# -*- coding: utf-8 -*-
"""
Tests for correct interpretation of vizier-type expressions.
"""

#c Copyright 2008-2024, the GAVO project <gavo@ari.uni-heidelberg.de>
#c
#c This program is free software, covered by the GNU GPL.  See the
#c COPYING file in the source distribution.


import datetime
import sys

from gavo.helpers import testhelpers

from gavo import base
from gavo import rsc
from gavo import svcs
from gavo.svcs import vizierexprs
from gavo.svcs import inputdef

import tresc


MS = base.makeStruct


class GoodSyntaxTest(testhelpers.VerboseTest,
		metaclass=testhelpers.SamplesBasedAutoTest):
	def _runTest(self, sample):
		expr, res = sample
		try:
			found = str(self.parse(expr))
			self.assertEqual(found, res, "%r != expectation %r on example %r"%(
				found, res, expr))
		except vizierexprs.ParseException:
			raise AssertionError("%s doesn't parse"%expr)
		except:
			sys.stderr.write("\nFailed example is %s\n"%expr)
			raise


class BadSyntaxTest(testhelpers.VerboseTest,
		metaclass=testhelpers.SamplesBasedAutoTest):
	def _runTest(self, expr):
		self.assertRaisesVerbose(vizierexprs.ParseException,
			self.parse, (expr,), "%s is bad but was accepted"%expr)


class SimpleFloatParsesTest(GoodSyntaxTest):
	def parse(self, val):
		return vizierexprs.parseNumericExpr(val)

	samples = [
		("1", "(= 1)"),
		("> 1.5", "(> 1.5)"),
		(">-1", "(> -1)"),
		(">=-4.5", "(>= -4.5)"),
		("!=1", "(NOT (= 1))"),  # This one's complex in our implementation
		("<1", "(< 1)"),
		("<=1", "(<= 1)"),
		("1 .. 2", "(.. 1 2)"),
		("1. .. 2", "(.. 1.0 2)"),
		("1 +/- 2", "(.. -1 3)"),
		("1. +/-2", "(.. -1.0 3.0)"),
		("1. ±  2", "(.. -1.0 3.0)"),
		("1,2", "(, 1 2)"),
		("1,2,3", "(, 1 2 3)"),
	]


class SimpleFloatFailsTest(BadSyntaxTest):
	def parse(self, val):
		return vizierexprs.parseNumericExpr(val)
	
	samples = [
		"a1",
		"< x",
		"12ea",
		".. 1",
		"1 ..",
		"1 .. x",
		"y .. 1",
		".. ..",
		"1 .. 2 ..",
		"1 .. 2 ..",
		"+/- 1",
		"1 +/-",
		"1 +/- x",
		"y +/- 1",
		",",
		"1,",
		"1,2,",
		",1"]


class ComplexFloatExpressionTest(GoodSyntaxTest):
	def parse(self, val):
		return vizierexprs.parseNumericExpr(val)

	samples = [
			("! 1", "(NOT (= 1))"),
			("! = 1", "(NOT (= 1))"),
			("! 1 .. 2", "(NOT (.. 1 2))"),
			("! < 1", "(NOT (< 1))"),
			("!>=1", "(NOT (>= 1))"),
			(">1 & <3", "(AND (> 1) (< 3))"),
			("1 .. 2 & 1.5 +/- 0.5", "(AND (.. 1 2) (.. 1.0 2.0))"),
			(">1 | <3", "(OR (> 1) (< 3))"),
			("1 .. 2 | 1.5 +/- 0.5", "(OR (.. 1 2) (.. 1.0 2.0))"),
			("! 1 & 2", "(AND (NOT (= 1)) (= 2))"),
			("! 1 & 2 | < 0", "(OR (AND (NOT (= 1)) (= 2)) (< 0))"),
	]


class ComplexFloatFailureTest(BadSyntaxTest):
	def parse(self, val):
		return vizierexprs.parseNumericExpr(val)

	samples = [
		"!",
		"!!",
		"!a",
		"&",
		"1 &",
		"& 1",
		"2 .. & 3",
		"|",
		"1 |",
		"| 1",
		"2 .. | 3"]
	

class ComplexDateExpresionTest(GoodSyntaxTest):
	def parse(self, val):
		return vizierexprs.parseDateExpr(val)

	# rather short because most of the grammar is shared with the floats
	# tested above.
	samples = [
			("2003-11-19", "(= 2003-11-19 00:00:00)"),
			("2003-11-19..2003-12-15",
				"(.. 2003-11-19 00:00:00 2003-12-15 00:00:00)"),
			("2003-11-19 +/- 3",
				"(.. 2003-11-16 00:00:00 2003-11-22 00:00:00)"),
	]


class StringParseTest(GoodSyntaxTest):
	def parse(self, val):
		return vizierexprs.parseStringExpr(val)

	samples = [
			("NGC", "(== NGC)"),
			("==NGC", "(== NGC)"),
			("~NGC", "(~ NGC)"),
			("!=     NGC", "(!= NGC)"),
			(">= M 51", "(>= M 51)"),
			("<= B*", "(<= B*)"),
			("< B*", "(< B*)"),
			("> Q3489+2901", "(> Q3489+2901)"),
			("> >foo<", "(> >foo<)"),
			("=,A,B,C", "(=, A B C)"),
			("!=,A,B,C", "(!=, A B C)"),
			("=|A|B|C", "(=| A B C)"),
			("=|1,2,3|B|C", "(=| 1,2,3 B C)"),
			("=|1, 2, 3|B|C", "(=| 1, 2, 3 B C)"),
			("=,1, 2, 3|B|C", "(=, 1 2 3|B|C)"),
			("NGC*", "(== NGC*)"),
			("~NGC*", "(~ NGC (* ))"),
			("~ NGC*", "(~ NGC (* ))"),
			("~NG?*", "(~ NG (? ) (* ))"),
			("~NG[A-Z]*", "(~ NG ([ A-Z) (* ))"),
			("~NG[^A-Za-z]*", "(~ NG ([ ^A-Za-z) (* ))"),
			("~NG[^ -A]*", "(~ NG ([ ^ -A) (* ))"),
	]


class StringFailureTest(BadSyntaxTest):
	def parse(self, val):
		return vizierexprs.parseStringExpr(val)

	samples = [
		"=,a,b,",
		"~ [a",
	]


class _SQLGenerTest(testhelpers.VerboseTest,
		metaclass=testhelpers.SamplesBasedAutoTest):
	def _runTest(self, sample):
		inValue, expectedSQL, expectedPars = sample
		foundPars = {}
		foundExpr = base.getSQLForField(
			self.protoField, {"foo": inValue}, foundPars)
		self.assertEqual(foundExpr, expectedSQL)
		if expectedPars is not None:
			self.assertEqual(foundPars, expectedPars)


class SimpleNumericSQLGenerTest(_SQLGenerTest):
	protoField = MS(inputdef.InputKey, name="foo", type="vexpr-float")

	samples = [
		("8", "foo = %(foo0)s", {"foo0": 8.0}),
		("=8", "foo = %(foo0)s", {"foo0": 8.0}),
		("!=8", "NOT (foo = %(foo0)s)", {"foo0": 8.0}),
		("< 8", "foo < %(foo0)s", {"foo0": 8.0}),]


class ComplexNumericSQLGenerTest(_SQLGenerTest):
	protoField = MS(inputdef.InputKey, name="foo", type="vexpr-float")
	samples =  [
		("< 8 | > 15", "(foo < %(foo0)s) OR (foo > %(foo1)s)",
			{"foo0": 8.0, "foo1": 15}),
		("< 8 & > 15", "(foo < %(foo0)s) AND (foo > %(foo1)s)", None),
		("8, 9, 10", "foo IN (%(foo0)s, %(foo1)s, %(foo2)s)",
			{"foo0": 8.0, "foo1": 9.0, "foo2": 10.0}),
		("8 .. 10", "foo BETWEEN %(foo0)s AND %(foo1)s", None),
		("8 +/- 2", "foo BETWEEN %(foo0)s AND %(foo1)s",
			{"foo0": 6.0, "foo1": 10.0}),]


class DateSQLGenerTest(_SQLGenerTest):
	protoField = MS(inputdef.InputKey, name="foo", type="vexpr-date")
	samples = [
		("2001-05-12", "foo BETWEEN %(foo0)s AND %(foo1)s", {
				"foo0": datetime.datetime(2001, 5, 12),
				"foo1": datetime.datetime(2001, 5, 12, 23, 59, 59)}),
		("2001-05-12T12:33:14", "foo = %(foo0)s", {
				"foo0": datetime.datetime(2001, 5, 12, 12, 33, 14)}),
		("> 2001-05-12", "foo > %(foo0)s",
			{"foo0": datetime.datetime(2001, 5, 12, 23, 59, 59)}),
		("< 2001-05-12", "foo < %(foo0)s",
			{"foo0": datetime.datetime(2001, 5, 12, 0, 0, 0)}),
		("< 2001-05-12T14:21:12", "foo < %(foo0)s",
			{"foo0": datetime.datetime(2001, 5, 12, 14, 21, 12)}),
#5
		("2001-05-12 +/- 2.5", 'foo BETWEEN %(foo0)s AND %(foo1)s', {
			"foo0": datetime.datetime(2001, 5, 9, 12, 0, 0),
			"foo1": datetime.datetime(2001, 5, 14, 12, 0, 0)}),
		("2001-05-12,2001-05-12T14:21:12",
			'(foo BETWEEN %(foo0)s AND %(foo1)s) OR (foo = %(foo2)s)', {
				"foo0": datetime.datetime(2001, 5, 12),
				"foo1": datetime.datetime(2001, 5, 12, 23, 59, 59),
				"foo2": datetime.datetime(2001, 5, 12, 14, 21, 12)}),
		("! 2001-06-07",
			'NOT (foo BETWEEN %(foo0)s AND %(foo1)s)', {
			'foo0': datetime.datetime(2001, 6, 7, 0, 0),
			'foo1': datetime.datetime(2001, 6, 7, 23, 59, 59)}),
		("! 2001-06-07 & >2011-10-20T14:33:10",
			'(NOT (foo BETWEEN %(foo0)s AND %(foo1)s)) AND (foo > %(foo2)s)', {
				'foo0': datetime.datetime(2001, 6, 7, 0, 0),
				'foo1': datetime.datetime(2001, 6, 7, 23, 59, 59),
				'foo2': datetime.datetime(2011, 10, 20, 14, 33, 10)}),
		("1980.233", 'foo = %(foo0)s',
			{'foo0': datetime.datetime(1980, 3, 26, 14, 28, 41)}),
#10
		("54221.5", 'foo = %(foo0)s',
			{'foo0': datetime.datetime(2007, 5, 1, 12, 0)}),
		("54221", 'foo BETWEEN %(foo0)s AND %(foo1)s',
			{'foo0': datetime.datetime(2007, 5, 1, 0, 0),
				'foo1': datetime.datetime(2007, 5, 1, 23, 59, 59)}),
		("2454222.0", 'foo = %(foo0)s',
			{'foo0': datetime.datetime(2007, 5, 1, 12, 0)}),
		("2454221.5", 'foo BETWEEN %(foo0)s AND %(foo1)s',
			{'foo0': datetime.datetime(2007, 5, 1, 0, 0),
				'foo1': datetime.datetime(2007, 5, 1, 23, 59, 59)}),
		("1980.233 +/- 1", 'foo BETWEEN %(foo0)s AND %(foo1)s', {
			'foo0': datetime.datetime(1980, 3, 25, 14, 28, 41),
			'foo1': datetime.datetime(1980, 3, 27, 14, 28, 41)}),
#15
		("2001-05-12T12:33:14.625", "foo = %(foo0)s", {
				"foo0": datetime.datetime(2001, 5, 12, 12, 33, 14, 625000)}),
		]


class MJDSQLGenerTest(_SQLGenerTest):
	protoField = MS(inputdef.InputKey, name="foo", type="vexpr-mjd")
	samples = [
		("2001-05-12", "foo BETWEEN %(foo0)s AND %(foo1)s", {
			'foo0': 52041.0, 'foo1': 52041.99998842599}),
		("2001-05-12T12:00:00", "foo = %(foo0)s", {
				"foo0": 52041.5}),
		("> 2001-05-12", "foo > %(foo0)s",
			{"foo0": 52041.99998842599}),
		("< 2001-05-12", "foo < %(foo0)s",
			{"foo0": 52041.0}),
		("< 2001-05-12T18:00:00", "foo < %(foo0)s",
			{"foo0": 52041.75}),
		("2001-05-12 +/- 2.5", 'foo BETWEEN %(foo0)s AND %(foo1)s', {
			'foo0': 52038.5, 'foo1': 52043.5}),
		("2001-05-12,2001-05-12T12:00:00",
			'(foo BETWEEN %(foo0)s AND %(foo1)s) OR (foo = %(foo2)s)', {
				'foo0': 52041.0,
				'foo1': 52041.99998842599,
				'foo2': 52041.5}),
		("! 2001-06-07",
			'NOT (foo BETWEEN %(foo0)s AND %(foo1)s)', {
			'foo0': 52067.0,
			'foo1': 52067.99998842599}),
		("! 2001-06-07 & >2011-10-20T06:00:00",
			'(NOT (foo BETWEEN %(foo0)s AND %(foo1)s)) AND (foo > %(foo2)s)', {
				'foo0': 52067.0,
				'foo1': 52067.99998842599,
				'foo2': 55854.25}),]


class NULLSQLGenerTest(_SQLGenerTest):
	protoField = MS(inputdef.InputKey, name="foo", type="vexpr-float")
	samples = [
		(None, None, {})]


class PatternsSQLGenerTest(_SQLGenerTest):
	protoField = MS(inputdef.InputKey, name="foo", type="vexpr-string")
	samples = [
		("~star", "foo ~* %(foo0)s", {"foo0": "^star$"}),
		("~sta?", "foo ~* %(foo0)s", {"foo0": "^sta.$"}),
		("~s*ta?", "foo ~* %(foo0)s", {"foo0": "^s.*ta.$"}),
		("=s*ta?", "foo ~ %(foo0)s", {"foo0": "^s.*ta.$"}),
		("~a+b*", "foo ~* %(foo0)s", {"foo0": r"^a\+b.*$"}),
# 5
		(r"!a+b\*", "foo !~ %(foo0)s", {"foo0": r"^a\+b\\.*$"}),
		("!~[a-z]", "foo !~* %(foo0)s", {"foo0": r"^[a-z]$"}),
		("!~[a-z]", "foo !~* %(foo0)s", {"foo0": r"^[a-z]$"}),
		("=| a,b,a|b", "foo IN (%(foo0)s, %(foo1)s)",
			{'foo0': 'a,b,a', 'foo1': 'b'}),
	]


class FloatIntervalGenerTest(testhelpers.VerboseTest,
		metaclass=testhelpers.SamplesBasedAutoTest):

	def _runTest(self, sample):
		min_f = base.makeStruct(svcs.InputKey, name="min_f")
		max_f = base.makeStruct(svcs.InputKey, name="max_f")

		inValue, expectedSQL, expectedPars = sample
		foundPars = {}
		tree = vizierexprs.parseNumericExpr(inValue)
		foundExpr = vizierexprs.NumericIntervalFlattener(
			).getSQLFor(tree, (min_f, max_f), foundPars)

		self.assertEqual(foundExpr, expectedSQL)
		if expectedPars is not None:
			self.assertEqual(foundPars, expectedPars)

	samples = [
		("8", '%(min_f0)s BETWEEN min_f AND max_f', {"min_f0": 8.0}),
		("=8", '%(min_f0)s BETWEEN min_f AND max_f', {"min_f0": 8.0}),
		("!=8", 'NOT (%(min_f0)s BETWEEN min_f AND max_f)', {"min_f0": 8.0}),
		("< 8", "max_f < %(max_f0)s", {"max_f0": 8.0}),
		("<= 8", "min_f < %(min_f0)s", {"min_f0": 8.0}),
# 05
		("> 8", "min_f > %(min_f0)s", {"min_f0": 8.0}),
		(">= 8", "max_f > %(max_f0)s", {"max_f0": 8.0}),
		("8 .. 10",
			'max_f>=%(min_f0)s AND %(max_f0)s>=min_f'
			' AND min_f<=max_f AND %(min_f0)s<=%(max_f0)s',
			{"min_f0": 8.0, "max_f0": 10.0}),
		("= 8 | > 15", "(%(min_f0)s BETWEEN min_f AND max_f)"
			" OR (min_f > %(min_f1)s)",
			{"min_f0": 8.0, "min_f1": 15.}),
		("= 8 | > 15 | <=-2",
			"(%(min_f0)s BETWEEN min_f AND max_f)"
			" OR ((min_f > %(min_f1)s)"
			" OR (min_f < %(min_f2)s))",
			{"min_f0": 8.0, "min_f1": 15.0, "min_f2": -2}),
# 10
		("8, 9, 10",
			"(%(min_f0)s BETWEEN min_f AND max_f)"
			" OR (%(min_f1)s BETWEEN min_f AND max_f)"
			" OR (%(min_f2)s BETWEEN min_f AND max_f)",
			{"min_f0": 8.0, "min_f1": 9.0, "min_f2": 10.0}),
		("8 +/- 2", "max_f>=%(min_f0)s AND %(max_f0)s>=min_f"
			" AND min_f<=max_f AND %(min_f0)s<=%(max_f0)s",
			{"min_f0": 6.0, "max_f0": 10.0}),
	]


class DateIntervalGenerTest(testhelpers.VerboseTest,
		metaclass=testhelpers.SamplesBasedAutoTest):

	def _runTest(self, sample):
		min_f = base.makeStruct(svcs.InputKey, name="min_f")
		max_f = base.makeStruct(svcs.InputKey, name="max_f")

		inValue, expectedSQL, expectedPars = sample
		foundPars = {}
		tree = vizierexprs.parseDateExprToMJD(inValue)
		foundExpr = vizierexprs.NumericIntervalFlattener(
			).getSQLFor(tree, (min_f, max_f), foundPars)

		self.assertEqual(foundExpr, expectedSQL)
		if expectedPars is not None:
			self.assertEqual(foundPars, expectedPars)

	samples = [
		("2015-11-13", '%(min_f0)s BETWEEN min_f AND max_f',
			{"min_f0": 57339.0}),
		("= 2015-11-13", '%(min_f0)s BETWEEN min_f AND max_f',
			{"min_f0": 57339.0}),
		("!=2015-11-13", 'NOT (%(min_f0)s BETWEEN min_f AND max_f)',
			{"min_f0": 57339.0}),
		("< 57339", "max_f < %(max_f0)s",
			{"max_f0": 57339.0}),
		("<= 2015-11-13T12:00:00", "min_f < %(min_f0)s",
			{"min_f0": 57339.5}),
# 05
		("> 2015-11-13", "min_f > %(min_f0)s",
			{"min_f0": 57339.0}),
		(">= 2015-11-13", "max_f > %(max_f0)s",
			{"max_f0": 57339.0}),
		("2015-11-13 .. 2015-12-13",
			'max_f>=%(min_f0)s AND %(max_f0)s>=min_f'
			' AND min_f<=max_f AND %(min_f0)s<=%(max_f0)s',
			{"min_f0": 57339.0, "max_f0": 57369.0}),
		("= 2015-11-13 | > 2015-12-13", "(%(min_f0)s BETWEEN min_f AND max_f)"
			" OR (min_f > %(min_f1)s)",
			{"min_f0": 57339.0, "min_f1": 57369.0}),
		("2015-11-13, 2015-11-14, 2015-11-15",
			"(%(min_f0)s BETWEEN min_f AND max_f)"
			" OR (%(min_f1)s BETWEEN min_f AND max_f)"
			" OR (%(min_f2)s BETWEEN min_f AND max_f)",
			{"min_f0": 57339.0, "min_f1": 57340.0, "min_f2": 57341.0}),
		("2015-11-13 +/- 2", "max_f>=%(min_f0)s AND %(max_f0)s>=min_f"
			" AND min_f<=max_f AND %(min_f0)s<=%(max_f0)s",
			{"min_f0": 57337.0, "max_f0": 57341.0}),
	]


class _ViztestTable(tresc.RDDataResource):
	dataId = "viziertest"


_viztestTable = _ViztestTable()


class StringQueryTest(testhelpers.VerboseTest,
		metaclass=testhelpers.SamplesBasedAutoTest):
	"""Tests for string vizier-expressions in a database.
	"""

	resources = [("testTable", _viztestTable)]
	ik = base.makeStruct(inputdef.InputKey, name="s", type="vexpr-string")

	samples = [
#0
			("a", 1),
			("== a", 1),
			("!= a", 10),
			("== ", 1),
			("<a", 6),
#5
			("<A", 1),
			("<=A", 2),
			("<=b", 10),
			("<b", 10),
			(">b", 1),
#10
			(r"== \it", 1),
			("== B*", 1),
			("=~ a", 2),
			("=~ x33+4", 1),
			("=, a,b,a|b", 2),
#15
			("=| a,b,a|b", 0),
			("=| a,b|b", 1),
			("= a", 1),
			("~ a", 2),
			("~ a", 2),
#20
			("~ X*", 1),
			("~ a*", 5),
			("=*a*", 6),
			("~*+*", 1),
			("~*|*", 1),
#25
			(r"~\*", 1),
			(r"!\*", 10),
			("~B*", 3),
			("= B*", 2),
			("~B?", 1),
#30
			("!B?", 10),
			("! *a*", 5),
			("!~*a*", 4),
		]

	def _runTest(self, sample):
		expr, numberExpected = sample
		pars = {}
		query = "SELECT * FROM {} WHERE {}".format(
			self.testTable.tableDef.getQName(),
			base.getSQLForField(self.ik, {"s": expr}, pars))

		res = list(self.testTable.connection.query(query, pars))
		self.assertEqual(len(res), numberExpected,
			"Query %s from %r with parameters %s didn't yield exactly"
				" %d result(s).\nResult is %s."%(
				query, expr, pars, numberExpected, res))

# This matrix is used in the docs for vizier expressions (help_vizier.shtml).
# If you amend it, please update it there as well.
# To turn this into an HTML table, use something like this mess:
# sed -e 's/</\&lt;/g;s/>/\&gt;/g;s/(/<tr><td>/;s/),/<\/td><\/tr>/;s/None//;s/"//g;s/ T/ X/g;s/ F/ \&nbsp;/g;s/,  */<\/td><td>/g'
T, F = True, False
_MATCH_MATRIX = [
		(None,      "M4e", "M4ep", "m4e", "A4p", "O4p", "M*", "m|a", "x,a", "=x"),
		("M4e",     T,     F,      F,     F,     F,     F,    F,     F,     F),
		("=x",      F,     F,      F,     F,     F,     F,    F,     F,     F),
		("== =x",   F,     F,      F,     F,     F,     F,    F,     F,     T),
		("!= =x",   T,     T,      T,     T,     T,     T,    T,     T,     F),
		("==M4e",   T,     F,      F,     F,     F,     F,    F,     F,     F),
		("=~m4e",   T,     F,      T,     F,     F,     F,    F,     F,     F),
		("=~m4",    F,     F,      F,     F,     F,     F,    F,     F,     F),
		("~*",      T,     T,      T,     T,     T,     T,    T,     T,     T),
		("~m*",     T,     T,      T,     F,     F,     T,    T,     F,     F),
		("M*",      F,     F,      F,     F,     F,     T,    F,     F,     F),
		("!~m*",    F,     F,      F,     T,     T,     F,    F,     T,     T),
		("~*p",     F,     T,      F,     T,     T,     F,    F,     F,     F),
		("!~*p",    T,     F,      T,     F,     F,     T,    T,     T,     T),
		("~?4p",    F,     F,      F,     T,     T,     F,    F,     F,     F),
		("~[MO]4[pe]", T,  F,      T,     F,     T,     F,    F,     F,     F),
		("=[MO]4[pe]", T,  F,      F,     F,     T,     F,    F,     F,     F),
		(">O",      F,     F,      T,     F,     T,     F,    T,     T,     F),
		(">O5",     F,     F,      T,     F,     F,     F,    T,     T,     F),
		(">=m",     F,     F,      T,     F,     F,     F,    T,     T,     F),
		("<M",      F,     F,      F,     T,     F,     F,    F,     F,     T),
		("=|M4e| O4p| x,a", T, F,  F,     F,     T,     F,    F,     T,     F),
		("=,x,a,=x,m|a", F, F,     F,     F,     F,     F,    T,     F,     T),
	]


class _VizTable(testhelpers.TestResource):
	resources = [("conn", tresc.dbConnection)]

	setUpCost = 4

	def make(self, deps):
		self.conn = deps["conn"]
		dd = testhelpers.getTestRD().getById("viziertest")
		data = rsc.makeData(dd, forceSource="$".join(_MATCH_MATRIX[0][1:]),
			connection=self.conn)
		return data.getPrimaryTable()

	def clean(self, ignored):
		self.conn.rollback()


class MatchMatrixTest(testhelpers.VerboseTest):
	resources = [("testtable", _VizTable())]

	queryKey = MS(inputdef.InputKey, name="s", type="vexpr-string")

	def _computeTest(self, testLine):
		pars = {}
		query = "SELECT s FROM %s WHERE %s"%(self.testtable.tableDef.getQName(),
			base.getSQLForField(self.queryKey, {"s": testLine[0]}, pars))
		expectation = set([item for item, res in
			zip(_MATCH_MATRIX[0][1:], testLine[1:]) if res])
		return expectation, query, pars

	def runTest(self):
		for test in _MATCH_MATRIX[1:]:
			expectation, query, pars = self._computeTest(test)
			res = set([r[0] for r in self.testtable.connection.query(query, pars)])
			self.assertEqual(expectation, res,
				"Query for %s returned wrong set.\n"
				"Got %s, expected %s."%(
					test[0], res, expectation))


class AdaptionTest(testhelpers.VerboseTest):
	def testDisplayUnit(self):
		ik = base.parseFromString(inputdef.InputKey, """
			<inputKey name="foo" unit="m" displayHint="displayUnit=km">
			<values min="23000"/></inputKey>""")
		ad = vizierexprs.adaptInputKey(ik)
		self.assertEqual(ad.getProperty("placeholder"), "> 23.0")

	def testMJD(self):
		ik = base.parseFromString(inputdef.InputKey, """
			<inputKey name="mjdobs" unit="d" xtype="mjd">
			<values min="40000" max="40010"/></inputKey>""")
		ad = vizierexprs.adaptInputKey(ik)
		self.assertEqual(ad.getProperty("placeholder"),
			'1968-05-24T00:00:00Z .. 1968-06-03T00:00:00Z')

if __name__=="__main__":
	testhelpers.main(GoodSyntaxTest)