add command/ tests

command/build_test.go

@@ -324,6 +324,52 @@ func TestBuild(t *testing.T) {
 				},
 			},
 		},
+
+		{
+			name: "hcl - valid validation rule for default value",
+			args: []string{
+				filepath.Join(testFixture("hcl", "validation", "map")),
+			},
+			expectedCode: 0,
+		},
+
+		{
+			name: "hcl - valid setting from varfile",
+			args: []string{
+				"-var-file", filepath.Join(testFixture("hcl", "validation", "map", "valid_value.pkrvars.hcl")),
+				filepath.Join(testFixture("hcl", "validation", "map")),
+			},
+			expectedCode: 0,
+		},
+
+		{
+			name: "hcl - invalid setting from varfile",
+			args: []string{
+				"-var-file", filepath.Join(testFixture("hcl", "validation", "map", "invalid_value.pkrvars.hcl")),
+				filepath.Join(testFixture("hcl", "validation", "map")),
+			},
+			expectedCode: 1,
+		},
+
+		{
+			name: "hcl - valid cmd ( invalid varfile bypased )",
+			args: []string{
+				"-var-file", filepath.Join(testFixture("hcl", "validation", "map", "invalid_value.pkrvars.hcl")),
+				"-var", `image_metadata={key = "new_value", something = { foo = "bar" }}`,
+				filepath.Join(testFixture("hcl", "validation", "map")),
+			},
+			expectedCode: 0,
+		},
+
+		{
+			name: "hcl - invalid cmd ( valid varfile bypased )",
+			args: []string{
+				"-var-file", filepath.Join(testFixture("hcl", "validation", "map", "valid_value.pkrvars.hcl")),
+				"-var", `image_metadata={key = "?", something = { foo = "wrong" }}`,
+				filepath.Join(testFixture("hcl", "validation", "map")),
+			},
+			expectedCode: 1,
+		},
 	}
 
 	for _, tt := range tc {

command/test-fixtures/hcl/validation/map/definition.pkr.hcl

@@ -0,0 +1,19 @@
+
+variable "image_metadata" {
+  default = {
+    key: "value",
+    something: { 
+      foo: "bar",
+    }
+  }
+  validation {
+    condition     = length(var.image_metadata.key) > 4
+    error_message = "The image_metadata.key field must be more than 4 runes."
+  }
+  validation {
+    condition     = substr(var.image_metadata.something.foo, 0, 3) == "bar"
+    error_message = "The image_metadata.something.foo field must start with \"bar\"."
+  }
+}
+
+build {}

command/test-fixtures/hcl/validation/map/invalid_value.pkrvars.hcl

@@ -0,0 +1,7 @@
+
+image_metadata = {
+  key: "value",
+  something: { 
+    foo: "woo",
+  }
+}

command/test-fixtures/hcl/validation/map/valid_value.pkrvars.hcl

@@ -0,0 +1,7 @@
+
+image_metadata = {
+  key: "value",
+  something: { 
+    foo: "barwoo",
+  }
+}