add method to generate multiipart form data

move snap api json response into fixture data - chefstyle was very unhappy with inline data defs
Signed-off-by: S.Cavallo <smcavallo@hotmail.com>

10 files changed, 412 insertions, 23 deletions

diff --git a/lib/chef/provider/package/snap.rb b/lib/chef/provider/package/snap.rb
index 324de2f486..090eded54f 100644
--- a/lib/chef/provider/package/snap.rb
+++ b/lib/chef/provider/package/snap.rb
@@ -228,6 +228,49 @@ class Chef
           wait_for_completion(id)
         end
 
+        # Constructs the multipart/form-data required to sideload packages
+        # https://github.com/snapcore/snapd/wiki/REST-API#sideload-request
+        #
+        #   @param snap_name [String] An array of snap package names to install
+        #   @param action [String] The action. Valid: install or try
+        #   @param options [Hash] Misc configuration Options
+        #   @param path [String] Path to the package on disk
+        #   @param content_length [Integer] byte size of the snap file
+        def generate_multipart_form_data(snap_name, action, options, path, content_length)
+
+          # Get the bytes of the file on disk
+          #content_length = IO.binread(path)
+
+          snap_options = []
+          options.each do | k,v |
+            snap_option = <<~SNAP_OPTION
+Content-Disposition: form-data; name="#{k}"
+
+#{v}
+--#{snap_name}
+            SNAP_OPTION
+            snap_options.push(snap_option)
+          end
+
+          multipart_form_data = <<~SNAP_S
+Host:
+Content-Type: multipart/form-data; boundary=#{snap_name}
+Content-Length: #{content_length}
+
+--#{snap_name}
+Content-Disposition: form-data; name="action"
+
+#{action}
+--#{snap_name}
+#{snap_options.join("\n")}
+Content-Disposition: form-data; name="snap"; filename="#{path}"
+
+<#{content_length} bytes of snap file data>
+--#{snap_name}
+          SNAP_S
+          multipart_form_data
+        end
+
         # Constructs json to post for snap changes
         #
         #   @param snap_names [Array] An array of snap package names to install
diff --git a/spec/data/snap_package/async_result_success.json b/spec/data/snap_package/async_result_success.json
new file mode 100644
index 0000000000..09781ad5bd
--- /dev/null
+++ b/spec/data/snap_package/async_result_success.json
@@ -0,0 +1,6 @@
+{
+  "type": "async",
+  "status-code": 202,
+  "status": "Accepted",
+  "change": "401"
+}
diff --git a/spec/data/snap_package/change_id_result.json b/spec/data/snap_package/change_id_result.json
new file mode 100644
index 0000000000..cd823d7cbc
--- /dev/null
+++ b/spec/data/snap_package/change_id_result.json
@@ -0,0 +1,175 @@
+{
+  "type": "sync",
+  "status-code": 200,
+  "status": "OK",
+  "result": {
+    "id": "15",
+    "kind": "install-snap",
+    "summary": "Install snap \"hello\"",
+    "status": "Done",
+    "tasks": [{
+      "id": "165",
+      "kind": "prerequisites",
+      "summary": "Ensure prerequisites for \"hello\" are available",
+      "status": "Done",
+      "progress": {
+        "label": "",
+        "done": 1,
+        "total": 1
+      },
+      "spawn-time": "2018-09-22T20:25:25.22104314Z",
+      "ready-time": "2018-09-22T20:25:25.231090966Z"
+    }, {
+      "id": "166",
+      "kind": "download-snap",
+      "summary": "Download snap \"hello\" (20) from channel \"stable\"",
+      "status": "Done",
+      "progress": {
+        "label": "",
+        "done": 1,
+        "total": 1
+      },
+      "spawn-time": "2018-09-22T20:25:25.221070859Z",
+      "ready-time": "2018-09-22T20:25:25.24321909Z"
+    }, {
+      "id": "167",
+      "kind": "validate-snap",
+      "summary": "Fetch and check assertions for snap \"hello\" (20)",
+      "status": "Done",
+      "progress": {
+        "label": "",
+        "done": 1,
+        "total": 1
+      },
+      "spawn-time": "2018-09-22T20:25:25.221080163Z",
+      "ready-time": "2018-09-22T20:25:25.55308904Z"
+    }, {
+      "id": "168",
+      "kind": "mount-snap",
+      "summary": "Mount snap \"hello\" (20)",
+      "status": "Done",
+      "progress": {
+        "label": "",
+        "done": 1,
+        "total": 1
+      },
+      "spawn-time": "2018-09-22T20:25:25.221082984Z",
+      "ready-time": "2018-09-22T20:25:25.782452658Z"
+    }, {
+      "id": "169",
+      "kind": "copy-snap-data",
+      "summary": "Copy snap \"hello\" data",
+      "status": "Done",
+      "progress": {
+        "label": "",
+        "done": 1,
+        "total": 1
+      },
+      "spawn-time": "2018-09-22T20:25:25.221085677Z",
+      "ready-time": "2018-09-22T20:25:25.790911883Z"
+    }, {
+      "id": "170",
+      "kind": "setup-profiles",
+      "summary": "Setup snap \"hello\" (20) security profiles",
+      "status": "Done",
+      "progress": {
+        "label": "",
+        "done": 1,
+        "total": 1
+      },
+      "spawn-time": "2018-09-22T20:25:25.221088261Z",
+      "ready-time": "2018-09-22T20:25:25.972796111Z"
+    }, {
+      "id": "171",
+      "kind": "link-snap",
+      "summary": "Make snap \"hello\" (20) available to the system",
+      "status": "Done",
+      "progress": {
+        "label": "",
+        "done": 1,
+        "total": 1
+      },
+      "spawn-time": "2018-09-22T20:25:25.221090669Z",
+      "ready-time": "2018-09-22T20:25:25.986931331Z"
+    }, {
+      "id": "172",
+      "kind": "auto-connect",
+      "summary": "Automatically connect eligible plugs and slots of snap \"hello\"",
+      "status": "Done",
+      "progress": {
+        "label": "",
+        "done": 1,
+        "total": 1
+      },
+      "spawn-time": "2018-09-22T20:25:25.221093357Z",
+      "ready-time": "2018-09-22T20:25:25.996914144Z"
+    }, {
+      "id": "173",
+      "kind": "set-auto-aliases",
+      "summary": "Set automatic aliases for snap \"hello\"",
+      "status": "Done",
+      "progress": {
+        "label": "",
+        "done": 1,
+        "total": 1
+      },
+      "spawn-time": "2018-09-22T20:25:25.221097651Z",
+      "ready-time": "2018-09-22T20:25:26.009155888Z"
+    }, {
+      "id": "174",
+      "kind": "setup-aliases",
+      "summary": "Setup snap \"hello\" aliases",
+      "status": "Done",
+      "progress": {
+        "label": "",
+        "done": 1,
+        "total": 1
+      },
+      "spawn-time": "2018-09-22T20:25:25.221100379Z",
+      "ready-time": "2018-09-22T20:25:26.021062388Z"
+    }, {
+      "id": "175",
+      "kind": "run-hook",
+      "summary": "Run install hook of \"hello\" snap if present",
+      "status": "Done",
+      "progress": {
+        "label": "",
+        "done": 1,
+        "total": 1
+      },
+      "spawn-time": "2018-09-22T20:25:25.221103116Z",
+      "ready-time": "2018-09-22T20:25:26.031383884Z"
+    }, {
+      "id": "176",
+      "kind": "start-snap-services",
+      "summary": "Start snap \"hello\" (20) services",
+      "status": "Done",
+      "progress": {
+        "label": "",
+        "done": 1,
+        "total": 1
+      },
+      "spawn-time": "2018-09-22T20:25:25.221110251Z",
+      "ready-time": "2018-09-22T20:25:26.039564637Z"
+    }, {
+      "id": "177",
+      "kind": "run-hook",
+      "summary": "Run configure hook of \"hello\" snap if present",
+      "status": "Done",
+      "progress": {
+        "label": "",
+        "done": 1,
+        "total": 1
+      },
+      "spawn-time": "2018-09-22T20:25:25.221115952Z",
+      "ready-time": "2018-09-22T20:25:26.05069451Z"
+    }
+    ],
+    "ready": true,
+    "spawn-time": "2018-09-22T20:25:25.221130149Z",
+    "ready-time": "2018-09-22T20:25:26.050696298Z",
+    "data": {
+      "snap-names": ["hello"]
+    }
+  }
+}
diff --git a/spec/data/snap_package/find_result_failure.json b/spec/data/snap_package/find_result_failure.json
new file mode 100644
index 0000000000..ec0d82a3b8
--- /dev/null
+++ b/spec/data/snap_package/find_result_failure.json
@@ -0,0 +1,10 @@
+{
+  "type": "error",
+  "status-code": 404,
+  "status": "Not Found",
+  "result": {
+    "message": "snap not found",
+    "kind": "snap-not-found",
+    "value": "hello2"
+  }
+}
diff --git a/spec/data/snap_package/find_result_success.json b/spec/data/snap_package/find_result_success.json
new file mode 100644
index 0000000000..f19f24dcef
--- /dev/null
+++ b/spec/data/snap_package/find_result_success.json
@@ -0,0 +1,70 @@
+{
+  "type": "sync",
+  "status-code": 200,
+  "status": "OK",
+  "result": [{
+    "id": "mVyGrEwiqSi5PugCwyH7WgpoQLemtTd6",
+    "title": "hello",
+    "summary": "GNU Hello, the \"hello world\" snap",
+    "description": "GNU hello prints a friendly greeting. This is part of the snapcraft tour at https://snapcraft.io/",
+    "download-size": 65536,
+    "name": "hello",
+    "publisher": {
+      "id": "canonical",
+      "username": "canonical",
+      "display-name": "Canonical",
+      "validation": "verified"
+    },
+    "developer": "canonical",
+    "status": "available",
+    "type": "app",
+    "version": "2.10",
+    "channel": "stable",
+    "ignore-validation": false,
+    "revision": "20",
+    "confinement": "strict",
+    "private": false,
+    "devmode": false,
+    "jailmode": false,
+    "contact": "mailto:snaps@canonical.com",
+    "license": "GPL-3.0",
+    "channels": {
+      "latest/beta": {
+        "revision": "29",
+        "confinement": "strict",
+        "version": "2.10.1",
+        "channel": "beta",
+        "epoch": "0",
+        "size": 65536
+      },
+      "latest/candidate": {
+        "revision": "20",
+        "confinement": "strict",
+        "version": "2.10",
+        "channel": "candidate",
+        "epoch": "0",
+        "size": 65536
+      },
+      "latest/edge": {
+        "revision": "34",
+        "confinement": "strict",
+        "version": "2.10.42",
+        "channel": "edge",
+        "epoch": "0",
+        "size": 65536
+      },
+      "latest/stable": {
+        "revision": "20",
+        "confinement": "strict",
+        "version": "2.10",
+        "channel": "stable",
+        "epoch": "0",
+        "size": 65536
+      }
+    },
+    "tracks": ["latest"]
+  }
+  ],
+  "sources": ["store"],
+  "suggested-currency": "USD"
+}
diff --git a/spec/data/snap_package/get_by_name_result_failure.json b/spec/data/snap_package/get_by_name_result_failure.json
new file mode 100644
index 0000000000..c8c1bb7342
--- /dev/null
+++ b/spec/data/snap_package/get_by_name_result_failure.json
@@ -0,0 +1,10 @@
+{
+  "type": "error",
+  "status-code": 404,
+  "status": "Not Found",
+  "result": {
+    "message": "snap not installed",
+    "kind": "snap-not-found",
+    "value": "aws-cliasdfasdf"
+  }
+}
diff --git a/spec/data/snap_package/get_by_name_result_success.json b/spec/data/snap_package/get_by_name_result_success.json
new file mode 100644
index 0000000000..05517362ab
--- /dev/null
+++ b/spec/data/snap_package/get_by_name_result_success.json
@@ -0,0 +1,38 @@
+{
+  "type": "sync",
+  "status-code": 200,
+  "status": "OK",
+  "result": {
+    "id": "CRrJViJiSuDcCkU31G0xpNRVNaj4P960",
+    "summary": "Universal Command Line Interface for Amazon Web Services",
+    "description": "This package provides a unified command line interface to Amazon Web\nServices.\n",
+    "installed-size": 15851520,
+    "name": "aws-cli",
+    "publisher": {
+      "id": "S7iQ7mKDXBDliQqRcgefvc2TKXIH9pYk",
+      "username": "aws",
+      "display-name": "Amazon Web Services",
+      "validation": "verified"
+    },
+    "developer": "aws",
+    "status": "active",
+    "type": "app",
+    "version": "1.15.71",
+    "channel": "",
+    "tracking-channel": "stable",
+    "ignore-validation": false,
+    "revision": "135",
+    "confinement": "classic",
+    "private": false,
+    "devmode": false,
+    "jailmode": false,
+    "apps": [{
+      "snap": "aws-cli",
+      "name": "aws"
+    }
+    ],
+    "contact": "",
+    "mounted-from": "/var/lib/snapd/snaps/aws-cli_135.snap",
+    "install-date": "2018-09-17T20:39:38.516Z"
+  }
+}
diff --git a/spec/data/snap_package/get_conf_success.json b/spec/data/snap_package/get_conf_success.json
new file mode 100644
index 0000000000..e83ffbfbe3
--- /dev/null
+++ b/spec/data/snap_package/get_conf_success.json
@@ -0,0 +1,10 @@
+{
+  "type": "sync",
+  "status-code": 200,
+  "status": "OK",
+  "result": {
+    "address": "0.0.0.0",
+    "allow-privileged": true,
+    "anonymous-auth": false
+  }
+}
diff --git a/spec/data/snap_package/result_failure.json b/spec/data/snap_package/result_failure.json
new file mode 100644
index 0000000000..e65120ad33
--- /dev/null
+++ b/spec/data/snap_package/result_failure.json
@@ -0,0 +1,9 @@
+{
+  "type": "error",
+  "status-code": 401,
+  "status": "Unauthorized",
+  "result": {
+    "message": "access denied",
+    "kind": "login-required"
+  }
+}
diff --git a/spec/unit/provider/package/snap_spec.rb b/spec/unit/provider/package/snap_spec.rb
index 7638a17467..c239761552 100644
--- a/spec/unit/provider/package/snap_spec.rb
+++ b/spec/unit/provider/package/snap_spec.rb
@@ -49,29 +49,14 @@ describe Chef::Provider::Package::Snap do
   end
 
   # Example output from https://github.com/snapcore/snapd/wiki/REST-API
-  find_result_success = JSON.parse({"type" => "sync", "status-code" => 200, "status" => "OK", "result" => [{"id" => "mVyGrEwiqSi5PugCwyH7WgpoQLemtTd6", "title" => "hello", "summary" => "GNU Hello, the \"hello world\" snap", "description" => "GNU hello prints a friendly greeting. This is part of the snapcraft tour at https://snapcraft.io/", "download-size" => 65536, "name" => "hello", "publisher" => {"id" => "canonical", "username" => "canonical", "display-name" => "Canonical", "validation" => "verified"}, "developer" => "canonical", "status" => "available", "type" => "app", "version" => "2.10", "channel" => "stable", "ignore-validation" => false, "revision" => "20", "confinement" => "strict", "private" => false, "devmode" => false, "jailmode" => false, "contact" => "mailto:snaps@canonical.com", "license" => "GPL-3.0", "channels" => {"latest/beta" => {"revision" => "29", "confinement" => "strict", "version" => "2.10.1", "channel" => "beta", "epoch" => "0", "size" => 65536}, "latest/candidate" => {"revision" => "20", "confinement" => "strict", "version" => "2.10", "channel" => "candidate", "epoch" => "0", "size" => 65536}, "latest/edge" => {"revision" => "34", "confinement" => "strict", "version" => "2.10.42", "channel" => "edge", "epoch" => "0", "size" => 65536}, "latest/stable" => {"revision" => "20", "confinement" => "strict", "version" => "2.10", "channel" => "stable", "epoch" => "0", "size" => 65536}}, "tracks" => ["latest"]}], "sources" => ["store"], "suggested-currency" => "USD"}.to_json)
-  find_result_fail = JSON.parse({"type" => "error", "status-code" => 404, "status" => "Not Found", "result" => {"message" => "snap not found", "kind" => "snap-not-found", "value" => "hello2"}}.to_json)
-  get_by_name_result_success = JSON.parse({"type" => "sync", "status-code" => 200, "status" => "OK", "result" => {"id" => "CRrJViJiSuDcCkU31G0xpNRVNaj4P960", "summary" => "Universal Command Line Interface for Amazon Web Services", "description" => "This package provides a unified command line interface to Amazon Web\nServices.\n", "installed-size" => 15851520, "name" => "aws-cli", "publisher" => {"id" => "S7iQ7mKDXBDliQqRcgefvc2TKXIH9pYk", "username" => "aws", "display-name" => "Amazon Web Services", "validation" => "verified"}, "developer" => "aws", "status" => "active", "type" => "app", "version" => "1.15.71", "channel" => "", "tracking-channel" => "stable", "ignore-validation" => false, "revision" => "135", "confinement" => "classic", "private" => false, "devmode" => false, "jailmode" => false, "apps" => [{"snap" => "aws-cli", "name" => "aws"}], "contact" => "", "mounted-from" => "/var/lib/snapd/snaps/aws-cli_135.snap", "install-date" => "2018-09-17T20:39:38.516Z"}}.to_json)
-  get_by_name_result_fail = JSON.parse({"type" => "error", "status-code" => 404, "status" => "Not Found", "result" => {"message" => "snap not installed", "kind" => "snap-not-found", "value" => "aws-cliasdfasdf"}}.to_json)
-  async_result_success = JSON.parse({
-                                        "type" => "async",
-                                        "status-code" => 202,
-                                        "status" => "Accepted",
-                                        "change" => "401",
-                                    }.to_json)
-  result_fail = JSON.parse({
-                               "type" => "error",
-                               "status-code" => 401,
-                               "status" => "Unauthorized",
-                               "result" => {
-                                   "message" => "access denied",
-                                   "kind" => "login-required",
-                               }
-                           }.to_json)
-
-  change_id_result = JSON.parse({"type" => "sync", "status-code" => 200, "status" => "OK", "result" => {"id" => "15", "kind" => "install-snap", "summary" => "Install snap \"hello\"", "status" => "Done", "tasks" => [{"id" => "165", "kind" => "prerequisites", "summary" => "Ensure prerequisites for \"hello\" are available", "status" => "Done", "progress" => {"label" => "", "done" => 1, "total" => 1}, "spawn-time" => "2018-09-22T20:25:25.22104314Z", "ready-time" => "2018-09-22T20:25:25.231090966Z"}, {"id" => "166", "kind" => "download-snap", "summary" => "Download snap \"hello\" (20) from channel \"stable\"", "status" => "Done", "progress" => {"label" => "", "done" => 1, "total" => 1}, "spawn-time" => "2018-09-22T20:25:25.221070859Z", "ready-time" => "2018-09-22T20:25:25.24321909Z"}, {"id" => "167", "kind" => "validate-snap", "summary" => "Fetch and check assertions for snap \"hello\" (20)", "status" => "Done", "progress" => {"label" => "", "done" => 1, "total" => 1}, "spawn-time" => "2018-09-22T20:25:25.221080163Z", "ready-time" => "2018-09-22T20:25:25.55308904Z"}, {"id" => "168", "kind" => "mount-snap", "summary" => "Mount snap \"hello\" (20)", "status" => "Done", "progress" => {"label" => "", "done" => 1, "total" => 1}, "spawn-time" => "2018-09-22T20:25:25.221082984Z", "ready-time" => "2018-09-22T20:25:25.782452658Z"}, {"id" => "169", "kind" => "copy-snap-data", "summary" => "Copy snap \"hello\" data", "status" => "Done", "progress" => {"label" => "", "done" => 1, "total" => 1}, "spawn-time" => "2018-09-22T20:25:25.221085677Z", "ready-time" => "2018-09-22T20:25:25.790911883Z"}, {"id" => "170", "kind" => "setup-profiles", "summary" => "Setup snap \"hello\" (20) security profiles", "status" => "Done", "progress" => {"label" => "", "done" => 1, "total" => 1}, "spawn-time" => "2018-09-22T20:25:25.221088261Z", "ready-time" => "2018-09-22T20:25:25.972796111Z"}, {"id" => "171", "kind" => "link-snap", "summary" => "Make snap \"hello\" (20) available to the system", "status" => "Done", "progress" => {"label" => "", "done" => 1, "total" => 1}, "spawn-time" => "2018-09-22T20:25:25.221090669Z", "ready-time" => "2018-09-22T20:25:25.986931331Z"}, {"id" => "172", "kind" => "auto-connect", "summary" => "Automatically connect eligible plugs and slots of snap \"hello\"", "status" => "Done", "progress" => {"label" => "", "done" => 1, "total" => 1}, "spawn-time" => "2018-09-22T20:25:25.221093357Z", "ready-time" => "2018-09-22T20:25:25.996914144Z"}, {"id" => "173", "kind" => "set-auto-aliases", "summary" => "Set automatic aliases for snap \"hello\"", "status" => "Done", "progress" => {"label" => "", "done" => 1, "total" => 1}, "spawn-time" => "2018-09-22T20:25:25.221097651Z", "ready-time" => "2018-09-22T20:25:26.009155888Z"}, {"id" => "174", "kind" => "setup-aliases", "summary" => "Setup snap \"hello\" aliases", "status" => "Done", "progress" => {"label" => "", "done" => 1, "total" => 1}, "spawn-time" => "2018-09-22T20:25:25.221100379Z", "ready-time" => "2018-09-22T20:25:26.021062388Z"}, {"id" => "175", "kind" => "run-hook", "summary" => "Run install hook of \"hello\" snap if present", "status" => "Done", "progress" => {"label" => "", "done" => 1, "total" => 1}, "spawn-time" => "2018-09-22T20:25:25.221103116Z", "ready-time" => "2018-09-22T20:25:26.031383884Z"}, {"id" => "176", "kind" => "start-snap-services", "summary" => "Start snap \"hello\" (20) services", "status" => "Done", "progress" => {"label" => "", "done" => 1, "total" => 1}, "spawn-time" => "2018-09-22T20:25:25.221110251Z", "ready-time" => "2018-09-22T20:25:26.039564637Z"}, {"id" => "177", "kind" => "run-hook", "summary" => "Run configure hook of \"hello\" snap if present", "status" => "Done", "progress" => {"label" => "", "done" => 1, "total" => 1}, "spawn-time" => "2018-09-22T20:25:25.221115952Z", "ready-time" => "2018-09-22T20:25:26.05069451Z"}], "ready" => true, "spawn-time" => "2018-09-22T20:25:25.221130149Z", "ready-time" => "2018-09-22T20:25:26.050696298Z", "data" => {"snap-names" => ["hello"]}}}.to_json)
-
-  get_conf_success = JSON.parse({"type" => "sync", "status-code" => 200, "status" => "OK", "result" => {"address" => "0.0.0.0", "allow-privileged" => true, "anonymous-auth" => false}}.to_json)
+  find_result_success = JSON.parse(File.read(File.join(CHEF_SPEC_DATA, "snap_package", "find_result_success.json")))
+  find_result_fail = JSON.parse(File.read(File.join(CHEF_SPEC_DATA, "snap_package", "find_result_failure.json")))
+  get_by_name_result_success = JSON.parse(File.read(File.join(CHEF_SPEC_DATA, "snap_package", "get_by_name_result_success.json")))
+  get_by_name_result_fail = JSON.parse(File.read(File.join(CHEF_SPEC_DATA, "snap_package", "get_by_name_result_failure.json")))
+  async_result_success = JSON.parse(File.read(File.join(CHEF_SPEC_DATA, "snap_package", "async_result_success.json")))
+  result_fail = JSON.parse(File.read(File.join(CHEF_SPEC_DATA, "snap_package", "result_failure.json")))
+  change_id_result = JSON.parse(File.read(File.join(CHEF_SPEC_DATA, "snap_package", "change_id_result.json")))
+  get_conf_success = JSON.parse(File.read(File.join(CHEF_SPEC_DATA, "snap_package", "get_conf_success.json")))
 
   describe "#define_resource_requirements" do
 
@@ -114,6 +99,39 @@ describe Chef::Provider::Package::Snap do
       it "checks the installed and local candidate versions" do
         check_version("2.10")
       end
+
+      it 'generates multipart form data' do
+        expected = <<~SNAP_S
+          Host:
+          Content-Type: multipart/form-data; boundary=foo
+          Content-Length: 20480
+
+          --foo
+          Content-Disposition: form-data; name="action"
+
+          install
+          --foo
+          Content-Disposition: form-data; name="devmode"
+
+          true
+          --foo
+          Content-Disposition: form-data; name="snap"; filename="hello-world_27.snap"
+
+          <20480 bytes of snap file data>
+          --foo
+        SNAP_S
+
+        options = {"devmode" => true}
+        path = "hello-world_27.snap"
+        content_length = "20480"
+
+        result = provider.send(:generate_multipart_form_data, "foo", "install", options, path, content_length)
+puts result
+
+        expect(result).to eq(expected)
+
+      end
+
     end
   end