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test: add integration tests for --delimiter, --tsv, and --header flags #73

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Merged
vmvarela merged 1 commit into from
Mar 20, 2026
Merged

test: add integration tests for --delimiter, --tsv, and --header flags #73

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48 changes: 48 additions & 0 deletions build.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -133,6 +133,54 @@ pub fn build(b: *std.Build) void {
test_sql_error.step.dependOn(b.getInstallStep());
test_step.dependOn(&test_sql_error.step);

// Integration test 8: --delimiter "|" reads pipe-separated input; output is always CSV
const test_delimiter_pipe = b.addSystemCommand(&.{
"bash", "-c",
\\printf 'name|age\nAlice|30\nBob|25\n' | ./zig-out/bin/sql-pipe --delimiter '|' 'SELECT name, age FROM t ORDER BY age' | diff - <(printf 'Bob,25\nAlice,30\n')
});
test_delimiter_pipe.step.dependOn(b.getInstallStep());
test_step.dependOn(&test_delimiter_pipe.step);

// Integration test 9: --delimiter "\t" reads tab-separated input
const test_delimiter_tab = b.addSystemCommand(&.{
"bash", "-c",
\\printf 'name\tage\nAlice\t30\nBob\t25\n' | ./zig-out/bin/sql-pipe --delimiter '\t' 'SELECT name, age FROM t ORDER BY age' | diff - <(printf 'Bob,25\nAlice,30\n')
});
test_delimiter_tab.step.dependOn(b.getInstallStep());
test_step.dependOn(&test_delimiter_tab.step);

// Integration test 10: --tsv is an alias for --delimiter "\t"
const test_tsv = b.addSystemCommand(&.{
"bash", "-c",
\\printf 'name\tage\nAlice\t30\nBob\t25\n' | ./zig-out/bin/sql-pipe --tsv 'SELECT name, age FROM t ORDER BY age' | diff - <(printf 'Bob,25\nAlice,30\n')
});
test_tsv.step.dependOn(b.getInstallStep());
test_step.dependOn(&test_tsv.step);

// Integration test 11: --header includes column names as the first output row
const test_header = b.addSystemCommand(&.{
"bash", "-c",
\\printf 'name,age\nAlice,30\nBob,25\n' | ./zig-out/bin/sql-pipe --header 'SELECT name, age FROM t ORDER BY age' | diff - <(printf 'name,age\nBob,25\nAlice,30\n')
});
test_header.step.dependOn(b.getInstallStep());
test_step.dependOn(&test_header.step);

// Integration test 12: --header combined with --delimiter (pipe-separated input, CSV output with header)
const test_header_delimiter = b.addSystemCommand(&.{
"bash", "-c",
\\printf 'name|age\nAlice|30\nBob|25\n' | ./zig-out/bin/sql-pipe --header --delimiter '|' 'SELECT name, age FROM t ORDER BY age' | diff - <(printf 'name,age\nBob,25\nAlice,30\n')
});
test_header_delimiter.step.dependOn(b.getInstallStep());
test_step.dependOn(&test_header_delimiter.step);

// Integration test 13: default behavior (no flags) produces CSV without header
const test_default_no_header = b.addSystemCommand(&.{
"bash", "-c",
\\printf 'name,age\nAlice,30\nBob,25\n' | ./zig-out/bin/sql-pipe 'SELECT name, age FROM t ORDER BY name' | diff - <(printf 'Alice,30\nBob,25\n')
});
test_default_no_header.step.dependOn(b.getInstallStep());
test_step.dependOn(&test_default_no_header.step);

// Unit tests for the RFC 4180 CSV parser (src/csv.zig)
const unit_tests = b.addTest(.{
.root_module = b.createModule(.{
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