tests: add preview tests for replacements

tests/sdk/java/preview_test.go

@@ -0,0 +1,23 @@
+package test
+
+import (
+	"testing"
+
+	"github.com/pulumi/providertest/pulumitest"
+	"github.com/pulumi/providertest/pulumitest/opttest"
+)
+
+// TestPreviewReplacements ensures that replacements for immutable fields are correctly previewed.
+func TestPreviewReplacements(t *testing.T) {
+	test := pulumitest.NewPulumiTest(t, "testdata/preview-replacements", opttest.SkipInstall())
+	t.Logf("into %s", test.Source())
+	t.Cleanup(func() {
+		test.Destroy()
+	})
+	test.Preview()
+	test.Up()
+
+	// Preview should not fail when there is a replacement due to immutable fields.
+	test.UpdateSource("testdata/preview-replacements", "step2")
+	test.Preview()
+}

tests/sdk/java/testdata/preview-replacements/Pulumi.yaml

@@ -0,0 +1,32 @@
+name: job-unreachable
+runtime: yaml
+resources:
+  provider:
+    type: pulumi:providers:kubernetes
+  ns:
+    type: kubernetes:core/v1:Namespace
+    options:
+      provider: ${provider}
+  job:
+    type: kubernetes:batch/v1:Job
+    properties:
+      metadata:
+        name: test-job-previews
+        namespace: ${ns.metadata.name}
+        annotations:
+          pulumi.com/skipAwait: "true"
+      spec:
+        template:
+          metadata:
+            name: test-job-unreachable
+          spec:
+            containers:
+              - name: test-job-unreachable-container
+                image: busybox
+                command:
+                  - sh
+                  - -c
+                  - exit 0
+            restartPolicy: Never
+    options:
+      provider: ${provider}

tests/sdk/java/testdata/preview-replacements/step2/Pulumi.yaml

@@ -0,0 +1,32 @@
+name: job-unreachable
+runtime: yaml
+resources:
+  provider:
+    type: pulumi:providers:kubernetes
+  ns:
+    type: kubernetes:core/v1:Namespace
+    options:
+      provider: ${provider}
+  job:
+    type: kubernetes:batch/v1:Job
+    properties:
+      metadata:
+        name: test-job-previews
+        namespace: ${ns.metadata.name}
+        annotations:
+          pulumi.com/skipAwait: "true"
+      spec:
+        template:
+          metadata:
+            name: test-job-unreachable
+          spec:
+            containers:
+              - name: test-job-unreachable-container-step2
+                image: busybox
+                command:
+                  - sh
+                  - -c
+                  - exit 0
+            restartPolicy: Never
+    options:
+      provider: ${provider}