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-rw-r--r--tests/internals/__init__.py0
-rw-r--r--tests/internals/yaml.py413
-rw-r--r--tests/internals/yaml/basics.yaml26
-rw-r--r--tests/internals/yaml/composite.yaml10
-rw-r--r--tests/internals/yaml/convert_value_to_str.yaml4
-rw-r--r--tests/internals/yaml/implicitoverwrite.yaml6
-rw-r--r--tests/internals/yaml/invalid.yaml8
-rw-r--r--tests/internals/yaml/listappend.yaml7
-rw-r--r--tests/internals/yaml/listappendprepend.yaml12
-rw-r--r--tests/internals/yaml/listoverwrite.yaml7
-rw-r--r--tests/internals/yaml/listoverwriteempty.yaml3
-rw-r--r--tests/internals/yaml/listprepend.yaml7
-rw-r--r--tests/internals/yaml/secondappend.yaml7
-rw-r--r--tests/internals/yaml/secondprepend.yaml7
14 files changed, 517 insertions, 0 deletions
diff --git a/tests/internals/__init__.py b/tests/internals/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/tests/internals/__init__.py
diff --git a/tests/internals/yaml.py b/tests/internals/yaml.py
new file mode 100644
index 000000000..bc513deb4
--- /dev/null
+++ b/tests/internals/yaml.py
@@ -0,0 +1,413 @@
+import os
+import pytest
+import tempfile
+from collections.abc import Mapping
+
+from buildstream import _yaml
+from buildstream._exceptions import LoadError, LoadErrorReason
+from buildstream._context import Context
+from buildstream._yamlcache import YamlCache
+
+DATA_DIR = os.path.join(
+ os.path.dirname(os.path.realpath(__file__)),
+ 'yaml',
+)
+
+
+@pytest.mark.datafiles(os.path.join(DATA_DIR))
+def test_load_yaml(datafiles):
+
+ filename = os.path.join(datafiles.dirname,
+ datafiles.basename,
+ 'basics.yaml')
+
+ loaded = _yaml.load(filename)
+ assert(loaded.get('kind') == 'pony')
+
+
+def assert_provenance(filename, line, col, node, key=None, indices=[]):
+ provenance = _yaml.node_get_provenance(node, key=key, indices=indices)
+
+ if key:
+ if indices:
+ assert(isinstance(provenance, _yaml.ElementProvenance))
+ else:
+ assert(isinstance(provenance, _yaml.MemberProvenance))
+ else:
+ assert(isinstance(provenance, _yaml.DictProvenance))
+
+ assert(provenance.filename.shortname == filename)
+ assert(provenance.line == line)
+ assert(provenance.col == col)
+
+
+@pytest.mark.datafiles(os.path.join(DATA_DIR))
+def test_basic_provenance(datafiles):
+
+ filename = os.path.join(datafiles.dirname,
+ datafiles.basename,
+ 'basics.yaml')
+
+ loaded = _yaml.load(filename)
+ assert(loaded.get('kind') == 'pony')
+
+ assert_provenance(filename, 1, 0, loaded)
+
+
+@pytest.mark.datafiles(os.path.join(DATA_DIR))
+def test_member_provenance(datafiles):
+
+ filename = os.path.join(datafiles.dirname,
+ datafiles.basename,
+ 'basics.yaml')
+
+ loaded = _yaml.load(filename)
+ assert(loaded.get('kind') == 'pony')
+ assert_provenance(filename, 2, 13, loaded, 'description')
+
+
+@pytest.mark.datafiles(os.path.join(DATA_DIR))
+def test_element_provenance(datafiles):
+
+ filename = os.path.join(datafiles.dirname,
+ datafiles.basename,
+ 'basics.yaml')
+
+ loaded = _yaml.load(filename)
+ assert(loaded.get('kind') == 'pony')
+ assert_provenance(filename, 5, 2, loaded, 'moods', [1])
+
+
+@pytest.mark.datafiles(os.path.join(DATA_DIR))
+def test_node_validate(datafiles):
+
+ valid = os.path.join(datafiles.dirname,
+ datafiles.basename,
+ 'basics.yaml')
+ invalid = os.path.join(datafiles.dirname,
+ datafiles.basename,
+ 'invalid.yaml')
+
+ base = _yaml.load(valid)
+
+ _yaml.node_validate(base, ['kind', 'description', 'moods', 'children', 'extra'])
+
+ base = _yaml.load(invalid)
+
+ with pytest.raises(LoadError) as exc:
+ _yaml.node_validate(base, ['kind', 'description', 'moods', 'children', 'extra'])
+
+ assert (exc.value.reason == LoadErrorReason.INVALID_DATA)
+
+
+@pytest.mark.datafiles(os.path.join(DATA_DIR))
+def test_node_get(datafiles):
+
+ filename = os.path.join(datafiles.dirname,
+ datafiles.basename,
+ 'basics.yaml')
+
+ base = _yaml.load(filename)
+ assert(base.get('kind') == 'pony')
+
+ children = _yaml.node_get(base, list, 'children')
+ assert(isinstance(children, list))
+ assert(len(children) == 7)
+
+ child = _yaml.node_get(base, Mapping, 'children', indices=[6])
+ assert_provenance(filename, 20, 8, child, 'mood')
+
+ extra = _yaml.node_get(base, Mapping, 'extra')
+ with pytest.raises(LoadError) as exc:
+ wrong = _yaml.node_get(extra, Mapping, 'old')
+
+ assert (exc.value.reason == LoadErrorReason.INVALID_DATA)
+
+
+# Really this is testing _yaml.node_chain_copy(), we want to
+# be sure that when using a ChainMap copy, compositing values
+# still preserves the original values in the copied dict.
+#
+@pytest.mark.datafiles(os.path.join(DATA_DIR))
+def test_composite_preserve_originals(datafiles):
+
+ filename = os.path.join(datafiles.dirname,
+ datafiles.basename,
+ 'basics.yaml')
+ overlayfile = os.path.join(datafiles.dirname,
+ datafiles.basename,
+ 'composite.yaml')
+
+ base = _yaml.load(filename)
+ overlay = _yaml.load(overlayfile)
+ base_copy = _yaml.node_chain_copy(base)
+ _yaml.composite_dict(base_copy, overlay)
+
+ copy_extra = _yaml.node_get(base_copy, Mapping, 'extra')
+ orig_extra = _yaml.node_get(base, Mapping, 'extra')
+
+ # Test that the node copy has the overridden value...
+ assert(_yaml.node_get(copy_extra, str, 'old') == 'override')
+
+ # But the original node is not effected by the override.
+ assert(_yaml.node_get(orig_extra, str, 'old') == 'new')
+
+
+def load_yaml_file(filename, *, cache_path, shortname=None, from_cache='raw'):
+
+ _, temppath = tempfile.mkstemp(dir=os.path.join(cache_path.dirname, cache_path.basename), text=True)
+ context = Context()
+
+ with YamlCache.open(context, temppath) as yc:
+ if from_cache == 'raw':
+ return _yaml.load(filename, shortname)
+ elif from_cache == 'cached':
+ _yaml.load(filename, shortname, yaml_cache=yc)
+ return _yaml.load(filename, shortname, yaml_cache=yc)
+ else:
+ assert False
+
+
+# Tests for list composition
+#
+# Each test composits a filename on top of basics.yaml, and tests
+# the toplevel children list at the specified index
+#
+# Parameters:
+# filename: The file to composite on top of basics.yaml
+# index: The index in the children list
+# length: The expected length of the children list
+# mood: The expected value of the mood attribute of the dictionary found at index in children
+# prov_file: The expected provenance filename of "mood"
+# prov_line: The expected provenance line of "mood"
+# prov_col: The expected provenance column of "mood"
+#
+@pytest.mark.datafiles(os.path.join(DATA_DIR))
+@pytest.mark.parametrize('caching', [('raw'), ('cached')])
+@pytest.mark.parametrize("filename,index,length,mood,prov_file,prov_line,prov_col", [
+
+ # Test results of compositing with the (<) prepend directive
+ ('listprepend.yaml', 0, 9, 'prepended1', 'listprepend.yaml', 5, 10),
+ ('listprepend.yaml', 1, 9, 'prepended2', 'listprepend.yaml', 7, 10),
+ ('listprepend.yaml', 2, 9, 'silly', 'basics.yaml', 8, 8),
+ ('listprepend.yaml', 8, 9, 'sleepy', 'basics.yaml', 20, 8),
+
+ # Test results of compositing with the (>) append directive
+ ('listappend.yaml', 7, 9, 'appended1', 'listappend.yaml', 5, 10),
+ ('listappend.yaml', 8, 9, 'appended2', 'listappend.yaml', 7, 10),
+ ('listappend.yaml', 0, 9, 'silly', 'basics.yaml', 8, 8),
+ ('listappend.yaml', 6, 9, 'sleepy', 'basics.yaml', 20, 8),
+
+ # Test results of compositing with both (<) and (>) directives
+ ('listappendprepend.yaml', 0, 11, 'prepended1', 'listappendprepend.yaml', 5, 10),
+ ('listappendprepend.yaml', 1, 11, 'prepended2', 'listappendprepend.yaml', 7, 10),
+ ('listappendprepend.yaml', 2, 11, 'silly', 'basics.yaml', 8, 8),
+ ('listappendprepend.yaml', 8, 11, 'sleepy', 'basics.yaml', 20, 8),
+ ('listappendprepend.yaml', 9, 11, 'appended1', 'listappendprepend.yaml', 10, 10),
+ ('listappendprepend.yaml', 10, 11, 'appended2', 'listappendprepend.yaml', 12, 10),
+
+ # Test results of compositing with the (=) overwrite directive
+ ('listoverwrite.yaml', 0, 2, 'overwrite1', 'listoverwrite.yaml', 5, 10),
+ ('listoverwrite.yaml', 1, 2, 'overwrite2', 'listoverwrite.yaml', 7, 10),
+
+ # Test results of compositing without any directive, implicitly overwriting
+ ('implicitoverwrite.yaml', 0, 2, 'overwrite1', 'implicitoverwrite.yaml', 4, 8),
+ ('implicitoverwrite.yaml', 1, 2, 'overwrite2', 'implicitoverwrite.yaml', 6, 8),
+])
+def test_list_composition(datafiles, filename, tmpdir,
+ index, length, mood,
+ prov_file, prov_line, prov_col, caching):
+ base_file = os.path.join(datafiles.dirname, datafiles.basename, 'basics.yaml')
+ overlay_file = os.path.join(datafiles.dirname, datafiles.basename, filename)
+
+ base = load_yaml_file(base_file, cache_path=tmpdir, shortname='basics.yaml', from_cache=caching)
+ overlay = load_yaml_file(overlay_file, cache_path=tmpdir, shortname=filename, from_cache=caching)
+
+ _yaml.composite_dict(base, overlay)
+
+ children = _yaml.node_get(base, list, 'children')
+ assert len(children) == length
+ child = children[index]
+
+ assert child['mood'] == mood
+ assert_provenance(prov_file, prov_line, prov_col, child, 'mood')
+
+
+# Test that overwriting a list with an empty list works as expected.
+@pytest.mark.datafiles(os.path.join(DATA_DIR))
+def test_list_deletion(datafiles):
+ base = os.path.join(datafiles.dirname, datafiles.basename, 'basics.yaml')
+ overlay = os.path.join(datafiles.dirname, datafiles.basename, 'listoverwriteempty.yaml')
+
+ base = _yaml.load(base, shortname='basics.yaml')
+ overlay = _yaml.load(overlay, shortname='listoverwriteempty.yaml')
+ _yaml.composite_dict(base, overlay)
+
+ children = _yaml.node_get(base, list, 'children')
+ assert len(children) == 0
+
+
+# Tests for deep list composition
+#
+# Same as test_list_composition(), but adds an additional file
+# in between so that lists are composited twice.
+#
+# This test will to two iterations for each parameter
+# specification, expecting the same results
+#
+# First iteration:
+# composited = basics.yaml & filename1
+# composited = composited & filename2
+#
+# Second iteration:
+# composited = filename1 & filename2
+# composited = basics.yaml & composited
+#
+# Parameters:
+# filename1: The file to composite on top of basics.yaml
+# filename2: The file to composite on top of filename1
+# index: The index in the children list
+# length: The expected length of the children list
+# mood: The expected value of the mood attribute of the dictionary found at index in children
+# prov_file: The expected provenance filename of "mood"
+# prov_line: The expected provenance line of "mood"
+# prov_col: The expected provenance column of "mood"
+#
+@pytest.mark.datafiles(os.path.join(DATA_DIR))
+@pytest.mark.parametrize('caching', [('raw'), ('cached')])
+@pytest.mark.parametrize("filename1,filename2,index,length,mood,prov_file,prov_line,prov_col", [
+
+ # Test results of compositing literal list with (>) and then (<)
+ ('listprepend.yaml', 'listappend.yaml', 0, 11, 'prepended1', 'listprepend.yaml', 5, 10),
+ ('listprepend.yaml', 'listappend.yaml', 1, 11, 'prepended2', 'listprepend.yaml', 7, 10),
+ ('listprepend.yaml', 'listappend.yaml', 2, 11, 'silly', 'basics.yaml', 8, 8),
+ ('listprepend.yaml', 'listappend.yaml', 8, 11, 'sleepy', 'basics.yaml', 20, 8),
+ ('listprepend.yaml', 'listappend.yaml', 9, 11, 'appended1', 'listappend.yaml', 5, 10),
+ ('listprepend.yaml', 'listappend.yaml', 10, 11, 'appended2', 'listappend.yaml', 7, 10),
+
+ # Test results of compositing literal list with (<) and then (>)
+ ('listappend.yaml', 'listprepend.yaml', 0, 11, 'prepended1', 'listprepend.yaml', 5, 10),
+ ('listappend.yaml', 'listprepend.yaml', 1, 11, 'prepended2', 'listprepend.yaml', 7, 10),
+ ('listappend.yaml', 'listprepend.yaml', 2, 11, 'silly', 'basics.yaml', 8, 8),
+ ('listappend.yaml', 'listprepend.yaml', 8, 11, 'sleepy', 'basics.yaml', 20, 8),
+ ('listappend.yaml', 'listprepend.yaml', 9, 11, 'appended1', 'listappend.yaml', 5, 10),
+ ('listappend.yaml', 'listprepend.yaml', 10, 11, 'appended2', 'listappend.yaml', 7, 10),
+
+ # Test results of compositing literal list with (>) and then (>)
+ ('listappend.yaml', 'secondappend.yaml', 0, 11, 'silly', 'basics.yaml', 8, 8),
+ ('listappend.yaml', 'secondappend.yaml', 6, 11, 'sleepy', 'basics.yaml', 20, 8),
+ ('listappend.yaml', 'secondappend.yaml', 7, 11, 'appended1', 'listappend.yaml', 5, 10),
+ ('listappend.yaml', 'secondappend.yaml', 8, 11, 'appended2', 'listappend.yaml', 7, 10),
+ ('listappend.yaml', 'secondappend.yaml', 9, 11, 'secondappend1', 'secondappend.yaml', 5, 10),
+ ('listappend.yaml', 'secondappend.yaml', 10, 11, 'secondappend2', 'secondappend.yaml', 7, 10),
+
+ # Test results of compositing literal list with (>) and then (>)
+ ('listprepend.yaml', 'secondprepend.yaml', 0, 11, 'secondprepend1', 'secondprepend.yaml', 5, 10),
+ ('listprepend.yaml', 'secondprepend.yaml', 1, 11, 'secondprepend2', 'secondprepend.yaml', 7, 10),
+ ('listprepend.yaml', 'secondprepend.yaml', 2, 11, 'prepended1', 'listprepend.yaml', 5, 10),
+ ('listprepend.yaml', 'secondprepend.yaml', 3, 11, 'prepended2', 'listprepend.yaml', 7, 10),
+ ('listprepend.yaml', 'secondprepend.yaml', 4, 11, 'silly', 'basics.yaml', 8, 8),
+ ('listprepend.yaml', 'secondprepend.yaml', 10, 11, 'sleepy', 'basics.yaml', 20, 8),
+
+ # Test results of compositing literal list with (>) or (<) and then another literal list
+ ('listappend.yaml', 'implicitoverwrite.yaml', 0, 2, 'overwrite1', 'implicitoverwrite.yaml', 4, 8),
+ ('listappend.yaml', 'implicitoverwrite.yaml', 1, 2, 'overwrite2', 'implicitoverwrite.yaml', 6, 8),
+ ('listprepend.yaml', 'implicitoverwrite.yaml', 0, 2, 'overwrite1', 'implicitoverwrite.yaml', 4, 8),
+ ('listprepend.yaml', 'implicitoverwrite.yaml', 1, 2, 'overwrite2', 'implicitoverwrite.yaml', 6, 8),
+
+ # Test results of compositing literal list with (>) or (<) and then an explicit (=) overwrite
+ ('listappend.yaml', 'listoverwrite.yaml', 0, 2, 'overwrite1', 'listoverwrite.yaml', 5, 10),
+ ('listappend.yaml', 'listoverwrite.yaml', 1, 2, 'overwrite2', 'listoverwrite.yaml', 7, 10),
+ ('listprepend.yaml', 'listoverwrite.yaml', 0, 2, 'overwrite1', 'listoverwrite.yaml', 5, 10),
+ ('listprepend.yaml', 'listoverwrite.yaml', 1, 2, 'overwrite2', 'listoverwrite.yaml', 7, 10),
+
+ # Test results of compositing literal list an explicit overwrite (=) and then with (>) or (<)
+ ('listoverwrite.yaml', 'listappend.yaml', 0, 4, 'overwrite1', 'listoverwrite.yaml', 5, 10),
+ ('listoverwrite.yaml', 'listappend.yaml', 1, 4, 'overwrite2', 'listoverwrite.yaml', 7, 10),
+ ('listoverwrite.yaml', 'listappend.yaml', 2, 4, 'appended1', 'listappend.yaml', 5, 10),
+ ('listoverwrite.yaml', 'listappend.yaml', 3, 4, 'appended2', 'listappend.yaml', 7, 10),
+ ('listoverwrite.yaml', 'listprepend.yaml', 0, 4, 'prepended1', 'listprepend.yaml', 5, 10),
+ ('listoverwrite.yaml', 'listprepend.yaml', 1, 4, 'prepended2', 'listprepend.yaml', 7, 10),
+ ('listoverwrite.yaml', 'listprepend.yaml', 2, 4, 'overwrite1', 'listoverwrite.yaml', 5, 10),
+ ('listoverwrite.yaml', 'listprepend.yaml', 3, 4, 'overwrite2', 'listoverwrite.yaml', 7, 10),
+])
+def test_list_composition_twice(datafiles, tmpdir, filename1, filename2,
+ index, length, mood,
+ prov_file, prov_line, prov_col, caching):
+ file_base = os.path.join(datafiles.dirname, datafiles.basename, 'basics.yaml')
+ file1 = os.path.join(datafiles.dirname, datafiles.basename, filename1)
+ file2 = os.path.join(datafiles.dirname, datafiles.basename, filename2)
+
+ #####################
+ # Round 1 - Fight !
+ #####################
+ base = load_yaml_file(file_base, cache_path=tmpdir, shortname='basics.yaml', from_cache=caching)
+ overlay1 = load_yaml_file(file1, cache_path=tmpdir, shortname=filename1, from_cache=caching)
+ overlay2 = load_yaml_file(file2, cache_path=tmpdir, shortname=filename2, from_cache=caching)
+
+ _yaml.composite_dict(base, overlay1)
+ _yaml.composite_dict(base, overlay2)
+
+ children = _yaml.node_get(base, list, 'children')
+ assert len(children) == length
+ child = children[index]
+
+ assert child['mood'] == mood
+ assert_provenance(prov_file, prov_line, prov_col, child, 'mood')
+
+ #####################
+ # Round 2 - Fight !
+ #####################
+ base = load_yaml_file(file_base, cache_path=tmpdir, shortname='basics.yaml', from_cache=caching)
+ overlay1 = load_yaml_file(file1, cache_path=tmpdir, shortname=filename1, from_cache=caching)
+ overlay2 = load_yaml_file(file2, cache_path=tmpdir, shortname=filename2, from_cache=caching)
+
+ _yaml.composite_dict(overlay1, overlay2)
+ _yaml.composite_dict(base, overlay1)
+
+ children = _yaml.node_get(base, list, 'children')
+ assert len(children) == length
+ child = children[index]
+
+ assert child['mood'] == mood
+ assert_provenance(prov_file, prov_line, prov_col, child, 'mood')
+
+
+@pytest.mark.datafiles(os.path.join(DATA_DIR))
+def test_convert_value_to_string(datafiles):
+ conf_file = os.path.join(datafiles.dirname,
+ datafiles.basename,
+ 'convert_value_to_str.yaml')
+
+ # Run file through yaml to convert it
+ test_dict = _yaml.load(conf_file)
+
+ user_config = _yaml.node_get(test_dict, str, "Test1")
+ assert isinstance(user_config, str)
+ assert user_config == "1_23_4"
+
+ user_config = _yaml.node_get(test_dict, str, "Test2")
+ assert isinstance(user_config, str)
+ assert user_config == "1.23.4"
+
+ user_config = _yaml.node_get(test_dict, str, "Test3")
+ assert isinstance(user_config, str)
+ assert user_config == "1.20"
+
+ user_config = _yaml.node_get(test_dict, str, "Test4")
+ assert isinstance(user_config, str)
+ assert user_config == "OneTwoThree"
+
+
+@pytest.mark.datafiles(os.path.join(DATA_DIR))
+def test_value_doesnt_match_expected(datafiles):
+ conf_file = os.path.join(datafiles.dirname,
+ datafiles.basename,
+ 'convert_value_to_str.yaml')
+
+ # Run file through yaml to convert it
+ test_dict = _yaml.load(conf_file)
+
+ with pytest.raises(LoadError) as exc:
+ user_config = _yaml.node_get(test_dict, int, "Test4")
+ assert exc.value.reason == LoadErrorReason.INVALID_DATA
diff --git a/tests/internals/yaml/basics.yaml b/tests/internals/yaml/basics.yaml
new file mode 100644
index 000000000..e57d2163a
--- /dev/null
+++ b/tests/internals/yaml/basics.yaml
@@ -0,0 +1,26 @@
+kind: pony
+description: The vehicle of choice for rainbow travel
+moods:
+- happy
+- sad
+children:
+- name: dopey
+ mood: silly
+- name: grumpy
+ mood: grumpy
+- name: happy
+ mood: happy
+- name: doc
+ mood: happy
+- name: sneezy
+ mood: curious
+- name: bashful
+ mood: bashful
+- name: sleepy
+ mood: sleepy
+extra:
+ this: that
+ old: new
+
+
+
diff --git a/tests/internals/yaml/composite.yaml b/tests/internals/yaml/composite.yaml
new file mode 100644
index 000000000..d98456fd5
--- /dev/null
+++ b/tests/internals/yaml/composite.yaml
@@ -0,0 +1,10 @@
+kind: horse
+description: The horse you ride
+children:
+- name: extra
+ mood: funny
+extra:
+ old: override
+ another:
+ one: one
+ two: two
diff --git a/tests/internals/yaml/convert_value_to_str.yaml b/tests/internals/yaml/convert_value_to_str.yaml
new file mode 100644
index 000000000..4a59e3287
--- /dev/null
+++ b/tests/internals/yaml/convert_value_to_str.yaml
@@ -0,0 +1,4 @@
+Test1: 1_23_4
+Test2: 1.23.4
+Test3: 1.20
+Test4: OneTwoThree
diff --git a/tests/internals/yaml/implicitoverwrite.yaml b/tests/internals/yaml/implicitoverwrite.yaml
new file mode 100644
index 000000000..957d2c084
--- /dev/null
+++ b/tests/internals/yaml/implicitoverwrite.yaml
@@ -0,0 +1,6 @@
+# Composited on top of basics.yaml, overwriting its children list
+children:
+- name: overwrite1
+ mood: overwrite1
+- name: overwrite2
+ mood: overwrite2
diff --git a/tests/internals/yaml/invalid.yaml b/tests/internals/yaml/invalid.yaml
new file mode 100644
index 000000000..bc7f1ae22
--- /dev/null
+++ b/tests/internals/yaml/invalid.yaml
@@ -0,0 +1,8 @@
+kind: pony
+description: The vehicle of choice for rainbow travel
+mods:
+ - happy
+ - sad
+children:
+ - naam: dopey
+ mood: silly
diff --git a/tests/internals/yaml/listappend.yaml b/tests/internals/yaml/listappend.yaml
new file mode 100644
index 000000000..169308c54
--- /dev/null
+++ b/tests/internals/yaml/listappend.yaml
@@ -0,0 +1,7 @@
+# Composited on top of basics.yaml, appending to its children list
+children:
+ (>):
+ - name: appended1
+ mood: appended1
+ - name: appended2
+ mood: appended2
diff --git a/tests/internals/yaml/listappendprepend.yaml b/tests/internals/yaml/listappendprepend.yaml
new file mode 100644
index 000000000..7e4b59a9c
--- /dev/null
+++ b/tests/internals/yaml/listappendprepend.yaml
@@ -0,0 +1,12 @@
+# Composited on top of basics.yaml, prepending and appending to its children list
+children:
+ (<):
+ - name: prepended1
+ mood: prepended1
+ - name: prepended2
+ mood: prepended2
+ (>):
+ - name: appended1
+ mood: appended1
+ - name: appended2
+ mood: appended2
diff --git a/tests/internals/yaml/listoverwrite.yaml b/tests/internals/yaml/listoverwrite.yaml
new file mode 100644
index 000000000..eb9d7b1d9
--- /dev/null
+++ b/tests/internals/yaml/listoverwrite.yaml
@@ -0,0 +1,7 @@
+# Composited on top of basics.yaml, overwriting its children list
+children:
+ (=):
+ - name: overwrite1
+ mood: overwrite1
+ - name: overwrite2
+ mood: overwrite2
diff --git a/tests/internals/yaml/listoverwriteempty.yaml b/tests/internals/yaml/listoverwriteempty.yaml
new file mode 100644
index 000000000..f97a1eafe
--- /dev/null
+++ b/tests/internals/yaml/listoverwriteempty.yaml
@@ -0,0 +1,3 @@
+# Composited on top of basics.yaml, effectively deleting its children list
+children:
+ (=): []
diff --git a/tests/internals/yaml/listprepend.yaml b/tests/internals/yaml/listprepend.yaml
new file mode 100644
index 000000000..a19a9d5d7
--- /dev/null
+++ b/tests/internals/yaml/listprepend.yaml
@@ -0,0 +1,7 @@
+# Composited on top of basics.yaml, prepending to its children list
+children:
+ (<):
+ - name: prepended1
+ mood: prepended1
+ - name: prepended2
+ mood: prepended2
diff --git a/tests/internals/yaml/secondappend.yaml b/tests/internals/yaml/secondappend.yaml
new file mode 100644
index 000000000..20cfc1ad6
--- /dev/null
+++ b/tests/internals/yaml/secondappend.yaml
@@ -0,0 +1,7 @@
+# Composited on top of listappend.yaml, appending to its children list
+children:
+ (>):
+ - name: secondappend1
+ mood: secondappend1
+ - name: secondappend2
+ mood: secondappend2
diff --git a/tests/internals/yaml/secondprepend.yaml b/tests/internals/yaml/secondprepend.yaml
new file mode 100644
index 000000000..5be8b9e72
--- /dev/null
+++ b/tests/internals/yaml/secondprepend.yaml
@@ -0,0 +1,7 @@
+# Composited on top of listprepend.yaml, prepending to its children list
+children:
+ (<):
+ - name: secondprepend1
+ mood: secondprepend1
+ - name: secondprepend2
+ mood: secondprepend2
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