test: add blackbox tests for bob layers

test/black-box/layers-checkout/__layers/bar/2/recipes/bar.yaml

@@ -0,0 +1,3 @@
+packageScript: "/bin/true"
+provideVars:
+  BAR_VERSION: "2"

test/black-box/layers-checkout/__layers/baz/1/recipes/baz.yaml

@@ -0,0 +1,3 @@
+packageScript: "/bin/true"
+provideVars:
+  BAZ_VERSION: "1"

test/black-box/layers-checkout/__layers/baz/2/recipes/baz.yaml

@@ -0,0 +1,3 @@
+packageScript: "/bin/true"
+provideVars:
+  BAZ_VERSION: "2"

test/black-box/layers-checkout/__layers/foo/config.yaml

@@ -0,0 +1,9 @@
+layers:
+  - bar:
+      checkoutSCM:
+        scm: import
+        url: "__layers/bar/2"
+  - baz:
+      checkoutSCM:
+        scm: import
+        url: "__layers/baz/1"

test/black-box/layers-checkout/__layers/foo/recipes/foo.yaml

@@ -0,0 +1,2 @@
+buildScript: "true"
+packageScript: "true"

test/black-box/layers-checkout/config.yaml

@@ -0,0 +1,10 @@
+layers:
+  - foo:
+      checkoutSCM:
+        scm: import
+        url: "__layers/foo"
+  - bar:
+      checkoutSCM:
+        scm: git
+        url: "file://${BAR_DIR}"
+        commit: "${BAR_COMMIT}"

test/black-box/layers-checkout/recipes/root.yaml

@@ -0,0 +1,11 @@
+root: True
+
+depends:
+  - name: bar
+    use: [environment]
+
+buildVars: [BAR_VERSION]
+buildScript: |
+  echo "${BAR_VERSION}" > bar
+packageScript: |
+  cp $1/bar .

test/black-box/layers-checkout/run.sh

@@ -0,0 +1,53 @@
+#!/bin/bash -e
+. ../../test-lib.sh 2>/dev/null || { echo "Must run in script directory!" ; exit 1 ; }
+
+bar_dir=$(mktemp -d)
+trap 'rm -rf "$bar_dir" layers layers.attic log-status.txt' EXIT
+cleanup
+
+# build the git layer bar/1
+pushd ${bar_dir}
+mkdir recipes
+cat > recipes/bar.yaml << EOF
+packageScript: "/bin/true"
+provideVars: 
+  BAR_VERSION: "1"
+EOF
+git init .
+git config user.email "[email protected]"
+git config user.name est
+
+git add .
+git commit -m "first commit"
+bar_c0=$(git rev-parse HEAD)
+
+sed -i 's/BAR_VERSION: "1"/BAR_VERSION: "3"/g' recipes/bar.yaml
+git commit -a -m "bump bar"
+bar_c1=$(git rev-parse HEAD)
+popd # ${bar_dir}
+
+# just build the root recipe. Layer should be fetched automatically.
+run_bob dev root -DBAR_COMMIT=${bar_c0} -DBAR_DIR=${bar_dir}
+
+# run update
+run_bob layers update -DBAR_COMMIT=${bar_c0} -DBAR_DIR=${bar_dir}
+
+# remove layers + clean
+cleanup
+rm -rf layers
+
+# run update - should fetch layers
+run_bob layers update -DBAR_COMMIT=${bar_c0} -DBAR_DIR=${bar_dir}
+
+# make some changes in layers
+echo "#foo" >> layers/bar/recipes/bar.yaml
+
+run_bob layers status -DBAR_COMMIT=${bar_c0} -DBAR_DIR=${bar_dir} | tee log-status.txt
+grep -q 'STATUS.\+M.\+[/\]bar' log-status.txt 
+
+# update bar to new revision (bar will be moved to attic)
+run_bob layers update -DBAR_COMMIT=${bar_c1} -DBAR_DIR=${bar_dir}
+expect_exist layers.attic
+
+bar_now=$(git -C layers/bar rev-parse HEAD)
+expect_equal ${bar_c1} ${bar_now}