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import unittest
import streams
import sequtils
import nimrec
suite "parsing":
test "basics":
const data = """
Name: John Doe
Age: 34
Name: Jane Doe
Age: 32
"""
var ss = newStringStream(data)
var records = toSeq(records(ss))
check(len(records) == 2)
check(len(records[0]) == 2)
check(len(records[1]) == 2)
check(records[0]["Name"] == "John Doe")
check(records[0]["Age"] == "34")
check(records[1]["Name"] == "Jane Doe")
check(records[1]["Age"] == "32")
test "comments":
const data = """
# This is a comment
Name: John Doe
Age: 34
# A comment between records
# With multiple lines!
Name: Jane Doe
# A comment between fields
Age: 32
"""
let ss = newStringStream(data)
let records = toSeq(records(ss))
check(len(records) == 2)
check(records[0]["Name"] == "John Doe")
check(records[0]["Age"] == "34")
check(records[1]["Name"] == "Jane Doe")
check(records[1]["Age"] == "32")
test "only initial whitespace skipped from values":
const data = """
Name: John Doe
Age: 34
Name: Jane Doe
Age: 32
"""
let ss = newStringStream(data)
let records = toSeq(records(ss))
check(len(records) == 2)
check(records[0]["Name"] == " John Doe")
check(records[0]["Age"] == " 34")
check(records[1]["Name"] == "Jane Doe")
check(records[1]["Age"] == "\t32")
test "trailing whitespace included in values":
const data =
"Name: John Doe \l" &
"Age: 34\t\l"
let ss = newStringStream(data)
let records = toSeq(records(ss))
check(len(records) == 1)
check(records[0]["Name"] == "John Doe ")
check(records[0]["Age"] == "34\t")
test "records with single field":
const data = """
Name: John Doe
Name: Jane Doe
Name: Foobar!
"""
let ss = newStringStream(data)
let records = toSeq(records(ss))
check(len(records) == 3)
check(len(records[0]) == 1)
check(records[0]["Name"] == "John Doe")
check(len(records[1]) == 1)
check(records[1]["Name"] == "Jane Doe")
check(len(records[2]) == 1)
check(records[2]["Name"] == "Foobar!")
test "parse error if colon missing":
let ss = newStringStream("Name\nAge: 34\n")
expect(RecParseError):
discard toSeq(records(ss))
test "parse error if invalid label":
let ss = newStringStream("Name: John Doe\nFoo-bar: 111")
expect(RecParseError):
discard toSeq(records(ss))
test "label can start with %":
let ss = newStringStream("%rec: Entry\n")
let records = toSeq(records(ss))
check(len(records) == 1)
check(len(records[0]) == 1)
let fields = toSeq(items(records[0]))
check(fields[0].label == "%rec")
check(fields[0].value == "Entry")
test "field must be terminated by newline":
let ss = newStringStream("%rec: Entry\n%type: Id int")
expect(RecParseError):
discard toSeq(records(ss))
test "multiple fields with same label":
const data = """
Name: John Doe
Age: 34
Email: john@doe.me
Email: john.doe@foobar.com
Name: Jane Doe
Age: 32
Email: jane@doe.me
"""
var ss = newStringStream(data)
var emails: seq[string] = @[]
for record in records(ss):
for label, value in record:
if label == "Email":
add(emails, value)
check(len(emails) == 3)
check(emails[0] == "john@doe.me")
check(emails[1] == "john.doe@foobar.com")
check(emails[2] == "jane@doe.me")
suite "misc":
test "record items iterator":
const data = """
Name: John Doe
Age: 34
Name: Jane Doe
Age: 32
"""
var ss = newStringStream(data)
var fields: seq[Field] = @[]
for record in records(ss):
for field in record:
add(fields, field)
check(len(fields) == 4)
check(fields[0].label == "Name")
check(fields[0].value == "John Doe")
check(fields[1].label == "Age")
check(fields[1].value == "34")
check(fields[2].label == "Name")
check(fields[2].value == "Jane Doe")
check(fields[3].label == "Age")
check(fields[3].value == "32")
test "record pairs iterator":
const data = """
Name: John Doe
Age: 34
Name: Jane Doe
Age: 32
"""
var ss = newStringStream(data)
var results: seq[string] = @[]
for record in records(ss):
for label, value in record:
add(results, label)
add(results, value)
check(len(results) == 8)
check(results[0] == "Name")
check(results[1] == "John Doe")
check(results[2] == "Age")
check(results[3] == "34")
check(results[4] == "Name")
check(results[5] == "Jane Doe")
check(results[6] == "Age")
check(results[7] == "32")
test "hasField":
const data = """
Name: John Doe
Age: 34
Name: Jane Doe
Age: 32
Email: jane@doe.me
"""
var ss = newStringStream(data)
var records = toSeq(records(ss))
check(len(records) == 2)
check(not hasField(records[0], "Email"))
check(hasField(records[1], "Email"))
test "contains":
const data = """
Name: John Doe
Age: 34
Name: Jane Doe
Age: 32
Email: jane@doe.me
"""
var ss = newStringStream(data)
var records = toSeq(records(ss))
check(len(records) == 2)
check("Email" notin records[0])
check("Email" in records[1])
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