public void TestRead_ValuesAfterEndOfFile_Throws()
{
string text = "a,b,c";
SeparatedValueParser parser = new SeparatedValueParser(new MemoryStream(Encoding.Default.GetBytes(text)));
bool canRead = parser.Read();
Assert.IsTrue(canRead, "Could not read the record.");
canRead = parser.Read();
Assert.IsFalse(canRead, "We should have reached the end of the file.");
parser.GetValues();
}
public void TestRead_SingleRecord_ReturnsTrueOnce()
{
const string text = "a,b,c";
SeparatedValueParser parser = new SeparatedValueParser(new MemoryStream(Encoding.Default.GetBytes(text)));
bool canRead = parser.Read();
Assert.IsTrue(canRead, "Could not read the record.");
string[] expected = new string[] { "a", "b", "c" };
object[] actual = parser.GetValues();
CollectionAssert.AreEqual(expected, actual, "The wrong values were parsed.");
canRead = parser.Read();
Assert.IsFalse(canRead, "No more records should have been read.");
}
public void TestGetSchema_FirstRecordSchema_WrongNumberOfColumns_Throws()
{
const string text = @"id,name,created
123,Bob,1/19/2013,Hello";
SeparatedValueParserOptions options = new SeparatedValueParserOptions()
{
IsFirstRecordSchema = true
};
SeparatedValueParser parser = new SeparatedValueParser(new MemoryStream(Encoding.Default.GetBytes(text)), options);
parser.Read();
}
public void TestGetSchema_SchemaProvided_WrongNumberOfColumns_Throws()
{
const string text = @"123,Bob";
Schema schema = new Schema();
schema.AddColumn(new Int32Column("id"))
.AddColumn(new StringColumn("name"))
.AddColumn(new DateTimeColumn("created"));
SeparatedValueParser parser = new SeparatedValueParser(new MemoryStream(Encoding.Default.GetBytes(text)), schema);
parser.Read();
}
public void TestRead_MultipleCallsToValues_ReturnsSameValues()
{
string text = "a,b,c";
SeparatedValueParser parser = new SeparatedValueParser(new MemoryStream(Encoding.Default.GetBytes(text)));
bool canRead = parser.Read();
Assert.IsTrue(canRead, "Could not read the record.");
string[] expected = new string[] { "a", "b", "c" };
object[] actual = parser.GetValues();
CollectionAssert.AreEqual(expected, actual, "The wrong values were parsed.");
actual = parser.GetValues();
CollectionAssert.AreEqual(expected, actual, "The same values were not returned multiple times.");
}
public void TestGetSchema_SchemaProvided_ParsesValues()
{
const string text = @"123,Bob,1/19/2013";
Schema schema = new Schema();
schema.AddColumn(new Int32Column("id"))
.AddColumn(new StringColumn("name"))
.AddColumn(new DateTimeColumn("created"));
SeparatedValueParser parser = new SeparatedValueParser(new MemoryStream(Encoding.Default.GetBytes(text)), schema);
Assert.IsTrue(parser.Read(), "The first record was skipped.");
object[] actual = parser.GetValues();
object[] expected = new object[] { 123, "Bob", new DateTime(2013, 1, 19) };
CollectionAssert.AreEqual(expected, actual, "The values were not parsed as expected.");
}
public void TestGetSchema_SchemaProvided_FirstRecordSchema_SkipsFirstRecord()
{
const string text = @"id,name,created";
Schema schema = new Schema();
schema.AddColumn(new Int32Column("id"))
.AddColumn(new StringColumn("name"))
.AddColumn(new DateTimeColumn("created"));
SeparatedValueParserOptions options = new SeparatedValueParserOptions()
{
IsFirstRecordSchema = true
};
IParser parser = new SeparatedValueParser(new MemoryStream(Encoding.Default.GetBytes(text)), schema, options);
Schema actual = parser.GetSchema();
Assert.AreSame(schema, actual, "The schema was passed did not take priority.");
Assert.IsFalse(parser.Read(), "The schema record was not skipped.");
}
public void TestRead_SingleRecord_ReturnsTrueOnce()
{
const string text = "a,b,c";
SeparatedValueParser parser = new SeparatedValueParser(new MemoryStream(Encoding.Default.GetBytes(text)));
bool canRead = parser.Read();
Assert.IsTrue(canRead, "Could not read the record.");
string[] expected = new string[] { "a", "b", "c" };
object[] actual = parser.GetValues();
CollectionAssert.AreEqual(expected, actual, "The wrong values were parsed.");
canRead = parser.Read();
Assert.IsFalse(canRead, "No more records should have been read.");
}
public void TestRead_ValuesAfterEndOfFile_Throws()
{
string text = "a,b,c";
SeparatedValueParser parser = new SeparatedValueParser(new MemoryStream(Encoding.Default.GetBytes(text)));
bool canRead = parser.Read();
Assert.IsTrue(canRead, "Could not read the record.");
canRead = parser.Read();
Assert.IsFalse(canRead, "We should have reached the end of the file.");
parser.GetValues();
}
public void TestRead_MultipleCallsToValues_ReturnsSameValues()
{
string text = "a,b,c";
SeparatedValueParser parser = new SeparatedValueParser(new MemoryStream(Encoding.Default.GetBytes(text)));
bool canRead = parser.Read();
Assert.IsTrue(canRead, "Could not read the record.");
string[] expected = new string[] { "a", "b", "c" };
object[] actual = parser.GetValues();
CollectionAssert.AreEqual(expected, actual, "The wrong values were parsed.");
actual = parser.GetValues();
CollectionAssert.AreEqual(expected, actual, "The same values were not returned multiple times.");
}
public void TestGetSchema_SchemaProvided_WrongNumberOfColumns_Throws()
{
const string text = @"123,Bob";
Schema schema = new Schema();
schema.AddColumn(new Int32Column("id"))
.AddColumn(new StringColumn("name"))
.AddColumn(new DateTimeColumn("created"));
SeparatedValueParser parser = new SeparatedValueParser(new MemoryStream(Encoding.Default.GetBytes(text)), schema);
parser.Read();
}
public void TestGetSchema_SchemaProvided_ParsesValues()
{
const string text = @"123,Bob,1/19/2013";
Schema schema = new Schema();
schema.AddColumn(new Int32Column("id"))
.AddColumn(new StringColumn("name"))
.AddColumn(new DateTimeColumn("created"));
SeparatedValueParser parser = new SeparatedValueParser(new MemoryStream(Encoding.Default.GetBytes(text)), schema);
Assert.IsTrue(parser.Read(), "The first record was skipped.");
object[] actual = parser.GetValues();
object[] expected = new object[] { 123, "Bob", new DateTime(2013, 1, 19) };
CollectionAssert.AreEqual(expected, actual, "The values were not parsed as expected.");
}
public void TestGetSchema_SchemaProvided_FirstRecordSchema_SkipsFirstRecord()
{
const string text = @"id,name,created";
Schema schema = new Schema();
schema.AddColumn(new Int32Column("id"))
.AddColumn(new StringColumn("name"))
.AddColumn(new DateTimeColumn("created"));
SeparatedValueParserOptions options = new SeparatedValueParserOptions() { IsFirstRecordSchema = true };
IParser parser = new SeparatedValueParser(new MemoryStream(Encoding.Default.GetBytes(text)), schema, options);
Schema actual = parser.GetSchema();
Assert.AreSame(schema, actual, "The schema was passed did not take priority.");
Assert.IsFalse(parser.Read(), "The schema record was not skipped.");
}
public void TestGetSchema_FirstRecordSchema_WrongNumberOfColumns_Throws()
{
const string text = @"id,name,created
123,Bob,1/19/2013,Hello";
SeparatedValueParserOptions options = new SeparatedValueParserOptions() { IsFirstRecordSchema = true };
SeparatedValueParser parser = new SeparatedValueParser(new MemoryStream(Encoding.Default.GetBytes(text)), options);
parser.Read();
}