1 files changed, 93 insertions, 0 deletions
diff --git a/_test/lib/test_tokens.py b/_test/lib/test_tokens.py
new file mode 100644
index 0000000..8c213fd
--- /dev/null
+++ b/_test/lib/test_tokens.py
@@ -0,0 +1,93 @@
+# Skipped because we have no idea where all those fixtures originate
+import pytest
+
+pytestmark = pytest.mark.skip
+
+import pprint
+
+import ruyaml
+
+# Tokens mnemonic:
+# directive:            %
+# document_start:       ---
+# document_end:         ...
+# alias:                *
+# anchor:               &
+# tag:                  !
+# scalar                _
+# block_sequence_start: [[
+# block_mapping_start:  {{
+# block_end:            ]}
+# flow_sequence_start:  [
+# flow_sequence_end:    ]
+# flow_mapping_start:   {
+# flow_mapping_end:     }
+# entry:                ,
+# key:                  ?
+# value:                :
+
+_replaces = {
+    ruyaml.DirectiveToken: '%',
+    ruyaml.DocumentStartToken: '---',
+    ruyaml.DocumentEndToken: '...',
+    ruyaml.AliasToken: '*',
+    ruyaml.AnchorToken: '&',
+    ruyaml.TagToken: '!',
+    ruyaml.ScalarToken: '_',
+    ruyaml.BlockSequenceStartToken: '[[',
+    ruyaml.BlockMappingStartToken: '{{',
+    ruyaml.BlockEndToken: ']}',
+    ruyaml.FlowSequenceStartToken: '[',
+    ruyaml.FlowSequenceEndToken: ']',
+    ruyaml.FlowMappingStartToken: '{',
+    ruyaml.FlowMappingEndToken: '}',
+    ruyaml.BlockEntryToken: ',',
+    ruyaml.FlowEntryToken: ',',
+    ruyaml.KeyToken: '?',
+    ruyaml.ValueToken: ':',
+}
+
+
+def test_tokens(data_filename, tokens_filename, verbose=False):
+    tokens1 = []
+    with open(tokens_filename, 'r') as fp:
+        tokens2 = fp.read().split()
+    try:
+        yaml = ruyaml.YAML(typ='unsafe', pure=True)
+        with open(data_filename, 'rb') as fp1:
+            for token in yaml.scan(fp1):
+                if not isinstance(
+                    token, (ruyaml.StreamStartToken, ruyaml.StreamEndToken)
+                ):
+                    tokens1.append(_replaces[token.__class__])
+    finally:
+        if verbose:
+            print('TOKENS1:', ' '.join(tokens1))
+            print('TOKENS2:', ' '.join(tokens2))
+    assert len(tokens1) == len(tokens2), (tokens1, tokens2)
+    for token1, token2 in zip(tokens1, tokens2):
+        assert token1 == token2, (token1, token2)
+
+
+test_tokens.unittest = ['.data', '.tokens']
+
+
+def test_scanner(data_filename, canonical_filename, verbose=False):
+    for filename in [data_filename, canonical_filename]:
+        tokens = []
+        try:
+            yaml = ruyaml.YAML(typ='unsafe', pure=False)
+            with open(filename, 'rb') as fp:
+                for token in yaml.scan(fp):
+                    tokens.append(token.__class__.__name__)
+        finally:
+            if verbose:
+                pprint.pprint(tokens)
+
+
+test_scanner.unittest = ['.data', '.canonical']
+
+if __name__ == '__main__':
+    import test_appliance
+
+    test_appliance.run(globals())