From f0d945e9855d424e549e4bd92d0140dbaed49dbf Mon Sep 17 00:00:00 2001
From: d-lau <d-lau@mercari.com>
Date: Tue, 11 Aug 2020 21:55:59 +0900
Subject: [PATCH] add a parse test

---
 go.mod                |  1 +
 go.sum                |  4 +++
 parse_test.go         | 82 +++++++++++++++++++++++++++++++++++++++++++
 test/nestedmap.stdout | 30 ++++++++++++++++
 4 files changed, 117 insertions(+)
 create mode 100644 parse_test.go
 create mode 100644 test/nestedmap.stdout

diff --git a/go.mod b/go.mod
index 383aa88..a2d2dd8 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,7 @@ module github.com/drlau/tfplanparse
 go 1.14
 
 require (
+	github.com/google/go-cmp v0.5.1
 	github.com/mattn/go-colorable v0.1.7
 	golang.org/x/sys v0.0.0-20200808120158-1030fc2bf1d9 // indirect
 )
diff --git a/go.sum b/go.sum
index 92b965f..d615b15 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,5 @@
+github.com/google/go-cmp v0.5.1 h1:JFrFEBb2xKufg6XkJsJr+WbKb4FQlURi5RUcBveYu9k=
+github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/mattn/go-colorable v0.1.7 h1:bQGKb3vps/j0E9GfJQ03JyhRuxsvdAanXlT9BTw3mdw=
 github.com/mattn/go-colorable v0.1.7/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
 github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
@@ -7,3 +9,5 @@ golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae h1:/WDfKMnPU+m5M4xB+6x4kaepx
 golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200808120158-1030fc2bf1d9 h1:yi1hN8dcqI9l8klZfy4B8mJvFmmAxJEePIQQFNSd7Cs=
 golang.org/x/sys v0.0.0-20200808120158-1030fc2bf1d9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
diff --git a/parse_test.go b/parse_test.go
new file mode 100644
index 0000000..80a0743
--- /dev/null
+++ b/parse_test.go
@@ -0,0 +1,82 @@
+package tfplanparse
+
+import (
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+)
+
+func TestParse(t *testing.T) {
+	cases := map[string]struct {
+		file     string
+		expected []*ResourceChange
+	}{
+		// "basic plan": {
+		// 	file: "test/basic.stdout",
+		// 	expected: []*ResourceChange{
+		// 		// TODO
+		// 	},
+		// },
+		// "plan error": {
+		// 	file: "test/error.stdout",
+		// 	expected: nil,
+		// },
+		// "no changes": {
+		// 	file: "test/nochanges.stdout",
+		// 	expected: nil,
+		// },
+		// "array": {
+		// 	file: "test/array.stdout",
+		// 	expected: []*ResourceChange{
+		// 		// TODO
+		// 	},
+		// },
+		"nested map": {
+			file:     "test/nestedmap.stdout",
+			expected: []*ResourceChange{
+				&ResourceChange{
+					Address: "module.mymodule.kubernetes_namespace.mynamespace",
+					ModuleAddress: "module.mymodule",
+					Type: "kubernetes_namespace",
+					Name: "mynamespace",
+					UpdateType: UpdateInPlaceResource,
+					AttributeChanges: nil,
+					MapAttributeChanges: []*MapAttributeChange{
+						&MapAttributeChange{
+							Name: "metadata",
+							AttributeChanges: nil,
+							MapAttributeChanges: []*MapAttributeChange{
+								&MapAttributeChange{
+									Name: "labels",
+									AttributeChanges: []*AttributeChange{
+										&AttributeChange{
+											Name: "newLabel",
+											OldValue: nil,
+											NewValue: "newLabel",
+											UpdateType: NewResource,
+										},
+									},
+									MapAttributeChanges: nil,
+									UpdateType: UpdateInPlaceResource,
+								},
+							},
+							UpdateType: UpdateInPlaceResource,
+						},
+					},
+				},
+			},
+		},
+	}
+	for name, tc := range cases {
+		t.Run(name, func(t *testing.T) {
+			// TODO handle expected error
+			got, err := ParseFromFile(tc.file)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if diff := cmp.Diff(got, tc.expected); diff != "" {
+				t.Errorf("(-got, +expected)\n%s", diff)
+			}
+		})
+	}
+}
\ No newline at end of file
diff --git a/test/nestedmap.stdout b/test/nestedmap.stdout
new file mode 100644
index 0000000..d19e5ed
--- /dev/null
+++ b/test/nestedmap.stdout
@@ -0,0 +1,30 @@
+------------------------------------------------------------------------
+
+An execution plan has been generated and is shown below.
+Resource actions are indicated with the following symbols:
+  ~ update in-place
+
+Terraform will perform the following actions:
+
+  # module.mymodule.kubernetes_namespace.mynamespace will be updated in-place
+  ~ resource "kubernetes_namespace" "mynamespace" {
+        id = "namespace-id"
+
+      ~ metadata {
+            annotations      = {}
+            generation       = 0
+          ~ labels           = {
+                "label"    = "value"
+                "other"    = "label"
+              + "newLabel" = "newLabel"
+            }
+            name             = "my-namespace"
+            resource_version = "123"
+            self_link        = "/api/v1/namespaces/my-namespace"
+            uid              = "some-uid-123"
+        }
+
+        timeouts {}
+    }
+
+Plan: 0 to add, 1 to change, 0 to destroy.
\ No newline at end of file