thodg/libgit2/tests/apply/fromdiff.c

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• Hash : ecf4f33a
  Author :
  Date : 2018-02-08T11:14:48
  

  Convert usage of `git_buf_free` to new `git_buf_dispose`

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• tests/apply/fromdiff.c

• #include "clar_libgit2.h"
  #include "git2/sys/repository.h"
  
  #include "apply.h"
  #include "repository.h"
  #include "buf_text.h"
  
  #include "../patch/patch_common.h"
  
  static git_repository *repo = NULL;
  static git_diff_options binary_opts = GIT_DIFF_OPTIONS_INIT;
  
  void test_apply_fromdiff__initialize(void)
  {
  	repo = cl_git_sandbox_init("renames");
  
  	binary_opts.flags |= GIT_DIFF_SHOW_BINARY;
  }
  
  void test_apply_fromdiff__cleanup(void)
  {
  	cl_git_sandbox_cleanup();
  }
  
  static int apply_gitbuf(
  	const git_buf *old,
  	const char *oldname,
  	const git_buf *new,
  	const char *newname,
  	const char *patch_expected,
  	const git_diff_options *diff_opts)
  {
  	git_patch *patch;
  	git_buf result = GIT_BUF_INIT;
  	git_buf patchbuf = GIT_BUF_INIT;
  	char *filename;
  	unsigned int mode;
  	int error;
  
  	cl_git_pass(git_patch_from_buffers(&patch,
  		old ? old->ptr : NULL, old ? old->size : 0,
  		oldname,
  		new ? new->ptr : NULL, new ? new->size : 0,
  		newname,
  		diff_opts));
  
  	if (patch_expected) {
  		cl_git_pass(git_patch_to_buf(&patchbuf, patch));
  		cl_assert_equal_s(patch_expected, patchbuf.ptr);
  	}
  
  	error = git_apply__patch(&result, &filename, &mode, old ? old->ptr : NULL, old ? old->size : 0, patch);
  
  	if (error == 0 && new == NULL) {
  		cl_assert_equal_i(0, result.size);
  		cl_assert_equal_p(NULL, filename);
  		cl_assert_equal_i(0, mode);
  	}
  	else if (error == 0) {
  		cl_assert_equal_s(new->ptr, result.ptr);
  		cl_assert_equal_s(newname ? newname : oldname, filename);
  		cl_assert_equal_i(0100644, mode);
  	}
  
  	git__free(filename);
  	git_buf_dispose(&result);
  	git_buf_dispose(&patchbuf);
  	git_patch_free(patch);
  
  	return error;
  }
  
  static int apply_buf(
  	const char *old,
  	const char *oldname,
  	const char *new,
  	const char *newname,
  	const char *patch_expected,
  	const git_diff_options *diff_opts)
  {
  	git_buf o = GIT_BUF_INIT, n = GIT_BUF_INIT,
  		*optr = NULL, *nptr = NULL;
  
  	if (old) {
  		o.ptr = (char *)old;
  		o.size = strlen(old);
  		optr = &o;
  	}
  
  	if (new) {
  		n.ptr = (char *)new;
  		n.size = strlen(new);
  		nptr = &n;
  	}
  
  	return apply_gitbuf(optr, oldname, nptr, newname, patch_expected, diff_opts);
  }
  
  void test_apply_fromdiff__change_middle(void)
  {
  	cl_git_pass(apply_buf(
  		FILE_ORIGINAL, "file.txt",
  		FILE_CHANGE_MIDDLE, "file.txt",
  		PATCH_ORIGINAL_TO_CHANGE_MIDDLE, NULL));
  }
  
  void test_apply_fromdiff__change_middle_nocontext(void)
  {
  	git_diff_options diff_opts = GIT_DIFF_OPTIONS_INIT;
  	diff_opts.context_lines = 0;
  
  	cl_git_pass(apply_buf(
  		FILE_ORIGINAL, "file.txt",
  		FILE_CHANGE_MIDDLE, "file.txt",
  		PATCH_ORIGINAL_TO_CHANGE_MIDDLE_NOCONTEXT, &diff_opts));
  }
  
  void test_apply_fromdiff__change_firstline(void)
  {
  	cl_git_pass(apply_buf(
  		FILE_ORIGINAL, "file.txt",
  		FILE_CHANGE_FIRSTLINE, "file.txt",
  		PATCH_ORIGINAL_TO_CHANGE_FIRSTLINE, NULL));
  }
  
  void test_apply_fromdiff__lastline(void)
  {
  	cl_git_pass(apply_buf(
  		FILE_ORIGINAL, "file.txt",
  		FILE_CHANGE_LASTLINE, "file.txt",
  		PATCH_ORIGINAL_TO_CHANGE_LASTLINE, NULL));
  }
  
  void test_apply_fromdiff__prepend(void)
  {
  	cl_git_pass(apply_buf(
  		FILE_ORIGINAL, "file.txt",
  		FILE_PREPEND, "file.txt",
  		PATCH_ORIGINAL_TO_PREPEND, NULL));
  }
  
  void test_apply_fromdiff__prepend_nocontext(void)
  {
  	git_diff_options diff_opts = GIT_DIFF_OPTIONS_INIT;
  	diff_opts.context_lines = 0;
  
  	cl_git_pass(apply_buf(
  		FILE_ORIGINAL, "file.txt",
  		FILE_PREPEND, "file.txt",
  		PATCH_ORIGINAL_TO_PREPEND_NOCONTEXT, &diff_opts));
  }
  
  void test_apply_fromdiff__append(void)
  {
  	cl_git_pass(apply_buf(
  		FILE_ORIGINAL, "file.txt",
  		FILE_APPEND, "file.txt",
  		PATCH_ORIGINAL_TO_APPEND, NULL));
  }
  
  void test_apply_fromdiff__append_nocontext(void)
  {
  	git_diff_options diff_opts = GIT_DIFF_OPTIONS_INIT;
  	diff_opts.context_lines = 0;
  
  	cl_git_pass(apply_buf(
  		FILE_ORIGINAL, "file.txt",
  		FILE_APPEND, "file.txt",
  		PATCH_ORIGINAL_TO_APPEND_NOCONTEXT, &diff_opts));
  }
  
  void test_apply_fromdiff__prepend_and_append(void)
  {
  	cl_git_pass(apply_buf(
  		FILE_ORIGINAL, "file.txt",
  		FILE_PREPEND_AND_APPEND, "file.txt",
  		PATCH_ORIGINAL_TO_PREPEND_AND_APPEND, NULL));
  }
  
  void test_apply_fromdiff__to_empty_file(void)
  {
  	cl_git_pass(apply_buf(
  		FILE_ORIGINAL, "file.txt",
  		"", NULL,
  		PATCH_ORIGINAL_TO_EMPTY_FILE, NULL));
  }
  
  void test_apply_fromdiff__from_empty_file(void)
  {
  	cl_git_pass(apply_buf(
  		"", NULL,
  		FILE_ORIGINAL, "file.txt",
  		PATCH_EMPTY_FILE_TO_ORIGINAL, NULL));
  }
  
  void test_apply_fromdiff__add(void)
  {
  	cl_git_pass(apply_buf(
  		NULL, NULL,
  		FILE_ORIGINAL, "file.txt",
  		PATCH_ADD_ORIGINAL, NULL));
  }
  
  void test_apply_fromdiff__delete(void)
  {
  	cl_git_pass(apply_buf(
  		FILE_ORIGINAL, "file.txt",
  		NULL, NULL,
  		PATCH_DELETE_ORIGINAL, NULL));
  }
  
  void test_apply_fromdiff__no_change(void)
  {
  	cl_git_pass(apply_buf(
  		FILE_ORIGINAL, "file.txt",
  		FILE_ORIGINAL, "file.txt",
  		"", NULL));
  }
  
  void test_apply_fromdiff__binary_add(void)
  {
  	git_buf newfile = GIT_BUF_INIT;
  
  	newfile.ptr = FILE_BINARY_DELTA_MODIFIED;
  	newfile.size = FILE_BINARY_DELTA_MODIFIED_LEN;
  
  	cl_git_pass(apply_gitbuf(
  		NULL, NULL,
  		&newfile, "binary.bin",
  		NULL, &binary_opts));
  }
  
  void test_apply_fromdiff__binary_no_change(void)
  {
  	git_buf original = GIT_BUF_INIT;
  
  	original.ptr = FILE_BINARY_DELTA_ORIGINAL;
  	original.size = FILE_BINARY_DELTA_ORIGINAL_LEN;
  
  	cl_git_pass(apply_gitbuf(
  		&original, "binary.bin",
  		&original, "binary.bin",
  		"", &binary_opts));
  }
  
  void test_apply_fromdiff__binary_change_delta(void)
  {
  	git_buf original = GIT_BUF_INIT, modified = GIT_BUF_INIT;
  
  	original.ptr = FILE_BINARY_DELTA_ORIGINAL;
  	original.size = FILE_BINARY_DELTA_ORIGINAL_LEN;
  
  	modified.ptr = FILE_BINARY_DELTA_MODIFIED;
  	modified.size = FILE_BINARY_DELTA_MODIFIED_LEN;
  
  	cl_git_pass(apply_gitbuf(
  		&original, "binary.bin",
  		&modified, "binary.bin",
  		NULL, &binary_opts));
  }
  
  void test_apply_fromdiff__binary_change_literal(void)
  {
  	git_buf original = GIT_BUF_INIT, modified = GIT_BUF_INIT;
  
  	original.ptr = FILE_BINARY_LITERAL_ORIGINAL;
  	original.size = FILE_BINARY_LITERAL_ORIGINAL_LEN;
  
  	modified.ptr = FILE_BINARY_LITERAL_MODIFIED;
  	modified.size = FILE_BINARY_LITERAL_MODIFIED_LEN;
  
  	cl_git_pass(apply_gitbuf(
  		&original, "binary.bin",
  		&modified, "binary.bin",
  		NULL, &binary_opts));
  }
  
  void test_apply_fromdiff__binary_delete(void)
  {
  	git_buf original = GIT_BUF_INIT;
  
  	original.ptr = FILE_BINARY_DELTA_MODIFIED;
  	original.size = FILE_BINARY_DELTA_MODIFIED_LEN;
  
  	cl_git_pass(apply_gitbuf(
  		&original, "binary.bin",
  		NULL, NULL,
  		NULL, &binary_opts));
  }
  

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