Add more tests

Author: ongchi

tests/suite/cli_rustup.rs

@@ -1387,6 +1387,42 @@ fn add_component_by_target_triple() {
     });
 }
 
+#[test]
+fn fail_invalid_component_name() {
+    test(&|config| {
+        config.with_scenario(Scenario::SimpleV2, &|config| {
+            config.expect_ok(&["rustup", "default", "stable"]);
+            config.expect_err(
+                &[
+                    "rustup",
+                    "component",
+                    "add",
+                    &format!("dummy-{}", clitools::CROSS_ARCH1),
+                ],
+                &format!("error: toolchain 'stable-{}' does not contain component 'dummy-{}' for target '{}'",this_host_triple(), clitools::CROSS_ARCH1, this_host_triple()),
+            );
+        })
+    });
+}
+
+#[test]
+fn fail_invalid_component_target() {
+    test(&|config| {
+        config.with_scenario(Scenario::SimpleV2, &|config| {
+            config.expect_ok(&["rustup", "default", "stable"]);
+            config.expect_err(
+                &[
+                    "rustup",
+                    "component",
+                    "add",
+                    "rust-std-invalid-target",
+                ],
+                &format!("error: toolchain 'stable-{}' does not contain component 'rust-std-invalid-target' for target '{}'",this_host_triple(),  this_host_triple()),
+            );
+        })
+    });
+}
+
 #[test]
 fn remove_component() {
     test(&|config| {