Issue13513 (#7355) (#13862)

* fix suppress func

* update func

* update to fix func errors

* update regex and tests

---------

Signed-off-by: Modular Magician <[email protected]>
Co-authored-by: Edward Sun <[email protected]>

Author: modular-magician

.changelog/7355.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+cloudfunctions: fixed no diff found on `event_trigger.resource` of `google_cloudfunctions_function`
+```

google/resource_cloudfunctions_function.go

@@ -79,10 +79,43 @@ func validateResourceCloudFunctionsFunctionName(v interface{}, k string) (ws []s
 	return validateRegexp(re)(v, k)
 }
 
+func partsCompare(a, b, reg string) bool {
+
+	regex := regexp.MustCompile(reg)
+	if regex.MatchString(a) && regex.MatchString(b) {
+		aParts := regex.FindStringSubmatch(a)
+		bParts := regex.FindStringSubmatch(b)
+		for i := 0; i < len(aParts); i++ {
+			if aParts[i] != bParts[i] {
+				return false
+			}
+		}
+	} else if regex.MatchString(a) {
+		aParts := regex.FindStringSubmatch(a)
+		if aParts[len(aParts)-1] != b {
+			return false
+		}
+	} else if regex.MatchString(b) {
+		bParts := regex.FindStringSubmatch(b)
+		if bParts[len(bParts)-1] != a {
+			return false
+		}
+	} else {
+		if a != b {
+			return false
+		}
+	}
+
+	return true
+}
+
 // based on compareSelfLinkOrResourceName, but less reusable and allows multi-/
 // strings in the new state (config) part
 func compareSelfLinkOrResourceNameWithMultipleParts(_, old, new string, _ *schema.ResourceData) bool {
-	return strings.HasSuffix(old, new)
+	// two formats based on expandEventTrigger()
+	regex1 := "projects/(.+)/databases/\\(default\\)/documents/(.+)"
+	regex2 := "projects/(.+)/(.+)/(.+)"
+	return partsCompare(old, new, regex1) || partsCompare(old, new, regex2)
 }
 
 func ResourceCloudFunctionsFunction() *schema.Resource {

google/resource_cloudfunctions_function_test.go

@@ -118,6 +118,136 @@ func TestValidLabelKeys(t *testing.T) {
 	}
 }
 
+func TestCompareSelfLinkOrResourceNameWithMultipleParts(t *testing.T) {
+	cases := map[string]struct {
+		Old, New           string
+		ExpectDiffSuppress bool
+	}{
+		"projects to no projects doc": {
+			Old:                "projects/myproject/databases/default/documents/resource",
+			New:                "resource",
+			ExpectDiffSuppress: true,
+		},
+		"no projects to projects doc": {
+			Old:                "resource",
+			New:                "projects/myproject/databases/default/documents/resource",
+			ExpectDiffSuppress: true,
+		},
+		"projects to projects doc": {
+			Old:                "projects/myproject/databases/default/documents/resource",
+			New:                "projects/myproject/databases/default/documents/resource",
+			ExpectDiffSuppress: true,
+		},
+		"multi messages doc": {
+			Old:                "messages/{messageId}",
+			New:                "projects/myproject/databases/(default)/documents/messages/{messageId}",
+			ExpectDiffSuppress: true,
+		},
+		"multi messages 2 doc": {
+			Old:                "projects/myproject/databases/(default)/documents/messages/{messageId}",
+			New:                "messages/{messageId}",
+			ExpectDiffSuppress: true,
+		},
+		"projects to no projects topics": {
+			Old:                "projects/myproject/topics/resource",
+			New:                "resource",
+			ExpectDiffSuppress: true,
+		},
+		"no projects to projects topics": {
+			Old:                "resource",
+			New:                "projects/myproject/topics/resource",
+			ExpectDiffSuppress: true,
+		},
+		"projects to projects topics": {
+			Old:                "projects/myproject/topics/resource",
+			New:                "projects/myproject/topics/resource",
+			ExpectDiffSuppress: true,
+		},
+
+		"unmatched projects to no projects doc": {
+			Old:                "projects/myproject/databases/default/documents/resource",
+			New:                "resourcex",
+			ExpectDiffSuppress: false,
+		},
+		"unmatched no projects to projects doc": {
+			Old:                "resourcex",
+			New:                "projects/myproject/databases/default/documents/resource",
+			ExpectDiffSuppress: false,
+		},
+		"unmatched projects to projects doc": {
+			Old:                "projects/myproject/databases/default/documents/resource",
+			New:                "projects/myproject/databases/default/documents/resourcex",
+			ExpectDiffSuppress: false,
+		},
+		"unmatched projects to projects 2 doc": {
+			Old:                "projects/myprojectx/databases/default/documents/resource",
+			New:                "projects/myproject/databases/default/documents/resource",
+			ExpectDiffSuppress: false,
+		},
+		"unmatched projects to empty doc": {
+			Old:                "",
+			New:                "projects/myproject/databases/default/documents/resource",
+			ExpectDiffSuppress: false,
+		},
+		"unmatched empty to projects 2 doc": {
+			Old:                "projects/myprojectx/databases/default/documents/resource",
+			New:                "",
+			ExpectDiffSuppress: false,
+		},
+		"unmatched default to default2 doc": {
+			Old:                "projects/myproject/databases/default/documents/resource",
+			New:                "projects/myproject/databases/default2/documents/resource",
+			ExpectDiffSuppress: false,
+		},
+		"unmatched projects to no projects topics": {
+			Old:                "projects/myproject/topics/resource",
+			New:                "resourcex",
+			ExpectDiffSuppress: false,
+		},
+		"unmatched no projects to projects topics": {
+			Old:                "resourcex",
+			New:                "projects/myproject/topics/resource",
+			ExpectDiffSuppress: false,
+		},
+		"unmatched projects to projects topics": {
+			Old:                "projects/myproject/topics/resource",
+			New:                "projects/myproject/topics/resourcex",
+			ExpectDiffSuppress: false,
+		},
+		"unmatched projects to projects 2 topics": {
+			Old:                "projects/myprojectx/topics/resource",
+			New:                "projects/myproject/topics/resource",
+			ExpectDiffSuppress: false,
+		},
+		"unmatched projects to empty topics": {
+			Old:                "projects/myproject/topics/resource",
+			New:                "",
+			ExpectDiffSuppress: false,
+		},
+		"unmatched empty to projects topics": {
+			Old:                "",
+			New:                "projects/myproject/topics/resource",
+			ExpectDiffSuppress: false,
+		},
+		"unmatched resource to resource-partial": {
+			Old:                "resource",
+			New:                "resource-partial",
+			ExpectDiffSuppress: false,
+		},
+		"unmatched resource-partial to projects": {
+			Old:                "resource-partial",
+			New:                "projects/myproject/topics/resource",
+			ExpectDiffSuppress: false,
+		},
+	}
+
+	for tn, tc := range cases {
+		if compareSelfLinkOrResourceNameWithMultipleParts("resource", tc.Old, tc.New, nil) != tc.ExpectDiffSuppress {
+			t.Fatalf("bad: %s, '%s' => '%s' expect %t", tn, tc.Old, tc.New, tc.ExpectDiffSuppress)
+		}
+	}
+}
+
 func TestAccCloudFunctionsFunction_basic(t *testing.T) {
 	t.Parallel()