test: add more tests

test/r-dependent-packages/r-ver-postcreate.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -e
+
+# Optional: Import test library bundled with the devcontainer CLI
+source dev-container-features-test-lib
+
+# Feature-specific tests
+check "R cli package" bash -c "R -q -e 'names(installed.packages()[, 3])' | grep cli"
+check "R rlang package" bash -c "R -q -e 'names(installed.packages()[, 3])' | grep rlang"
+
+# Report result
+reportResults

test/r-dependent-packages/r-ver-postcreate/DESCRIPTION

@@ -0,0 +1,5 @@
+Package: foo
+Version: 0.0.0.9000
+Suggests:
+    cli,
+    rlang

test/r-dependent-packages/r-ver-updatecontent.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -e
+
+# Optional: Import test library bundled with the devcontainer CLI
+source dev-container-features-test-lib
+
+# Feature-specific tests
+check "R cli package" bash -c "R -q -e 'names(installed.packages()[, 3])' | grep cli"
+check "R rlang package" bash -c "R -q -e 'names(installed.packages()[, 3])' | grep rlang"
+
+# Report result
+reportResults

test/r-dependent-packages/r-ver-updatecontent/DESCRIPTION

@@ -0,0 +1,5 @@
+Package: foo
+Version: 0.0.0.9000
+Suggests:
+    cli,
+    rlang

test/r-dependent-packages/scenarios.json

@@ -6,5 +6,23 @@
 				"manifestRoot": ".devcontainer"
 			}
 		}
+	},
+	"r-ver-postcreate": {
+		"image": "rocker/r-ver:4",
+		"features": {
+			"r-dependent-packages": {
+				"manifestRoot": ".devcontainer",
+				"when": "postCreate"
+			}
+		}
+	},
+	"r-ver-updatecontent": {
+		"image": "rocker/r-ver:4",
+		"features": {
+			"r-dependent-packages": {
+				"manifestRoot": ".devcontainer",
+				"when": "updateContent"
+			}
+		}
 	}
 }