Added tests for SCH errors.

tests/board_samples/error_eof.sch

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+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp

tests/board_samples/error_no_eelayer.sch

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+EESchema Schematic File Version 4
+EELAYER END
+

tests/board_samples/error_no_eelayer_end.sch

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+EESchema Schematic File Version 4
+EELAYER 30 0
+$Descr A4 11693 8268
+

tests/board_samples/error_unknown_def.sch

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+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Cito
+

tests/test_plot/test_sch_errors.py

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+"""
+Tests SCH errors
+
+
+For debug information use:
+pytest-3 --log-cli-level debug
+"""
+
+import os
+import sys
+# Look for the 'utils' module from where the script is running
+prev_dir = os.path.dirname(os.path.abspath(__file__))
+sys.path.insert(0, os.path.dirname(prev_dir))
+# Utils import
+from utils import context
+sys.path.insert(0, os.path.dirname(prev_dir))
+from kiplot.misc import CORRUPTED_SCH
+
+
+def setup_ctx(test, file, error):
+    test = 'sch_errors_'+test
+    ctx = context.TestContextSCH('test_'+test, file, 'int_bom_simple_csv', None)
+    ctx.run(CORRUPTED_SCH)
+    ctx.search_err(error)
+    ctx.clean_up()
+
+
+def test_sch_errors_no_signature():
+    setup_ctx('no_signature', '3Rs', 'No eeschema signature')
+
+
+def test_sch_errors_no_eelayer():
+    setup_ctx('no_eelayer', 'error_no_eelayer', 'Missing EELAYER')
+
+
+def test_sch_errors_no_eelayer_end():
+    setup_ctx('no_eelayer_end', 'error_no_eelayer_end', 'Missing EELAYER END')
+
+
+def test_sch_errors_unknown_def():
+    setup_ctx('unknown_def', 'error_unknown_def', 'Unknown definition')
+
+
+def test_sch_errors_eof():
+    setup_ctx('eof', 'error_eof', 'Unexpected end of file')
+
+
+
+