC0-1.0",
- "documentNamespace": "https://anchore.com/syft/image/user-image-input",
+ "documentNamespace": "https:/anchore.com/syft/image/user-image-input-149edbad-3c01-4ee0-b3a0-75232312bf51",
  "packages": [
   {
    "SPDXID": "SPDXRef-Package-python-package-1-1.0.1",

internal/presenter/packages/test-fixtures/snapshot/TestTextImagePresenter.golden

@@ -1,11 +1,11 @@
 [Image]
  Layer:		 0
- Digest:	 sha256:ffb5e9eaa453a002110719d12c294960117ca2903953d1faa40f01dc3f77045c
+ Digest:	 sha256:fb6beecb75b39f4bb813dbf177e501edd5ddb3e69bb45cedeb78c676ee1b7a59
  Size:		 22
  MediaType:	 application/vnd.docker.image.rootfs.diff.tar.gzip
 
  Layer:		 1
- Digest:	 sha256:8463854829fc53d47b9dcdf7ee79fe7eb4ca7933c910f67f8521412f7a2f5c21
+ Digest:	 sha256:319b588ce64253a87b533c8ed01cf0025e0eac98e7b516e12532957e1244fdec
  Size:		 16
  MediaType:	 application/vnd.docker.image.rootfs.diff.tar.gzip