Better optional values handling

examples/simple/Cargo.toml

@@ -12,6 +12,7 @@ crate-type = ["cdylib"]
 anyhow.workspace = true
 pulumi_wasm_rust.workspace = true
 pulumi_wasm_random.workspace = true
+log = "0.4.22"
 
 [dev-dependencies]
 assert_cmd.workspace = true

examples/simple/justfile

@@ -19,5 +19,7 @@ local-test:
     cargo component build -p pulumi_wasm_example_simple --release
     cargo component build -p pulumi_wasm_random_provider --release
     $env:PULUMI_CONFIG_PASSPHRASE=" "
-    pulumi destroy -y
-    pulumi up -y
+    pulumi preview
+#    pulumi up -y
+#    pulumi destroy -y
+#    pulumi up -y

examples/simple/src/lib.rs

@@ -1,4 +1,5 @@
 use anyhow::Error;
+use log::info;
 use pulumi_wasm_random::random_string;
 use pulumi_wasm_random::random_string::RandomStringArgs;
 use pulumi_wasm_rust::Output;
@@ -13,12 +14,16 @@ fn test_main() -> Result<(), Error> {
         RandomStringArgs::builder().length(length).build_struct(),
     );
 
+
     // Tests preview behaviour for unknown fields
     let t = random_string.result.map(|s| format!("Result: {s}"));
 
     // Tests number mapping
     let number = random_string.min_upper.map(|i| i * 2);
 
+    // Optional values are deserialized as None
+    let keepers = random_string.keepers.map(|map| format!("Keepers: {map:?}"));
+
     let val1 = Output::new(&1);
     let val2 = Output::new(&"abc".to_string());
 
@@ -29,10 +34,17 @@ fn test_main() -> Result<(), Error> {
     let combined_string = combined.map(|values| format!("Values: {values:?}"));
     let combined_2_string = combined_2.map(|values| format!("Values: {values:?}"));
 
+    let random_string_2 = random_string::create(
+        "test_2",
+        RandomStringArgs::builder().length(keepers.map(|s| {info!("TEST: {}", s); s.len() as i32})).build_struct(),
+    );
+
     add_export("result", &random_string.result);
     add_export("transformed_result", &t);
     add_export("number", &number);
     add_export("combined_string", &combined_string);
     add_export("combined_2_string", &combined_2_string);
+    add_export("keepers", &keepers);
+    add_export("result_2", &random_string_2.result);
     Ok(())
 }