Fixes #8952: Add generic methods using new package promises

tests/acceptance/30_generic_methods/package.module

@@ -0,0 +1,70 @@
+#!/bin/sh
+
+set -e
+
+case "$1" in
+    supports-api-version)
+        echo 1
+        ;;
+    get-package-data)
+        while read line; do
+            case "$line" in
+                File=*)
+                    echo PackageType=repo
+                    echo Name=${line#File=}
+                    ;;
+                *)
+                    true
+                    ;;
+            esac
+        done
+        ;;
+    list-installed)
+        while read line; do
+            case "$line" in
+                options=*)
+                    OUTPUT=${line#options=}
+                    ;;
+                *)
+                    exit 1
+                    ;;
+            esac
+        done
+        if [ -f "$OUTPUT" ]; then
+            cat "$OUTPUT"
+        fi
+        ;;
+    list-*)
+        # Drain input.
+        cat > /dev/null
+        ;;
+    repo-install)
+        while read line; do
+            case "$line" in
+                options=*)
+                    OUTPUT=${line#options=}
+                    ;;
+                Name=*)
+                    NAME="${line#Name=}"
+                    ;;
+                Version=*)
+                    VERSION="${line#Version=}"
+                    ;;
+                Architecture=*)
+                    ARCHITECTURE="${line#Architecture=}"
+                    ;;
+                *)
+                    exit 1
+                    ;;
+            esac
+        done
+        echo "Name=$NAME" >> "$OUTPUT"
+        echo "Version=$VERSION" >> "$OUTPUT"
+        echo "Architecture=$ARCHITECTURE" >> "$OUTPUT"
+        ;;
+    *)
+        exit 1
+        ;;
+esac
+
+exit 0

tests/acceptance/30_generic_methods/package_present.cf

@@ -0,0 +1,57 @@
+bundle common acc_path
+{
+  vars:
+    "root" string => getenv("NCF_TESTS_ACCEPTANCE", 1024);
+}
+
+body common control
+{
+      inputs => { "${acc_path.root}/default.cf.sub", "${acc_path.root}/default_ncf.cf.sub", "@{ncf_inputs.default_files}" };
+      bundlesequence  => { configuration, default("${this.promise_filename}") };
+      version => "1.0";
+}
+
+
+bundle agent init
+{
+  files:
+      "$(sys.workdir)/modules/packages/."
+        create => "true";
+      "$(sys.workdir)/modules/packages/test"
+        copy_from => local_cp("$(this.promise_dirname)/package.module"),
+        perms => m("ugo+x");
+}
+
+
+bundle agent test
+{
+
+  methods:
+    # version
+    "any" usebundle => package_present("package_1", "", "", "test");
+    "any" usebundle => package_present("package_2", "3.3", "", "test"); 
+    "any" usebundle => package_present("package_3", "latest", "", "test");
+    "any" usebundle => package_present("package_4", "any", "", "test");
+    # architecture
+    "any" usebundle => package_present("package_5", "", "x86_64", "test"); 
+    "any" usebundle => package_present("package_6", "6.5", "i686", "test");
+    "any" usebundle => package_present("package_7", "6.5", "default", "test");
+}
+
+bundle agent check {
+
+  vars:
+    "file_diff_test" string => "/usr/bin/diff \"${this.promise_filename}.expected\" \"${sys.workdir}/tmp/TEST.cfengine\"";
+
+  classes:
+     "ok" expression => returnszero("${file_diff_test}", "useshell"),
+     ifvarclass => "package_present_package_1_reached";
+
+  reports:
+    ok::
+      "$(this.promise_filename) Pass";
+    !ok::
+      "$(this.promise_filename) FAIL";
+
+}
+

tests/acceptance/30_generic_methods/package_present.cf.expected

@@ -0,0 +1,21 @@
+Name=package_1
+Version=
+Architecture=
+Name=package_2
+Version=3.3
+Architecture=
+Name=package_3
+Version=
+Architecture=
+Name=package_4
+Version=
+Architecture=
+Name=package_5
+Version=
+Architecture=x86_64
+Name=package_6
+Version=6.5
+Architecture=i686
+Name=package_7
+Version=6.5
+Architecture=